廬
INA
157
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:
鹵
500
碌
V max
q
LOW OFFSET DRIFT:
鹵
2
碌
V/
擄
C
q
LOW GAIN ERROR:
鹵
0.05% max
q
WIDE BANDWIDTH: 3MHz
q
HIGH SLEW RATE: 14V/
碌
s
q
FAST SETTLING TIME: 3
碌
s to 0.01%
q
WIDE SUPPLY RANGE:
鹵
4V to
鹵
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
V+
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
鹵4V
to
鹵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, 鈥?0擄C
to +85擄C.
7
12k鈩?/div>
6k鈩?/div>
鈥揑n
2
5
Sense
6
Output
+In
3
12k鈩?/div>
6k鈩?/div>
1
Ref
4
V鈥?/div>
International Airport Industrial Park 鈥?Mailing Address: PO Box 11400, Tucson, AZ 85734 鈥?Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 鈥?Tel: (520) 746-1111
Twx: 910-952-1111 鈥?Internet: http://www.burr-brown.com/ 鈥?Cable: BBRCORP 鈥?Telex: 066-6491 鈥?FAX: (520) 889-1510 鈥?Immediate Product Info: (800) 548-6132
漏
1999 Burr-Brown Corporation
PDS-1483B
Printed in U.S.A. March, 1999
SBOS105
INA157U/2K5相關(guān)型號PDF文件下載
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