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LT1222 500MHz, 3nV/Hz, AV 10 Operational Amplifier
FEATURES

DESCRIPTIO
Gain-Bandwidth: 500MHz Gain of 10 Stable Uncompensated Slew Rate: 200V/s Input Noise Voltage: 3nV/Hz C-LoadTM Op Amp Drives Capacitive Loads External Compensation Pin Maximum Input Offset Voltage: 300V Maximum Input Bias Current: 300nA Maximum Input Offset Current: 300nA Minimum Output Swing Into 500: 12V Minimum DC Gain: 100V/mV, RL = 500 Settling Time to 0.1%: 75ns, 10V Step Settling Time to 0.01%: 120ns, 10V Step Differential Gain: 0.4%, AV = 2, RL = 150 Differential Phase: 0.1, AV = 2, RL = 150
The LT(R)1222 is a low noise, very high speed operational amplifier with superior DC performance. The LT1222 is stable in a noise gain of 10 or greater without compensation, or the part can be externally compensated for lower closed-loop gain at the expense of lower bandwidth and slew rate. It features reduced input offset voltage, lower input bias currents, lower noise and higher DC gain than devices with comparable bandwidth and slew rate. The circuit is a single gain stage that includes proprietary DC gain enhancement circuitry to obtain precision with high speed. The high gain and fast settling time make the circuit an ideal choice for data acquisition systems. The circuit is also capable of driving capacitive loads which makes it useful in buffer or cable driver applications. The compensation node can also be used to clamp the output swing. The LT1222 is a member of a family of fast, high performance amplifiers that employ Linear Technology Corporation's advanced complementary bipolar processing. For unity-gain stable applications the LT1220 can be used, and for gains of 4 or greater the LT1221 can be used.
LT, LTC and LTM are registered trademarks of Linear Technology Corporation. C-Load is a trademark of Linear Technology Corporation.
APPLICATIO S

Wideband Amplifiers Buffers Active Filters Video and RF Amplification Cable Drivers 8-, 10-, 12-Bit Data Acquisition Systems
TYPICAL APPLICATIO
AV = 10 with Output Clamping
15V 3k
AV = - 1, CC = 30pF Pulse Response
1N5711 3 5 6
1N5711
1N4148
0.1F
VIN
+ -
LT1222 2
VOUT 0.5V
909 100
LT1222 * TA01
RF = RG = 1k VS = 15V
VIN = 100mV f = 5MHz
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LT1222 * TA02
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LT1222 ABSOLUTE AXI U RATI GS (Note 1)
Operating Temperature Range LT1222C ........................................... - 40C TO 85C LT1222I ...............................................-40C to 85C LT1222M (OBSOLETE) ............... - 55C to 125C Maximum Junction Temperature (See Below) Plastic Package ............................................... 150C Ceramic Package (OBSOLETE) .................. 175C Storage Temperature Range ................ - 65C to 150C Lead Temperature (Soldering, 10 sec)................. 300C Total Supply Voltage (V + to V -) ............................. 36V Differential Input Voltage ........................................ 6V Input Voltage .......................................................... VS Output Short-Circuit Duration (Note 2) ........... Indefinite Specified Temperature Range LT1222C (Note 3) ................................... 0C to 70C LT1222I ...............................................-40C to 85C LT1222M (OBSOLETE) ............... - 55C to 125C
PACKAGE/ORDER I FOR ATIO
TOP VIEW NULL 8 NULL 1 -IN 2 +IN 3 7 V+ 6 VOUT 5 COMP 4
ORDER PART NUMBER SPECIAL ORDER CONSULT FACTORY
V- H PACKAGE 8-LEAD TO-5 METAL CAN TJMAX = 175C, JA = 150C/W
OBSOLETE PACKAGE
Consider the N8 or S8 Packages for Alternate Source
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS TA = 25C, VS = 15V, VCM = 0V, unless otherwise specified.
