INA117
INA
117
INA
117
www.ti.com
High Common-Mode Voltage
DIFFERENCE AMPLIFIER
FEATURES
q
COMMON-MODE INPUT RANGE:
鹵
200V (V
S
=
鹵
15V)
q
PROTECTED INPUTS:
鹵
500V Common-Mode
鹵
500V Differential
q
UNITY GAIN: 0.02% Gain Error max
q
NONLINEARITY: 0.001% max
q
CMRR: 86dB min
APPLICATIONS
q
CURRENT MONITOR
q
BATTERY CELL-VOLTAGE MONITOR
q
GROUND BREAKER
q
INPUT PROTECTION
q
SIGNAL ACQUISITION IN NOISY
ENVIRONMENTS
q
FACTORY AUTOMATION
DESCRIPTION
The INA117 is a precision unity-gain difference
amplifier with very high common-mode input voltage
range. It is a single monolithic IC consisting of a
precision op amp and integrated thin-film resistor
network. It can accurately measure small differential
voltages in the presence of common-mode signals up
to
鹵200V.
The INA117 inputs are protected from
momentary common-mode or differential overloads
up to
鹵500V.
In many applications, where galvanic isolation is not
essential, the INA117 can replace isolation amplifiers.
This can eliminate costly isolated input-side power
supplies and their associated ripple, noise and quies-
cent current. The INA117鈥檚 0.001% nonlinearity and
200kHz bandwidth are superior to those of conven-
tional isolation amplifiers.
The INA117 is available in 8-pin plastic mini-DIP and
SO-8 surface-mount packages, specified for the 鈥?0擄C
to +85擄C temperature range. The metal TO-99 models
are available specified for the 鈥?0擄C to +85擄C and
鈥?5擄C to +125擄C temperature range.
21.11k鈩?/div>
Ref
B
1
380k鈩?/div>
鈥揑n
2
380k鈩?/div>
+In
3
20k鈩?/div>
V鈥?/div>
4
5
Ref
A
6
V
O
380k鈩?/div>
7
V+
8
Comp
Copyright 漏 2000, Texas Instruments Incorporated
SBOS154A
Printed in U.S.A. December, 2000
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INA117KU/2K5 產(chǎn)品屬性
Texas Instruments
差分放大器
1 Channel
0 dB
2 mV
66 dB
36 V
2 mA
SMD/SMT
SOIC-8
Reel
2500
200 V
-200 V
+/- 18 V
+ 85 C
- 40 C
INA117KU/2K5相關(guān)型號PDF文件下載
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