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HFA1115/883
July 1994
High Speed, Low Power, Output Limiting Closed Loop Buffer Amplifier
Description
The HFA1115/883 is a high speed closed loop Buffer featuring both user programmable gain and output limiting. Manufactured in Intersil' proprietary complementary bipolar UHF-1 process, the HFA1115/883 also offers a wide -3dB bandwidth of 225MHz, very fast slew rate, excellent gain flatness and high output current. This buffer is the ideal choice for high frequency applications requiring output limiting, especially those needing ultra fast overload recovery times. The limiting function allows the designer to set the maximum positive and negative output levels, thereby protecting later stages from damage or input saturation. The HFA1115/883 also allows for voltage gains of +2, +1, and -1, without the use of external resistors. Gain selection is accomplished via connections to the inputs, as described in the "Application Information" text. The result is a more flexible product, fewer part types in inventory, and more efficient use of board space. Compatibility with existing op amp pinouts provides flexibility to upgrade low gain amplifiers, while decreasing component count. Unlike most buffers, the standard pinout provides an upgrade path should a higher closed loop gain be needed at a future date.
Features
* This Circuit is Processed in Accordance to MIL-STD883 and is Fully Conformant Under the Provisions of Paragraph 1.2.1. * User Programmable Output Voltage Limiting * User Programmable For Closed-Loop Gains of +1, -1 or +2 Without Use of External Resistors * Standard Operational Amplifier Pinout * Fast Overdrive Recovery. . . . . . . . . . . . . . . . <1ns (Typ) * Low Supply Current. . . . . . . . . . . . . . . . . . 6.9mA (Typ) * Excellent Gain Accuracy . . . . . . . . . . . . . . 0.99V/V (Typ) * Wide -3dB Bandwidth . . . . . . . . . . . . . . . 225MHz (Typ) * Fast Slew Rate . . . . . . . . . . . . . . . . . . . . .1135V/s (Typ) * High Input Impedance . . . . . . . . . . . . . . . . . . 1M (Typ) * Excellent Gain Flatness (to 50MHz) . . . . . 0.1dB (Typ)
Applications
* Flash A/D Driver * Video Switching and Routing * Pulse and Video Amplifiers * Wideband Amplifiers * RF/IF Signal Processing * Medical Imaging Systems
Ordering Information
PART NUMBER HFA1115MJ/883 TEMPERATURE RANGE -55oC to +125oC PACKAGE 8 Lead CerDIP
Pinout
HFA1115/883 (CERDIP) TOP VIEW
NC -IN +IN V1 350 2 3 4 + 350 8 7 6 5 VH V+ OUT VL
-
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. http://www.intersil.com or 407-727-9207 | Copyright (c) Intersil Corporation 1999
Spec Number
3-194
511109-883 File Number 3724
Specifications HFA1115/883
Absolute Maximum Ratings
Voltage Between V+ and V- . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12V Voltage at Either Input Terminal . . . . . . . . . . . . . . . . . . . . . . V+ to VOutput Current (Note 1) . . . . . . . . . . . . . . . . Short Circuit Protected Output Current (50% Duty Cycle, Note 1) . . . . . . . . . . . . . . . . 60mA Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +175oC ESD Rating. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . > 2000V Storage Temperature Range . . . . . . . . . . . . . . -65oC TA +150oC Lead Temperature (Soldering 10s) . . . . . . . . . . . . . . . . . . . . +300oC
Thermal Information
Thermal Resistance JA JC CerDIP Package . . . . . . . . . . . . . . . . . 115oC/W 30oC/W Maximum Package Power Dissipation at +75oC CerDIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.87W Package Power Dissipation Derating Factor above +75oC CerDIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.7mW/oC
CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
Operating Conditions
Operating VSUPPLY (VS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V Operating Temperature Range . . . . . . . . . . . . .-55oC TA +125oC RL 50