SYMBOL VOS IOS IB en in RIN CIN PARAMETER Input Offset Voltage Input Offset Current Input Bias Current Input Noise Voltage Input Noise Current Input Resistance Input Capacitance Input Voltage Range (Positive) Input Voltage Range (Negative) Common Mode Rejection Ratio Power Supply Rejection Ratio Large-Signal Voltage Gain Output Swing Output Current Slew Rate Full Power Bandwidth Gain-Bandwidth CONDITIONS (Note 4) MIN TYP 100 100 100 3 2 45 12 2 14 - 13 120 110 200 13 26 200 3.2 500 MAX 300 300 300 UNITS V nA nA nV/Hz pA/Hz M k pF V V dB dB V/mV V mA V/s MHz MHz
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f = 10kHz f = 10kHz VCM = 12V Differential
CMRR PSRR AVOL VOUT IOUT SR GBW
VCM = 12V VS = 5V to 15V VOUT = 10V, RL = 500 RL = 500 VOUT = 12V (Note 5) 10V Peak (Note 6) f = 1MHz
2
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WW
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TOP VIEW NULL 1 -IN 2 +IN 3 V- 4 8 7 6 5 NULL V+ VOUT COMP
S8 PACKAGE N8 PACKAGE 8-LEAD PLASTIC DIP 8-LEAD PLASTIC SOIC TJMAX = 150C, JA = 130C/W (N) TJMAX = 150C, JA = 190C/W (S) J8 PACKAGE 8-LEAD CERAMIC DIP
TJMAX = 175C, JA = 100C/W (J)
ORDER PART NUMBER LT1222CN8 LT1222CS8 LT1222IS8 S8 PART MARKING 1222 1222I ORDER PART NUMBER LT1222MJ8
Consider the N8 or S8 Packages for Alternate Source
OBSOLETE PACKAGE
20
12 100 98 100 12 24 150
- 12
LT1222
ELECTRICAL CHARACTERISTICS
SYMBOL tr, tf PARAMETER Rise Time, Fall Time Overshoot Propagation Delay Settling Time Differential Gain Differential Phase RO IS Output Resistance Supply Current
VS = 15V, TA = 25C, VCM = 0V, unless otherwise specified.
MIN TYP 2.4 43 5.2 75 120 0.40 0.15 0.10 0.01 0.1 8 MAX UNITS ns % ns ns ns % % DEG DEG mA
ts
CONDITIONS AV = 10, 10% to 90%, 0.1V AV = 10, 0.1V AV = 10, 50% VIN to 50% VOUT, 0.1V 10V Step, 0.1% 10V Step, 0.01% AV = 2, CC = 50pF, f = 3.58MHz, RL = 150 (Note 7) AV = 10, CC = 0pF, f = 3.58MHz, RL = 1k (Note 7) AV = 2, CC = 50pF, f = 3.58MHz, RL = 150 (Note 7) AV = 10, CC = 0pF, f = 3.58MHz, RL = 1k (Note 7) AV = 10, f = 1MHz
10.5
The denotes the specifications which apply over the temperature range 0C TA 70C, otherwise specifications are at TA = 25C. VS = 15V, VCM = 0V, unless otherwise specified.
SYMBOL VOS IOS IB CMRR PSRR AVOL VOUT IOUT SR IS PARAMETER Input Offset Voltage Input VOS Drift Input Offset Current Input Bias Current Common Mode Rejection Ratio Power Supply Rejection Ratio Large-Signal Voltage Gain Output Swing Output Current Slew Rate Supply Current CONDITIONS (Note 4) MIN

VCM = 12V VS = 5V to 15V VOUT = 10V, RL = 500 RL = 500 VOUT = 12V (Note 5)

100 98 100 12 24 150
TYP 100 5 100 100 120 110 200 13 26 200 8
MAX 600 400 400
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UNITS V V/C nA nA dB dB V/mV V mA V/s mA
The denotes the specifications which apply over the temperature range - 55C TA 125C for LT1222M, -40C TA 85C for LT1222I, otherwise specifications are at TA = 25C. VS = 15V, VCM = 0V, unless otherwise specified.
