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NJM1496
DOUBLE BALANCED MODULATION / DEMODULATOR
GENERAL DESCRIPTION The NJM1496 is a double balanced modulator-demodulator which produces an output voltage proportional to hte product of an input (signal) voltage and a switching (carrier) signal. Typical applications include suppressed carrier modulation, amplitude modulation, synchronous detection, FM or PM detection, broadband frequency doubling and chopping. FEATURES Excellent carrier suppression 65dB typical at 0.5MHz 50dB typical at 10MHz Adjustable gain and signal handling Fully balanced inputs and outputs High Common Mode Rejection 85dB Typ. Package Outline DIP14, DMP14, SSOP14 Bipolar Technology APPLICATION Balanced Modulation Synchronous Detection FM Detection Phase Detection Sampling PIN CONFIGURATION PACKAGE OUTLINE
NJM1496D
NJM1496M
NJM1496V
NJM1496D NJM1496M NJM1496V EQUIVALENT CIRCUIT
Ver.2003-12-09
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NJM1496
ABSOLUTE MAXIMUM RATINGS
PARAMETER Applied Voltage Carrier Input Voltage Signal Input Voltage Input Signal Bias Current (I5) Power Dissipation RATINGS 30 (Applied Pins 6-8, 12-8, 6-10, 12-10, 10-1, 8-1, 10-4, 8-4, 2-5, 3-5) 5 (Applied Pins 8-10) (5+I5, Re) (Applied Pins 1-4) 5 10 (DIP14) 570 (DMP14) 300 (SSOP14) 300 -20 to +75 -40 to +125
(Ta=25C)
UNIT V V V V mA mW mW mW C C
Operating Temperature Range Storage Temperature Range
ELECTRICAL CHARACTERISTICS
PARAMETER Single-Ended Input Impedance Parallel Input Resistance Parallel Input Capacitance Single-Ended Output Impedance Parallel Output Resistance Parallel Output Capacitance Input Bias Current Ibs=I1+I4 / 2 Ibs=I8+I10 / 2 Input Offset Current Iios=I1 - I4 Iios=I8 - I10 Average Temperature Coefficient of Input Offset Current Output Offset Current (I6 - I12) Average Temperature Coefficient of Output Offset Current Output Voltage Operating Current (I6 + I12) I14 DC Power Dissipation
DC characteristics (V+=12V, V-=-8V, I5=1.0mA, RL=3.9k, Re=1.0k, Ta=25C)
SYMBOL Rip Cip Rop Cop Ibs Ibc Iios Iioc Iio IOC IOC VO ID+ IDPD TEST CONDITION Signal Port, f =5.0MHz Signal Port, f =5.0MHz f =10MHz f =10MHz MIN. TYP. 200 2.0 40 5.0 12 12 0.7 0.7 2.0 15 90 8.0 2.0 3.0 33 MAX. 30 30 7 7 80 4.0 5.0 UNIT k pF k pF A A A A nA / C A nA / C V mA mA mW
-2-
Ver.2003-12-09
NJM1496
ELECTRICAL CHARACTERISTICS
PARAMETER Carrier Feedthrough VCFT VCFT
AC characteristics (V+=12V, V-=-8V, I5=1.0mA, RL=2.9k, Re=1.0k, Ta=25C)
SYMBOL TEST CONDITION VC=60mVrms sine wave offset adjusted fC=1.0kHz fC=10MHz VC=300mVP-P square wave fC=1.0kHz offset adjusted offset not adjusted fS=10kHz, 300mVrms sine wave offset adjusted fC=500kHz, 60mVrms sine wave fC=10MHz, 60mVrms sine wave VC=60mVrms sine wave fS=1.0kHz, 300mVrms sine wave VS=300mVrms sine wave VC=0.5Vdc VS=100mVrms, fS=1.0kHz VC=0.5Vdc fS=1.0kHz fS=1.0kHz, VC=0.5Vdc MIN. TYP. MAX. UNIT
-
40 140
-
Vrms Vrms
VCFT VCFT Carrier Suppression VCS VCS Transadmittance Bandwidth (RL=50) Carrier Input Port Signal Input Port Voltage Gain, Signal Channel AVS Signal Port Common Mode Input Voltage Range Signal Port Common Mode Rejection Ratio Differential Output Swing Capability CMV ACM DVout
-
0.04 20
0.4 200
mVrms mVrms
40 -
65 50
-
dB dB
BW 3dB BW 3dB
-
300 80
-
MHz MHz
2.5 -
3.5 5.0 -85 8.0
-
V/V VP-P dB VP-P
TEST CIRCUIT
Ver.2003-12-09
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NJM1496
TYPICAL CHARACTERISTICS Carrier Suppression Carrier Suppression
Carrier Feedthrough
Sideband Output
-4-
Ver.2003-12-09
NJM1496
TYPICAL APPLICATIONS AM Modulator Circuit
Product Detector (+12V DC Single Supply)
[CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights.
Ver.2003-12-09
-5-

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