Datasheet ADA4004-1, ADA4004-2, ADA4004-4 (Analog Devices)

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1.8 nV/√Hz, 36 V Precision Amplifiers ADA4004-1/ADA4004-2/ADA4004-4 FEATURES PIN CONFIGURATIONS Very low voltage noise: 1.8 nV/√Hz Low input bias current: 90 nA maximum OUT 1 5 V+ ADA4004-1 Offset voltage: 125 µV maximum V– 2 TOP VIEW High gain: 120 dB (Not to Scale)
1
+IN 3 4 –IN
-00
Wide bandwidth: 12 MHz
7 57 05 
5 V to

15 V operation
Figure 1. 5-Lead SOT (RJ-5)
APPLICATIONS Precision instrumentation NC 1 8 NC –IN 2 ADA4004-1 7 V+ Filter blocks +IN 3 6 TOP VIEW OUT Microphone preamplifiers V– (Not to Scale) 4 5 NC
2
Industrial control
-00 77
Thermocouples and RTDs NC = NO CONNECT
055
Reference buffers
Figure 2. 8-Lead SOIC (R-8)
GENERAL DESCRIPTION OUT A 1 8 V+ ADA4004-2
The ADA4004-1/ADA4004-2/ADA4004-4 are 1.8 nV/√Hz
–IN A 2 7 OUT B TOP VIEW +IN A 3 6 –IN B
precision amplifiers featuring 40 μV offset, 0.7 μV/°C drift,
(Not to Scale)
-003
V– 4 5 +IN B
77 12 MHz bandwidth, and low 1.7 mA per amplifier supply current. 055 Figure 3. 8-Lead MSOP (RM-8) and 8-Lead SOIC (R-8) The ADA4004-1/ADA4004-2/ADA4004-4 are designed on the high performance iPolar™ process, enabling improvements such
OUT A 1 14 OUT D –IN A 2 13 –IN D
as reduced noise and power consumption, increased speed and
+IN A 3 12 ADA4004-4 +IN D
stability, and smaller footprint size. Novel design techniques enable
V+ 4 TOP VIEW 11 V–
the ADA4004-1/ADA4004-2/ADA4004-4 to achieve 1.8 nV/√Hz
(Not to Scale) +IN B 5 10 +IN C
voltage noise density and a low 6 Hz 1/f noise corner frequency 1
–IN B 6 9 –IN C
09 7-
OUT B 7 8
57 while consuming just 1.7 mA per amplifier. The small package
OUT C
05 saves board space, reduces cost, and improves layout flexibility. Figure 4. 14-Lead SOIC (R-14) Applications for these amplifiers include high precision controls,
A D T T
PLL filters, high performance precision filters, medical and
NC OU OU NC
analytical instrumentation, precision power supply controls,
6 5 4 3 1 1 1 1
ATE, and data acquisition systems. Operation is fully specified from ±5 V to ±15 V from −40°C to +125°C.
–IN A 1 12 –IN D +IN A 2 11 +IN D ADA4004-4
The ADA4004-1, ADA4004-2, and ADA4004-4 are members
V+ TOP VIEW 3 10 V– (Not to Scale)
of a growing series of low noise op amps offered by Analog
+IN B 4 9 +IN C
Devices, Inc., (see Table 1). 5 00 7-
5 6 7 8
557 0
Table 1. Voltage Noise N B T B T C N C –I –I Pkg. 0.9 nV 1.1 nV 1.8 nV 2.8 nV 3.8 nV OU OU NOTES
Single AD797 AD8597 ADA4004-1 AD8675 AD8671
1. NC = NO CONNECT. 2. IT IS RECOMMENDED THAT THE EXPOSED PAD
Dual AD8599 ADA4004-2 AD8676 AD8672
BE CONNECTED TO V–.
Quad ADA4004-4 AD8674 Figure 5. 16-Lead LFCSP (CP-16-23)
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Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PIN CONFIGURATIONS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS OUTLINE DIMENSIONS ORDERING GUIDE