SYMBOL VOS IOS IB CMRR PSRR AVOL VOUT IOUT SR IS PARAMETER Input Offset Voltage Input VOS Drift Input Offset Current Input Bias Current Common Mode Rejection Ratio Power Supply Rejection Ratio Large-Signal Voltage Gain Output Swing Output Current Slew Rate Supply Current CONDITIONS (Note 4) MIN

VCM = 12V VS = 5V to 15V VOUT = 10V, RL = 500 RL = 500 RL = 1k VOUT = 10V VOUT = 12V (Note 5)

98 98 50 10 12 20 12 110
TYP 100 5 100 100 120 110 200 13 13 26 13 200 8
MAX 600 800 1000
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UNITS V V/C nA nA dB dB V/mV V V mA mA V/s mA
Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: A heat sink may be required when the output is shorted indefinitely. Note 3: The LT1222C is guaranteed to meet specified performance from 0C to 70C and is designed, characterized and expected to meet these extended temperature limits, but is not tested at -40C and 85C. The LT1222I is
guaranteed to meet the extended temperature limits. Note 4: Input offset voltage is pulse tested and is exclusive of warm-up drift. Note 5: Slew rate is measured between 10V on an output swing of 12V. Note 6: FPBW = SR/2VP. Note 7: Differential Gain and Phase are tested with five amps in series. Attenuators of 1/Gain are used as loads.
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LT1222 TYPICAL PERFORMANCE CHARACTERISTICS
Input Common Mode Range vs Supply Voltage
20 11 10 +VCM 10 -VCM 5
SUPPLY CURRENT (mA)
15
MAGNITUDE OF OUTPUT VOLATGE (V)
MAGNITUDE OF INPUT VOLTAGE (V)
TA = 25C VOS = 0.5mV
0 0 5 10 15 SUPPLY VOLTAGE (V) 20
Output Voltage Swing vs Resistive Load
30
OUTPUT VOLTAGE SWING (VP-P)
25 20 15 10 5 0
TA = 25C VOS = 30mV
INPUT BIAS CURRENT (nA)
OPEN-LOOP GAIN (dB)
15V SUPPLIES
5V SUPPLIES
10
100 1k LOAD RESISTANCE ()
Output Short-Circuit Current vs Temperature
50 OUTPUT SHORT-CIRCUIT CURRENT (mA) VS = 5V 45 40 35 30 25 20 - 50 - 25
INPUT VOLTAGE NOISE (nV/Hz)
POWER SUPPLY REJECTION RATIO (dB)
0 25 75 50 TEMPERATURE (C)
4
UW
LT1222 * TPC01
Supply Current vs Supply Voltage and Temperature
20
Output Voltage Swing vs Supply Voltage
TA = 25C RL = 500 VOS = 30mV 15 +VSW 10 - VSW 5
T = 125C 9 8 7 6 5 0 5 10 15 SUPPLY VOLTAGE (V) 20 T = 25C
T = - 55C
0 0 5 10 15 SUPPLY VOLTAGE (V) 20
LT1222 * TPC02
LT1222 * TPC03
Input Bias Current vs Input Common Mode Voltage
500 400 300 200 100 0 -100 - 200 - 300 -400 IB+ IB- VS = 15V TA = 25C
Open-Loop Gain vs Resistive Load
120 TA = 25C 110 VS = 15V 100 VS = 5V 90
80
10k
LT1222 * TPC04
-500 -15
0 5 -10 -5 10 INPUT COMMON MODE VOLTAGE (V)
15
70 10 100 1k LOAD RESISTANCE () 10k
LT1222 * TPC06
LT1222 * TPC05
Input Noise Spectral Density
1000 VS = 15V TA = 25C AV = 101 RS = 100k 100 in 10 100
INPUT CURRENT NOISE (pA/Hz)
120 100
Power Supply Rejection Ratio vs Frequency
VS = 15V TA = 25C +PSRR 80 -PSRR 60 40 20 0 100
10
1
en 1 10 100 1k 10k FREQUENCY (Hz) 0.1 100k
100
125
1k
10k 100k 1M FREQUENCY (Hz)
10M
100M
LT1222 * TPC07
LT1222 * TPC08
LT1222 * TPC09
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LT1222 TYPICAL PERFORMANCE CHARACTERISTICS
Common Mode Rejection Ratio vs Frequency
120
COMMON MODE REJECTION RATIO (dB)
10
100 80 60 40 20 0 1k 10k 1M 100k FREQUENCY (Hz)
VS = 15V TA = 25C
OUTPUT SWING (V)
OUTPUT SWING (V)
Voltage Gain and Phase vs Frequency
120 VS = 15V 100
VOLTAGE MAGNITUDE (dB)
OUTPUT IMPEDANCE ()
VS = 15V VS = 5V VS = 5V
VOLTAGE GAIN (dB)
80 60 40 20
