Datasheet ADA4000-1, ADA4000-2, ADA4000-4 (Analog Devices)

Low Cost, Precision JFET Input Operational Amplifiers Data Sheet ADA4000-1/ ADA4000-2 /ADA4000-4 FEATURES PIN CONFIGURATIONS High slew rate: 20 V/μs OUT 1 5 V+ Fast settling time ADA4000-1 TOP VIEW Low offset voltage: 1.70 mV maximum V– 2 (Not to Scale)
1
Bias current: 40 pA maximum
00
+IN 3 4 –IN
1- 79
±4 V to ±18 V operation
05 Figure 1. 5-Lead TSOT (UJ-5)
Low voltage noise: 16 nV/

Hz Unity gain stable NC 1 8 NC Common-mode voltage includes +VS –IN 2 ADA4000-1 7 V+ Wide bandwidth: 5 MHz +IN 3 TOP VIEW 6 OUT (Not to Scale) V– 4 5 NC
02
APPLICATIONS
0 1- 79
NC = NO CONNECT
05
Reference gain/buffers
Figure 2. 8-Lead SOIC (R-8)
Level shift/driving Active filters OUT A 1 8 +V –IN A 2 7 ADA4000-2 OUT B Power line monitoring/control +IN A 3 TOP VIEW 6 –IN B Current/voltage sense or monitoring
27
(Not to Scale)
0
–V 4 5 +IN B
1-
Data acquisition
579 0
Sample-and-hold circuits
Figure 3. 8-Lead SOIC (R-8)
Integrators OUT A 1 8 +V GENERAL DESCRIPTION –IN A 2 7 OUT B ADA4000-2 +IN A 3 TOP VIEW 6 –IN B
28 0 The ADA4000-1/ADA4000-2/ADA4000-4 are junction field
(Not to Scale) –V 4 5 +IN B
1- 79 effect transistor (JFET) input operational amplifiers featuring 05 Figure 4. 8-Lead MSOP (RM-8) precision, very low bias current, and low power. Combining high input impedance, low input bias current, wide bandwidth,
OUT A 1 14 OUT D
fast slew rate, and fast settling time, the ADA4000-1/ADA4000-
–IN A 2 13 –IN D +IN A 3 12 +IN D
2/ADA4000-4 are ideal amplifiers for driving analog-to-digital
ADA4000-4 +V 4 TOP VIEW 11 –V
inputs and buffering digital-to-analog converter outputs. The
+IN B (Not to Scale) 5 10 +IN C
input common-mode voltage includes the positive power supply,
–IN B 6 9 –IN C
9 02 which makes the device an excellent choice for high-side signal
OUT B 7 8 OUT C
1- 79 05 conditioning. Figure 5. 14-Lead SOIC (R-14) Additional applications for the ADA4000-1/ADA4000-2/ ADA4000-4 include electronic instruments, automated test
OUT A 1 14 OUT D
equipment (ATE) amplification, buffering, integrator circuits,
–IN A 2 13 –IN D
instrumentation-quality photodiode amplification, and fast
+IN A 3 ADA4000-4 12 +IN D TOP VIEW
precision filters (including phase-locked loop filters). The devices
+V 4 11 –V (Not to Scale)
also include utility functions, such as reference buffering, level
+IN B 5 10 +IN C 6
shifting, control input/output interface, power supply control,
–IN B 9 –IN C
0
OUT B 7
03 and monitoring functions.
8 OUT C
1- 79 05 Figure 6. 14-Lead TSSOP (RU-14)
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Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PIN CONFIGURATIONS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE POWER SEQUENCING ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS APPLICATIONS INFORMATION OUTPUT PHASE REVERSAL AND INPUT NOISE CAPACITIVE LOAD DRIVE SETTLING TIME OUTLINE DIMENSIONS ORDERING GUIDE