TABLE 1. DC ELECTRICAL PERFORMANCE CHARACTERISTICS Device Tested at: VSUPPLY = 5V, AV = +1, RSOURCE = 0, RL = 100, VOUT = 0V, Unless Otherwise Specified. GROUP A SUBGROUPS 1 2, 3 Common Mode Rejection Ratio CMRR VCM = 1.8V V+ = 3.2V, V- = -6.8V V+ = 6.8V, V- = -3.2V VCM = 1.2V V+ = 3.8V, V- = -6.2V V+ = 6.2V, V- = -3.8V Power Supply Rejection Ratio PSRRP VSUPPLY = 1.8V V+ = 6.8V, V- = -5V V+ = 3.2V, V- = -5V VSUPPLY = 1.2V V+ = 6.2V, V- = -5V V+ = 3.8V, V- = -5V PSRRN VSUPPLY = 1.8V V+ = 5V, V- = -6.8V V+ = 5V, V- = -3.2V VSUPPLY = 1.2V V+ = 5V, V- = -6.2V V+ = 5V, V- = -3.8V Non-Inverting Input (+IN) Current +IN Current Common Mode Sensitivity IBSP VCM = 0V 1 2 3 LIMITS TEMPERATURE +25oC +125oC, -55oC +25oC +125oC -55oC MIN -10 -20 42 39 39 MAX 10 20 UNITS mV mV dB dB dB
PARAMETERS Output Offset Voltage
SYMBOL VOS
CONDITIONS VCM = 0V
1 2 3
+25oC +125oC -55oC
45 42 42
-
dB dB dB
1 2 3
+25oC +125oC -55oC
45 42 42
-
dB dB dB
1 2, 3
+25oC +125oC, -55oC +25oC +125oC -55oC
-15 -25 -
15 25 1.25 2.85 2.85
A A A/V A/V A/V
CMSIBP
VCM = 1.8V V+ = 3.2V, V- = -6.8V V+ = 6.8V, V- = -3.2V VCM = 1.2V V+ = 3.8V, V- = -6.2V V+ = 6.2V, V- = -3.8V
1 2 3
+IN Resistance
+RIN
Note 2
1 2, 3
+25oC +125oC, -55oC
800 350
-
k k
Spec Number 3-195
511109-883
Specifications HFA1115/883
TABLE 1. DC ELECTRICAL PERFORMANCE CHARACTERISTICS (Continued) Device Tested at: VSUPPLY = 5V, AV = +1, RSOURCE = 0, RL = 100, VOUT = 0V, Unless Otherwise Specified. GROUP A SUBGROUPS 1 2, 3 1 2, 3 1 2, 3 1 2, 3 1 2, 3 1 2 3 1 2 3 1 2 3 -IOUT Note 3 1 2 3 Quiescent Power Supply Current ICC RL = 100 1 2, 3 IEE RL = 100 1 2, 3 Clamp Accuracy VHCLMP AV = -1, VIN = -1.6V VH = 1V AV = -1, VIN = +1.6V VL = -1V VH = 1V 1 2, 3 1 2, 3 1 2, 3 VLBIAS VL = -1V 1 2, 3 NOTES: 1. Output is short circuit protected to ground. Brief short circuits to ground will not degrade reliability, however continuous (100% duty cycle) output current must not exceed 30mA for maximum reliability. 2. Guaranteed from +IN Common Mode Rejection Test, by: +RIN = 1/CMSIBP . 3. Guaranteed from VOUT Test with RL = 50, by: IOUT = VOUT/50. LIMITS TEMPERATURE +25oC +125oC, -55oC +25oC +125oC, -55oC +25oC +125oC, -55oC +25oC +125oC, -55oC +25oC +125oC, -55oC +25oC +125oC -55oC +25oC +125oC -55oC +25oC +125oC -55oC +25oC +125oC -55oC +25oC +125oC, -55oC +25oC +125oC, -55oC +25oC +125oC, -55oC +25oC +125oC, -55oC +25oC +125oC, -55oC +25oC +125oC, -55oC MIN 0.98 0.975 -0.98 -0.975 1.96 1.95 3 2.8 2.5 2.0 1.4 50 40 28 6.6 6.2 -7.1 -7.5 -125 -125 -125 -125 -200 -200 MAX 1.02 1.025 -1.02 -1.025 2.04 2.05 -3 -2.8 -2.5 -2.0 -1.4 -50 -40 -28 7.1 7.5 -6.6 -6.2 125 125 125 125 200 200 UNITS V/V V/V V/V V/V V/V V/V V V V V V V V V V V mA mA mA mA mA mA mA mA mA mA mV mV mV mV A A A A
PARAMETERS Gain
SYMBOL AVP1
CONDITIONS AV = +1 VIN = -1V to +1V AV = -1 VIN = -1V to +1V AV = +2 VIN = -1V to +1V AV = -1 RL = 100 AV = -1 RL = 100 AV = -1 RL = 50 VIN = -3.2V VIN = -3V VIN =+3.2V VIN = +3V VIN = -2.7V VIN = -2.25V VIN = -2.25V
AVM1
AVP2
Output Voltage Swing
VOP100
VON100
Output Voltage Swing
VOP50
VON50
AV = -1 RL = 50
VIN = +2.7V VIN = +2.25V VIN = +2.25V
Output Current
+IOUT
Note 3
VLCLMP
Clamp Input Current
VHBIAS
Spec Number 3-196
511109-883
Specifications HFA1115/883
TABLE 2. AC ELECTRICAL PERFORMANCE CHARACTERISTICS Table 2 Intentionally Left Blank.
TABLE 3. ELECTRICAL PERFORMANCE CHARACTERISTICS Table 3 Intentionally Left Blank.
TABLE 4. ELECTRICAL TEST REQUIREMENTS MIL-STD-883 TEST REQUIREMENTS Interim Electrical Parameters (Pre Burn-In) Final Electrical Test Parameters Group A Test Requirements Groups C and D Endpoints NOTE: 1. PDA applies to Subgroup 1 only. SUBGROUPS (SEE TABLE 1) 1 1 (Note 1), 2, 3 1, 2, 3 1
Spec Number 3-197
511109-883
HFA1115/883 Die Characteristics
DIE DIMENSIONS: 59 x 58.2 x 19 mils 1 mils 1500 x 1480 x 483m 25.4m METALLIZATION: Type: Metal 1: AICu(2%)/TiW Thickness: Metal 1: 8kA 0.4kA GLASSIVATION: Type: Nitride Thickness: 4kA 0.5kA WORST CASE CURRENT DENSITY: TBD TRANSISTOR COUNT: 89 SUBSTRATE POTENTIAL (Powered Up): Floating (Recommend Connection to V-) Type: Metal 2: AICu(2%) Thickness: Metal 2: 16kA 0.8kA
Metallization Mask Layout
HFA1115/883
-IN
VH
V+
OUT +IN
VV-
VL VL
All Intersil semiconductor products are manufactured, assembled and tested under ISO9000 quality systems certification.
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
For information regarding Intersil Corporation and its products, see web site http://www.intersil.com
Spec Number 3-198
511109-883

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