TA = 25C 0 100k 100 10k 1M 1k FREQUENCY (Hz)
Gain-Bandwidth vs Temperature
550 VS = 15V 525 275 250
TOTAL HARMONIC DISTORTION AND NOISE (%)
GAIN-BANDWIDTH (MHz)
500 475 450 425 400 - 50 - 25
SLEW RATE (V/s)
0 75 25 50 TEMPERATURE (C)
UW
10M
LT1222 * TPC10
Output Swing and Error vs Settling Time (Noninverting)
10
VS = 15V TA = 25C 10mV 1mV 8 6 4 2 0 -2 -4 -6 -8 -10 10mV 1mV
Output Swing and Error vs Settling Time (Inverting)
8 6 4 2 0 -2 -4 -6 -8 10mV 1mV VS = 15V TA = 25C 10mV 1mV
100M
0
25
75 100 50 SETTLING TIME (ns)
-10
125
0
25
75 100 50 SETTLING TIME (ns)
125
LT1222 * TPC11
LT1222 * TPC12
Frequency Response vs Capacitive Load
100 80 30 28 26 24 22 20 18 16 14 12 10M - 20 100M 10 1 10 FREQUENCY (MHz) 100
LT1222 * TPC14
Closed-Loop Output Impedance vs Frequency
10 VS = 15V TA = 25C AV = 10 1
VS = 15V TA = 25C AV = -10
C = 100pF C = 50pF
PHASE MARGIN (DEG)
60 40 20 0
C=0 C = 500pF C = 1000pF
0.1
0.01
0.001 10k
100k
1M 10M FREQUENCY (Hz)
100M
LT1222 * TPC15
LT1222 * TPC13
Slew Rate vs Temperature
0.01
VS = 15V AV = -10 CC = 0 (SR +) + (SR -) SR = 2
Total Harmonic Distortion vs Frequency
VS = 15V VO = 3VRMS RL = 500
225 200 175 150
0.001 AV = 10
100
125
125 - 50 - 25
0 25 50 75 TEMPERATURE (C)
100
125
0.0001 10
100
1k 10k FREQUENCY (Hz)
100k
LT1222 * TPC18
LT1222 * TPC16
LT1222 * TPC17
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LT1222 TYPICAL PERFORMANCE CHARACTERISTICS
Small Signal, AV = 10 Large Signal, AV = 10 Large Signal, AV = 10, CL = 10,000pF
RF = 909 VS = 15V f = 5MHz RG = 100 VIN = 20mV
Small Signal, AV = - 10
VS = 15V f = 5MHz RF = 1k RG = 100 (75) VIN = 20mV
APPLICATIONS INFORMATION
The LT1222 is stable in noise gains of 10 or greater and may be inserted directly into HA2520/2/5, HA2541/2/4, AD817, AD847, EL2020, EL2044 and LM6361 applications, provided that the nulling circuitry is removed and the amplifier configuration has a high enough noise gain. The suggested nulling circuit for the LT1222 is shown in the following figure.
Offset Nulling
V+ 5k 1 3 0.1F 8 7 4 0.1F V-
LT1222 * AI01
+ -
LT1222 2
6
6
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W
UW
LT1222 * TPC19 LT1222 * TPC22
RF = 909 VS = 15V f = 2MHz RG = 100 VIN = 2V
LT1222 * TPC20
RF = 909 VS = 15V f = 20kHz RG = 100 VIN = 2V
LT1222 * TPC21
Large Signal, AV = - 10
Small Signal, AV = - 10, CL = 1,000pF
VS = 15V f = 2MHz RF = 1k RG = 100 (75) VIN = 2V
LT1222 * TPC23
VS = 15V f = 500kHz RF = 1k RG = 100 (75) VIN = 15mV
LT1222 * TPC24
U
U
Layout and Passive Components The LT1222 amplifier is easy to apply and tolerant of less than ideal layouts. For maximum performance (for example, fast settling time) use a ground plane, short lead lengths and RF-quality bypass capacitors (0.01F to 0.1F). For high drive current applications use low ESR bypass capacitors (1F to 10F tantalum). Sockets should be avoided when maximum frequency performance is required. For more details see Design Note 50. Feedback resistors greater than 5k are not recommended because a pole is formed with the input capacitance which can cause peaking or oscillations. Stray capacitance on Pin 5 should be minimized. Bias current cancellation circuitry is employed on the inputs of the LT1222 so the input bias current and input offset current have identical specifications. For this reason, matching the impedance on the inputs to reduce bias current errors is not necessary.
