Precision, Very Low Noise, Low Input Bias Current,
Wide Bandwidth JFET Operational Amplifiers
AD8510/AD8512/AD8513
FEATURES
PIN CONFIGURATIONS
Fast settling time: 500 ns to 0.1%
Low offset voltage: 400 μV maximum
Low TCVOS: 1 μV/°C typical
Low input bias current: 25 pA typical at VS = 15 V
Dual-supply operation: 5 V to 15 V
Low noise: 8 nV/√Hz typical at f = 1 kHz
Low distortion: 0.0005%
NULL
–IN
1
2
3
4
8
7
6
5
NC
NULL
–IN
1
2
3
4
8
7
6
5
NC
AD8510
TOP VIEW
AD8510
TOP VIEW
V+
V+
+IN
OUT
NULL
+IN
OUT
NULL
(Not to Scale)
(Not to Scale)
V–
V–
NC = NO CONNECT
NC = NO CONNECT
Figure 1. 8-Lead MSOP (RM Suffix)
Figure 2. 8-Lead SOIC_N (R Suffix)
No phase reversal
Unity gain stable
OUT A
–IN A
+IN A
V–
1
2
3
4
8
7
6
5
V+
OUT A
–IN A
+IN A
V–
1
2
3
4
8
7
6
5
V+
AD8512
TOP VIEW
OUT B
–IN B
+IN B
AD8512
OUT B
–IN B
+IN B
TOP VIEW
(Not to Scale)
(Not to Scale)
APPLICATIONS
Instrumentation
Multipole filters
Precision current measurement
Photodiode amplifiers
Sensors
Figure 3. 8-Lead MSOP (RM Suffix)
Figure 4. 8-Lead SOIC_N (R Suffix)
OUT A
–IN A
+IN A
V+
1
2
3
4
5
6
7
14 OUT D
13 –IN D
12 +IN D
11 V–
OUT A
–IN A
+IN A
V+
1
2
3
4
5
6
7
14 OUT D
13 –IN D
12 +IN D
11 V–
AD8513
TOP VIEW
AD8513
TOP VIEW
Audio
(Not to Scale)
(Not to Scale)
+IN B
–IN B
OUT B
10 +IN C
+IN B
–IN B
OUT B
10 +IN C
9
8
–IN C
9
8
–IN C
OUT C
OUT C
Figure 5. 14-Lead SOIC_N (R Suffix)
Figure 6. 14-Lead TSSOP (RU Suffix)
GENERAL DESCRIPTION
The AD8510/AD8512/AD8513 are single-, dual-, and quad-
precision JFET amplifiers that feature low offset voltage, input
bias current, input voltage noise, and input current noise.
Fast slew rate and great stability with capacitive loads make the
AD8510/AD8512/AD8513 a perfect fit for high performance
filters. Low input bias currents, low offset, and low noise result
in a wide dynamic range of photodiode amplifier circuits. Low
noise and distortion, high output current, and excellent speed
make the AD8510/AD8512/AD8513 great choices for audio
applications.
The combination of low offsets, low noise, and very low input
bias currents makes these amplifiers especially suitable for high
impedance sensor amplification and precise current measurements
using shunts. The combination of dc precision, low noise, and
fast settling time results in superior accuracy in medical
instruments, electronic measurement, and automated test
equipment. Unlike many competitive amplifiers, the AD8510/
AD8512/AD8513 maintain their fast settling performance even
with substantial capacitive loads. Unlike many older JFET
amplifiers, the AD8510/AD8512/AD8513 do not suffer from
output phase reversal when input voltages exceed the maximum
common-mode voltage range.
The AD8510/AD8512 are both available in 8-lead narrow SOIC_N
and 8-lead MSOP packages. MSOP-packaged parts are only
available in tape and reel. The AD8513 is available in 14-lead
SOIC_N and TSSOP packages.
The AD8510/AD8512/AD8513 are specified over the −40°C to
+125°C extended industrial temperature range.
Rev. I
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 that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registeredtrademarks arethe property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113 ©2002–2009 Analog Devices, Inc. All rights reserved.
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