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PDF INA157 Data sheet ( Hoja de datos )
| Número de pieza | INA157 | |
| Descripción | High-Speed/ Precision DIFFERENCE AMPLIFIER | |
| Fabricantes | Burr-Brown Corporation | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de INA157 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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®
INA157
INA157
For most current data sheet and other product
information, visit www.burr-brown.com
High-Speed, Precision
DIFFERENCE AMPLIFIER
FEATURES
q DESIGNED FOR LOW COST
q LOW OFFSET VOLTAGE: ±500µV max
q LOW OFFSET DRIFT: ±2µV/°C
q LOW GAIN ERROR: ±0.05% max
q WIDE BANDWIDTH: 3MHz
q HIGH SLEW RATE: 14V/µs
q FAST SETTLING TIME: 3µs to 0.01%
q WIDE SUPPLY RANGE: ±4V to ±18V
q LOW QUIESCENT CURRENT: 2.4mA
q SO-8 SURFACE-MOUNT PACKAGE
APPLICATIONS
q DIFFERENTIAL INPUT AMPLIFIER
q INSTRUMENTATION AMPLIFIER
BUILDING BLOCK
q G = 1/2 AMPLIFIER
q G = 2 AMPLIFIER
q DIFFERENTIAL CURRENT RECEIVER
q VOLTAGE-CONTROLLED CURRENT SOURCE
q GROUND LOOP ELIMINATOR
q CURRENT SHUNT MONITOR
DESCRIPTION
The INA157 is a high slew rate, G = 1/2 or G = 2
difference amplifier consisting of a precision op amp
with a precision resistor network. The on-chip resis-
tors are laser trimmed for accurate gain and high
common-mode rejection. Excellent TCR tracking of
the resistors maintains gain accuracy and common-
mode rejection over temperature. The input common-
mode voltage range extends beyond the positive and
negative supply rails. It operates on ±4V to ±18V
supplies.
The difference amplifier is the foundation of many
commonly used circuits. The INA157 provides this
circuit function without using an expensive precision
resistor network. The INA157 is available in a SO-8
surface-mount package and is specified for operation
over the extended industrial temperature range, –40°C
to +85°C.
12kΩ
–In 2
V+
7
6kΩ
5 Sense
12kΩ
3
+In
6kΩ
4
V–
6 Output
1 Ref
International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111
Twx: 910-952-1111 • Internet: http://www.burr-brown.com/ • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
©1999 Burr-Brown Corporation
PDS-1483B
Printed in U.S.A. March, 1999
1 page  
TYPICAL PERFORMANCE CURVES (CONT)
At TA = +25°C, VS = ±15V, and G = 1/2, unless otherwise noted.
QUIESCENT CURRENT vs TEMPERATURE
4
3
2
1
0
–75 –50 –25
0
25 50
Temperature (°C)
75 100 125
SLEW RATE vs TEMPERATURE
16
–SR
14
+SR
12
10
8
–75 –50 –25
0
25 50
Temperature (°C)
75 100 125
SHORT-CIRCUIT CURRENT vs TEMPERATURE
80
60
40
+ISC
20
0
–20
–ISC
–40
–60
–80
–75 –50 –25
0
25 50
Temperature (°C)
75 100 125
OUTPUT VOLTAGE NOISE SPECTRAL DENSITY
vs FREQUENCY
10k
1k
100
10
1
10 100 1k 10k 100k 1M
Frequency (Hz)
OUTPUT VOLTAGE SWING vs OUTPUT CURRENT
14
13
12
11 125°C
10
85°C
9
–55°C
25°C
–9
–10
–11
–12
–13
–14
0
125°C
85°C
25°C
–55°C
±20 ±40 ±60
Output Current (mA)
±80
OUTPUT NOISE VOLTAGE
vs NOISE BANDWIDTH
100
10
1
0.1
1
10 100 1k 10k 100k
Frequency (Hz)
®
5 INA157
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet INA157.PDF ] | |
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