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
OUT 1 5 V+
Low input bias current: 90 nA maximum
ADA4004-1
V 2
TOP VIEW
Offset voltage: 125 V maximum
(Not to Scale)
High gain: 120 dB
+IN 3 4 IN
Wide bandwidth: 12 MHz
5 V to 15 V operation
Figure 1. 5-Lead SOT
(RJ-5)
APPLICATIONS
NC 1 8 NC
Precision instrumentation
IN 2 ADA4004-1 7 V+
Filter blocks
+IN 3 6 OUT
TOP VIEW
(Not to Scale)
Microphone preamplifiers
V 4 5 NC
Industrial control
NC = NO CONNECT
Thermocouples and RTDs
Figure 2. 8-Lead SOIC
Reference buffers
(R-8)
GENERAL DESCRIPTION
OUT A 1 8 V+
ADA4004-2
IN A 2 7 OUT B
The ADA4004-1/ADA4004-2/ADA4004-4 are 1.8 nV/Hz
TOP VIEW
+IN A 3 6 IN B
(Not to Scale)
precision amplifiers featuring 40 V offset, 0.7 V/C drift,
V 4 5 +IN B
12 MHz bandwidth, and low 1.7 mA per amplifier supply current.
Figure 3. 8-Lead MSOP (RM-8) and 8-Lead SOIC (R-8)
The ADA4004-1/ADA4004-2/ADA4004-4 are designed on the
OUT A 1 14 OUT D
high performance iPolar process, enabling improvements such
IN A 2 13 IN D
as reduced noise and power consumption, increased speed and
3 12
+IN A ADA4004-4 +IN D
stability, and smaller footprint size. Novel design techniques enable
V+ 4 TOP VIEW 11 V
(Not to Scale)
5 10
the ADA4004-1/ADA4004-2/ADA4004-4 to achieve 1.8 nV/Hz +IN B +IN C
IN B 6 9 IN C
voltage noise density and a low 6 Hz 1/f noise corner frequency
7 8
OUT B OUT C
while consuming just 1.7 mA per amplifier. The small package
Figure 4. 14-Lead SOIC
saves board space, reduces cost, and improves layout flexibility.
(R-14)
Applications for these amplifiers include high precision controls,
PLL filters, high performance precision filters, medical and
analytical instrumentation, precision power supply controls,
ATE, and data acquisition systems. Operation is fully specified
IN A 1 IN D
12
from 5 V to 15 V from 40C to +125C.
+IN A 2 11 +IN D
ADA4004-4
TOP VIEW
The ADA4004-1, ADA4004-2, and ADA4004-4 are members
V+ 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).
Table 1. Voltage Noise
Pkg. 0.9 nV 1.1 nV 1.8 nV 2.8 nV 3.8 nV
NOTES
1. NC = NO CONNECT.
Single AD797 AD8597 ADA4004-1 AD8675 AD8671
2. IT IS RECOMMENDED THAT THE EXPOSED PAD
BE CONNECTED TO V.
Dual AD8599 ADA4004-2 AD8676 AD8672
Figure 5. 16-Lead LFCSP
Quad ADA4004-4 AD8674
(CP-16-23)
Rev. H Document Feedback
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IN B NC
OUT B OUT A
OUT C OUT D
NC
IN C
05577-002 05577-001
05577-003
05577-091
05577-005
5 16
6 15
7 14
8 13ADA4004-1/ADA4004-2/ADA4004-4 Data Sheet
TABLE OF CONTENTS
Features .............................................................................................. 1 Absolute Maximum Ratings ............................................................5
Applications ....................................................................................... 1 Thermal Resistance .......................................................................5
General Description ......................................................................... 1 ESD Caution...................................................................................5
Pin Configurations ........................................................................... 1 Typical Performance Characteristics ..............................................6
Revision History ............................................................................... 2 Outline Dimensions ....................................................................... 12
Specif ications ..................................................................................... 3 Ordering Guide .......................................................................... 14
REVISION HISTORY
Added Table 1; Renumbered Sequentially ............................................ 1
7/15Rev. G to Rev. H
Change to Output Voltage Low Parameter, Table 2 ............................. 3
Changed CP-16-4 to CP-16-23 and Changed LFCSP_VQ to
Changes to Supply Current per Amplifier Parameter, Table 2 .......... 3
LFCSP_WQ .................................................................... Throughout
Added Phase Margin Parameter, Table 2 ............................................... 3
Changes to Figure 5 .......................................................................... 1
Change to Output Voltage Low Parameter, Table 3 ............................. 3
Changed Differential Input Voltage Parameter, Table 4 .............. 5
Changes to Supply Current per Amplifier Parameter, Table 3 .......... 4
Updated Outline Dimensions ....................................................... 12
Added Phase Margin Parameter, Table 3 ............................................... 4
Changes to Ordering Guide .......................................................... 15
Changes to Table 4 ..................................................................................... 5
4/11Rev. F to Rev. G
Changes to Thermal Resistance Section ................................................ 5
Changes to Figure 1 .......................................................................... 1 Changes to Table 5 ..................................................................................... 5
Updated Outline Dimensions ....................................................... 12 Update Outline Dimensions .................................................................. 12
Changes to Ordering Guide ................................................................... 13
6/10Rev. E to Rev. F
11/07Rev. A to Rev. B
Added Differential Input Current to Table 4 ................................ 5
Changes to Figure 14 and Figure 17 ............................................... 7 Changed V to V .............................................................. Universal
S SY
Changes to General Description ..................................................... 1
10/09Rev. D to Rev. E
Changes to Supply Current per Amplifier ..................................... 3
Changes to Product Title, General Description Section, and
Changes to Open-Loop Gain ........................................................... 4
Figure 5 .............................................................................................. 1
Changes to Supply Current per Amplifier ..................................... 4
Updated Outline Dimensions (RM-8) ......................................... 13
Changes to Figure 10, Figure 11, Figure 13, and Figure 14 .......... 7
Changes to Ordering Guide .......................................................... 14
Changes to Figure 26 ......................................................................... 9
6/09Rev. C to Rev. D
Updated Outline Dimensions ....................................................... 12
Changes to Ordering Guide .......................................................... 12
Changes to Figure 5 .......................................................................... 1
7/06Rev. 0 to Rev. A
10/08Rev. B to Rev. C
Changes to Table 4 ............................................................................. 5
Added ADA4004-1 and ADA4004-2 ............................... Universal
Updated Outline Dimensions ....................................................... 12
Added 5-Lead SOT, 8-Lead SOIC, and 8-Lead MSOP ....... Universal
Changes to Ordering Guide .......................................................... 12
Changes to Features Section .................................................................... 1
Added Figure 1 to Figure 3; Renumbered Sequentially ...................... 1 1/06Revision 0: Initial Version
Changes to General Description Section .............................................. 1
Rev. H | Page 2 of 16