INA217
INA
217
INA
21 7
SBOS247A 鈥?JUNE 2002 鈥?REVISED SEPTEMBER 2002
Low-Noise, Low-Distortion
INSTRUMENTATION AMPLIFIER
Replacement for SSM2017
FEATURES
q
q
q
q
q
q
q
LOW NOISE: 1.3nV/鈭欻z at 1kHz
LOW THD+N: 0.004% at 1kHz, G = 100
WIDE BANDWIDTH: 800kHz at G = 100
WIDE SUPPLY RANGE:
鹵
4.5V to
鹵
18V
HIGH CMR: > 100dB
GAIN SET WITH EXTERNAL RESISTOR
DIP-8 AND SOL-16 WIDEBODY PACKAGES
DESCRIPTION
The INA217 is a low-noise, low-distortion, monolithic instru-
mentation amplifier. Current-feedback circuitry allows the
INA217 to achieve wide bandwidth and excellent dynamic
response over a wide range of gain. The INA217 is ideal for
low-level audio signals such as balanced low-impedance
microphones. Many industrial, instrumentation, and medical
applications also benefit from its low noise and wide band-
width.
Unique distortion cancellation circuitry reduces distortion to
extremely low levels, even in high gain. The INA217 provides
near-theoretical noise performance for 200鈩?source imped-
ance. The INA217 features differential input, low noise, and
low distortion that provides superior performance in profes-
sional microphone amplifier applications.
The INA217 features wide supply voltage, excellent output
voltage swing, and high output current drive making it an
optimal candidate for use in high-level audio stages.
V+
7
INA217
APPLICATIONS
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PROFESSIONAL MICROPHONE PREAMPS
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MOVING-COIL TRANSDUCER AMPLIFIERS
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DIFFERENTIAL RECEIVERS
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BRIDGE TRANSDUCER AMPLIFIERS
V
IN
鈥?/div>
RG
1
2
1
A1
5k鈩?/div>
The INA217 is available in the same DIP-8 and SOL-16 wide
body packages and pin outs as the SSM2017. For a smaller
package, see the INA163 in SO-14 narrow. The INA217 is
specified over the temperature range of 鈥?0擄C to +85擄C.
6k鈩?/div>
6k鈩?/div>
A3
5k鈩?/div>
8
A2
V
IN
+
3
6
V
OUT
10k鈩?/div>
R
G
G=1+
RG
2
6k鈩?/div>
6k鈩?/div>
4
V鈥?/div>
5
REF
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright 漏 2002, Texas Instruments Incorporated
www.ti.com
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