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LT1222
APPLICATIONS INFORMATION
Output Clamping Access to the internal compensation node at Pin 5 allows the output swing of the LT1222 to be clamped. An example is shown on the first page of this data sheet. The compensation node is approximately one diode drop above the output and can source or sink 1.2mA. Back-to-back Schottky diodes clamp Pin 5 to a diode drop above ground so the output is clamped to 0.5V (the drop of the Schottkys at 1.2mA). The diode reference is bypassed for good AC response. This circuit is useful for amplifying the voltage at false sum nodes used in settling time measurements. Capacitive Loading The LT1222 is stable with capacitive loads. This is accomplished by sensing the load induced output pole and adding compensation at the amplifier gain node. As the capacitive load increases, both the bandwidth and phase margin decrease. There will be peaking in the frequency domain as shown in the curve of Frequency Response vs Capacitive Load. The small-signal transient response will have more overshoot as shown in the photo of the small-signal response with 1000pF load. The large-signal response with a 10,000pF load shows the output slew rate being limited to 4V/s by the short-circuit current. The LT1222 can drive coaxial cable directly, but for best pulse fidelity a resistor of value equal to the characteristic impedance of the cable (i.e., 75) should be placed in series with the output. The other end of the cable should be terminated with the same value resistor to ground. Compensation The LT1222 has a typical gain-bandwidth product of 500MHz which allows it to have wide bandwidth in high gain configurations (i.e., in a gain of 100, it will have a bandwidth of about 5MHz). For added flexibility the amplifier frequency response may be adjusted by adding capacitance from Pin 5 to ground. The compensation capacitor may be used to reduce overshoot, to allow the amplifier to be used in lower noise gains, or simply to reduce bandwidth. Table 1 shows gain and compensation capacitor vresus - 3dB bandwidth, maximum frequency peaking and small-signal overshoot.
Table 1
AV -1 -1 -1 -1 5 5 5 5 10 10 10 10 20 20 20 CC (pF) 30 50 82 150 10 20 30 50 0 5 10 20 0 5 10 f - 3dB (MHz) 99 70 32 13 140 100 34 15 150 111 40 17 82 24 14 Max Peaking (dB) 4.2 0.9 0 0 3.8 0 0 0 9.5 0.2 0 0 0.1 0 0 Overshoot (%) 36 13 0 0 35 5 1 0 45 10 2 0 10 0 0
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For frequencies < 10MHz the frequency response of the amplifier is approximately: f = 1/[2 * 53 * (CC + 6pF) * (Noise Gain)] The slew rate is affected as follows: SR = 1.2mA /(CC + 6pF) An example would be a gain of -10 (noise gain of 11) and CC = 20pF which has 10.5MHz bandwidth and 46V/s slew rate. It should be noted that the LT1222 is not stable in AV = 1 unless CC = 50pF and a 1k resistor is used as the feedback resistor. The 1k and input capacitance increase the noise gain at frequency to aid stability.
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LT1222
TYPICAL APPLICATIONS N
VOS Null Loop
150k 1 VIN 150k
+
LT1222
8
25k
LT1220
10k 10k 100pF
-
25
VIN
+
-
100pF LT1097
LT1222 * TA03
+
GAIN = [R4/R3][1 + (1/2)(R2/R1 + R3/R4) + (R2 + R3)/R5] = 102 TRIM R5 FOR GAIN TRIM R1 FOR COMMON MODE REJECTION BW = 3MHz LT1222 * TA04
SI PLIFIED SCHE ATIC
V+ 7 NULL 1 8 BIAS 1 COMP 5 6 OUT +IN 3 2 -IN BIAS 2
V- 4
LT1222 * SS
8
+
-
+
-
U
Two Op Amp Instrumemtation Amplifier
