AD843JNZ Analog Devices Inc, AD843JNZ Datasheet
AD843JNZ
Manufacturer Part Number
AD843JNZ
Description
IC OPAMP GP 34MHZ 50MA 8DIP
Manufacturer
Analog Devices Inc
Specifications of AD843JNZ
Slew Rate
250 V/µs
Amplifier Type
General Purpose
Number Of Circuits
1
Gain Bandwidth Product
34MHz
Current - Input Bias
50pA
Voltage - Input Offset
1000µV
Current - Supply
12mA
Current - Output / Channel
50mA
Voltage - Supply, Single/dual (±)
±4.5 V ~ 18 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Through Hole
Package / Case
8-DIP (0.300", 7.62mm)
Op Amp Type
High Speed
No. Of Amplifiers
1
Bandwidth
34MHz
Supply Voltage Range
± 4.5V To ± 18V
Amplifier Case Style
DIP
No. Of Pins
8
Common Mode Rejection Ratio
72
Current, Input Bias
50 pA
Current, Input Offset
30 pA
Current, Output
50 mA
Current, Supply
13 mA
Impedance, Thermal
100 °C/W
Package Type
Mini-PDIP-8
Power Dissipation
1.5 W
Resistance, Input
10^10 Ohms
Temperature, Operating, Range
0 to +70 °C
Time, Rise
10 ns
Voltage, Input
+12 V
Voltage, Noise
19 nV/sqrt Hz
Voltage, Offset
1 mV
Voltage, Output, High
11.5 V
Voltage, Output, Low
-12.6 V
Voltage, Supply
±15 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Output Type
-
-3db Bandwidth
-
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
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a
PRODUCT DESCRIPTION
The AD843 is a fast settling, 34 MHz, CBFET input op amp.
The AD843 combines the low (0.6 nA) input bias currents
characteristic of a FET input amplifier while still providing a
34 MHz bandwidth and a 135 ns settling time (to within 0.01%
of final value for a 10 volt step). The AD843 is a member of the
Analog Devices’ family of wide bandwidth operational amplifi-
ers. These devices are fabricated using Analog Devices’ junction
isolated complementary bipolar (CB) process. This process per-
mits a combination of dc precision and wideband ac perform-
ance previously unobtainable in a monolithic op amp.
The 250 V/ s slew rate and 0.6 nA input bias current of the
AD843 ensure excellent performance in high speed sample-and-
hold applications and in high speed integrators. This amplifier is
also ideally suited for high bandwidth active filters and high fre-
quency signal conditioning circuits.
Unlike many high frequency amplifiers, the AD843 requires no
external compensation and it remains stable over its full operat-
ing temperature range. It is available in five performance grades:
the AD843J and AD843K are rated over the commercial
temperature range of 0 C to +70 C. The AD843A and AD843B
are rated over the industrial temperature range of –40 C to +85 C.
The AD843S is rated over the military temperature range of –55 C
to +125 C and is available processed to MIL-STD-883B, Rev. C.
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices 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 Analog Devices.
FEATURES
AC PERFORMANCE
Unity Gain Bandwidth: 34 MHz
Fast Settling: 135 ns to 0.01%
Slew Rate: 250 V/ s
Stable at Gains of 1 or Greater
Full Power Bandwidth: 3.9 MHz
DC PERFORMANCE
Input Offset Voltage: 1 mV max (AD843K/B}
Input Bias Current: 0.6 nA typ
Input Voltage Noise: 19 nV/ Hz
Open Loop Gain: 30 V/mV into a 500
Output Current: 50 mA min
Supply Current: 13 mA max
Available in 8-Pin Plastic Mini-DIP & Cerdip, 16-Pin SOIC,
Available in Tape and Reel in Accordance with
Chips and MIL-STD-883B Parts Also Available
APPLICATIONS
High Speed Sample-and-Hold Amplifiers
High Bandwidth Active Filters
High Speed Integrators
High Frequency Signal Conditioning
EIA-481A Standard
20-Pin LCC and 12-Pin Hermetic Metal Can Packages
Load
The AD843 is offered in either 8-pin plastic DIP or hermetic
cerdip packages, in 16-pin SOIC, 20-Pin LCC, or in a 12-pin
metal can. Chips are also available.
PRODUCT HIGHLIGHTS
1. The high slew rate, fast settling time and low input bias cur-
2. Fully differential inputs provide outstanding performance in
3. Laser wafer trimming reduces the input offset voltage to
4. Although external offset nulling is unnecessary in many ap-
5. The AD843 does not require external compensation at
16-Pin SOIC (R-16) Package
rent of the AD843 make it the ideal amplifier for 12-bit D/A
and A/D buffers, for high speed sample-and-hold amplifiers
and for high speed integrator circuits. The AD843 can re-
place many FET input hybrid amplifiers such as the
LH0032, LH4104 and OPA600.
all standard high frequency op amp applications such as sig-
nal conditioning and active filters.
1 mV max (AD843K and AD843B).
plications, offset null pins are provided.
closed loop gains of 1 or greater.
TO-8 (H-12A) Package
CONNECTION DIAGRAMS
Fast Settling Op Amp
34 MHz, CBFET
LCC (E-20A) Package
Cerdip (Q-8) Package
© Analog Devices, Inc., 1995
Plastic (N-8) and
AD843
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AD843JNZ Summary of contents
Page 1
FEATURES AC PERFORMANCE Unity Gain Bandwidth: 34 MHz Fast Settling: 135 ns to 0.01% Slew Rate: 250 V/ s Stable at Gains Greater Full Power Bandwidth: 3.9 MHz DC PERFORMANCE Input Offset Voltage max ...
Page 2
AD843–SPECIFICATIONS Model Conditions 1 INPUT OFFSET VOLTAGE T -T MIN Offset Drift INPUT BIAS CURRENT Initial (T Warmed- MIN INPUT OFFSET CURRENT Initial (T Warmed- MIN INPUT CHARACTERISTICS Input Resistance Input Capacitance INPUT VOLTAGE RANGE Common ...
Page 3
NOTES 1 Standard Military Drawings Available: 5962-9098001M2A (SE/883B), 5962-9098001MXA (SH/883B), 5962-9098001MPA (SQ/883B). 2 Specifications are guaranteed after 5 minutes Full power bandwidth = Slew Rate/2 V peak. 4 All “S” grade T -T specifications are tested with ...
Page 4
AD843 Mini-DIP Package (N-8) TO-8 Package (H-12A) OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 0.4133 (10.50) 0.3977 (10.00 PIN 1 0.0118 (0.30) 0.0040 (0.10) 0.0500 (1.27) BSC LCC Package (E-20A) 0.082 0.018 0.350 0.008 SQ (2.085 0.455) ...