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PDF AD707 Data sheet ( Hoja de datos )
| Número de pieza | AD707 | |
| Descripción | Ultralow Drift Op Amp | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AD707 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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a
Ultralow Drift Op Amp
FEATURES
Very High DC Precision
15 V max Offset Voltage
0.1 V/؇C max Offset Voltage Drift
0.35 V p-p max Voltage Noise (0.1 Hz to 10 Hz}
8 V/V min Open-Loop Gain
130 dB min CMRR
120 dB min PSRR
1 nA max Input Bias Current
AC Performance
0.3 V/s Slew Rate
0.9 MHz Closed-Loop Bandwidth
Dual Version: AD708
Available in Tape and Reel in Accordance with
EIA-481A Standard
AD707
CONNECTION DIAGRAMS
TO-99 (H) Package
NULL
8
NULL 1
7 +VS
–IN 2
6 OUTPUT
AD707
+IN 3
5 NC
4
–VS
NC = NO CONNECT
NOTE: PIN 4 CONNECTED
TO CASE
Plastic (N) and
Cerdip (Q) Packages
SOIC (R) Package
PRODUCT DESCRIPTION
The AD707 is a low cost, high precision op amp with state-of-
the-art performance that makes it ideal for a wide range of
precision applications. The offset voltage spec of less than 15 µV
is the best available in a bipolar op amp, and maximum input
offset current is 1.0 nA. The top grade is the first bipolar
monolithic op amp to offer a maximum offset voltage drift of
0.1 µV/°C, and offset current drift and input bias current drift
are both specified at 25 pA/°C maximum.
The AD707’s open-loop gain is 8 V/µV minimum over the full
± 10 V output range when driving a 1 kΩ load. Maximum input
voltage noise is 350 nV p-p (0.1 Hz to 10 Hz). CMRR and
PSRR are 130 dB and 120 dB minimum, respectively.
The AD707 is available in versions specified over commercial,
industrial and military temperature ranges. It is offered in 8-pin
plastic mini-DIP, small outline (SOIC), hermetic cerdip and
hermetic TO-99 metal can packages. Chips, MIL-STD-883B,
Rev. C, and tape & reel parts are also available.
NULL 1
–IN 2
+IN 3
–VS 4
AD707
8 NULL
7 +VS
6 OUTPUT
5 NC
NC = NO CONNECT
NULL
–IN
+IN
–VS
18
4 AD707 5
NC = NO CONNECT
NULL
+VS
OUTPUT
NC
APPLICATION HIGHLIGHTS
1. The AD707’s 13 V/µV typical open-loop gain and 140 dB
typical common-mode rejection ratio make it ideal for
precision instrumentation applications.
2. The precision of the AD707 makes tighter error budgets
possible at a lower cost.
3. The low offset voltage drift and low noise of the AD707 allow
the designer to amplify very small signals without sacrificing
overall system performance.
4. The AD707 can be used where chopper amplifiers are
required, but without the inherent noise and application
problems.
5. The AD707 is an improved pin-for-pin replacement for the
LT1001.
REV. B
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.
© Analog Devices, Inc., 1995
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
1 page  
16
14
12
10
RL = 1kΩ
VOUT = ±10V
8
6
4
2
0
–60 –40 –20 0 20 40 60 80 100 120 140
TEMPERATURE – °C
Figure 10. Open-Loop Gain vs.
Temperature
16
14
12
RLOAD = 1kΩ
10
8
6
4
2
0
0 5 10 15 20 25
SUPPLY VOLTAGE – V
Figure 11. Open-Loop Gain vs.
Supply Voltage
AD707
140 0
120
RL = 2kΩ
30
CL = 1000pF
100 60
80 90
PHASE
60
MARGIN
120
=58°
40 150
GAIN
20 180
10
0
0.01 0.1 1 10 100 1k 10k 100k 1M 10M
FREQUENCY – Hz
Figure 12. Open-Loop Gain and
Phase vs. Frequency
160
140
120
100
80
60
40
20
0
0.1 1 10 100 1k 10k 100k 1M
FREQUENCY – Hz
Figure 13. Common-Mode
Rejection vs. Frequency
35
30
25
20
15
10
5
0
1k
FMAX = 3kHz
RL = 2kΩ
+25°C
VS = ± 15V
10k 100k
FREQUENCY – Hz
1M
Figure 14. Large Signal Frequency
Response
160
140
120
100
80
60
40
20
0
0.001 0.01 0.1 1 10 100 1k 10k 100k
FREQUENCY – Hz
Figure 15. Power Supply Rejection
vs. Frequency
4
3 +125°C
2 –55°C
+25°C
1
0
0 3 6 9 12 15 18 21 24
SUPPLY VOLTAGE – ±V
Figure 16. Supply Current vs.
Supply Voltage
20mV/DIV
TIME – 2µs/DIV
CH1
Figure 17. Small Signal Transient
Response; AV = +1, RL = 2 kΩ,
CL = 50 pF
20mV/DIV
TIME – 2µs/DIV
CH1
Figure 18. Small Signal Transient
Response; AV = +1, RL = 2 kΩ,
CL = 1000 pF
REV. B
–5–
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet AD707.PDF ] | |
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