R5 220 R1 10k
VOUT AV = 1001
R4 10k
R2 1k
R3 1k
LT1222
VOUT
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LT1222
PACKAGE DESCRIPTION
H Package 8-Lead TO-5 Metal Can (.200 Inch PCD)
(Reference LTC DWG # 05-08-1320)
0.335 - 0.370 (8.509 - 9.398) DIA 0.305 - 0.335 (7.747 - 8.509) 0.040 (1.016) MAX 0.050 (1.270) MAX GAUGE PLANE 0.010 - 0.045* (0.254 - 1.143) 0.016 - 0.021** (0.406 - 0.533) *LEAD DIAMETER IS UNCONTROLLED BETWEEN THE REFERENCE PLANE AND 0.045" BELOW THE REFERENCE PLANE 0.016 - 0.024 **FOR SOLDER DIP LEAD FINISH, LEAD DIAMETER IS (0.406 - 0.610) 0.165 - 0.185 (4.191 - 4.699) REFERENCE PLANE 0.500 - 0.750 (12.700 - 19.050) 0.110 - 0.160 (2.794 - 4.064) INSULATING STANDOFF
SEATING PLANE
CORNER LEADS OPTION (4 PLCS)
0.045 - 0.068 (1.143 - 1.727) FULL LEAD OPTION 0.300 BSC (0.762 BSC)
0.008 - 0.018 (0.203 - 0.457)
NOTE: LEAD DIMENSIONS APPLY TO SOLDER DIP/PLATE OR TIN PLATE LEADS
U
0.027 - 0.045 (0.686 - 1.143) 45TYP 0.028 - 0.034 (0.711 - 0.864) PIN 1
0.200 (5.080) TYP
H8(TO-5) 0.200 PCD 1197
J8 Package 8-Lead CERDIP (Narrow .300 Inch, Hermetic)
(Reference LTC DWG # 05-08-1110)
0.005 (0.127) MIN
0.405 (10.287) MAX 8 7 6 5
0.023 - 0.045 (0.584 - 1.143) HALF LEAD OPTION
0.025 (0.635) RAD TYP 1 2 3
0.220 - 0.310 (5.588 - 7.874)
4
0.200 (5.080) MAX 0.015 - 0.060 (0.381 - 1.524)
0 - 15
0.045 - 0.065 (1.143 - 1.651) 0.014 - 0.026 (0.360 - 0.660) 0.100 (2.54) BSC
0.125 3.175 MIN
J8 1298
OBSOLETE PACKAGES
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LT1222
PACKAGE DESCRIPTION U
N8 Package 8-Lead PDIP (Narrow .300 Inch)
(Reference LTC DWG # 05-08-1510)
.400* (10.160) MAX 8 7 6 5
.255 .015* (6.477 0.381)
1 .300 - .325 (7.620 - 8.255)
2
3
4 .130 .005 (3.302 0.127)
.045 - .065 (1.143 - 1.651)
.008 - .015 (0.203 - 0.381) +.035 .325 -.015 8.255 +0.889 -0.381
.065 (1.651) TYP .120 (3.048) .020 MIN (0.508) MIN .018 .003 (0.457 0.076)
N8 1002
(
)
.100 (2.54) BSC
INCHES MILLIMETERS *THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS. MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .010 INCH (0.254mm)
NOTE: 1. DIMENSIONS ARE
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LT1222
PACKAGE DESCRIPTION U
S8 Package 8-Lead Plastic Small Outline (Narrow .150 Inch)
(Reference LTC DWG # 05-08-1610)
.045 .005 .050 BSC
8
.189 - .197 (4.801 - 5.004) NOTE 3 7 6 5
.245 MIN
.160 .005
.228 - .244 (5.791 - 6.197)
.150 - .157 (3.810 - 3.988) NOTE 3
.030 .005 TYP RECOMMENDED SOLDER PAD LAYOUT
.010 - .020 x 45 (0.254 - 0.508) .008 - .010 (0.203 - 0.254) 0- 8 TYP
1
2
3
4
.053 - .069 (1.346 - 1.752)
.004 - .010 (0.101 - 0.254)
.016 - .050 (0.406 - 1.270) NOTE: 1. DIMENSIONS IN
INCHES (MILLIMETERS) 2. DRAWING NOT TO SCALE 3. THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS. MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .006" (0.15mm)
.014 - .019 (0.355 - 0.483) TYP
.050 (1.270) BSC
SO8 0303
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Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
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LT1222
RELATED PARTS
PART NUMBER LT1220 LT1221 DESCRIPTION 45MHz, 250V/s Amplifier 150MHz, 250V/s Amplifier COMMENTS Unity Gain Stable Version of the LT1222 AV 4 Version of the LT1222
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Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 FAX: (408) 434-0507
LT 0507 REV C * PRINTED IN USA
www.linear.com
(c) LINEAR TECHNOLOGY CORPORATION 1992

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