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Электронный компонент: INA217

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Low-Noise, Low-Distortion
INSTRUMENTATION AMPLIFIER
Replacement for SSM2017
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
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.
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 40
C to +85
C.
APPLICATIONS
q
PROFESSIONAL MICROPHONE PREAMPS
q
MOVING-COIL TRANSDUCER AMPLIFIERS
q
DIFFERENTIAL RECEIVERS
q
BRIDGE TRANSDUCER AMPLIFIERS
FEATURES
q
LOW NOISE: 1.3nV/
Hz at 1kHz
q
LOW THD+N: 0.004% at 1kHz, G = 100
q
WIDE BANDWIDTH: 800kHz at G = 100
q
WIDE SUPPLY RANGE:
4.5V to
18V
q
HIGH CMR: > 100dB
q
GAIN SET WITH EXTERNAL RESISTOR
q
DIP-8 AND SOL-16 WIDEBODY PACKAGES
INA217
SBOS247A JUNE 2002 REVISED SEPTEMBER 2002
www.ti.com
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 2002, Texas Instruments Incorporated
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.
INA2
17
INA2
17
A1
A2
A3
6k
6k
6
4
5
2
1
8
3
6k
6k
V
IN
RG
1
V
IN
+
RG
2
7
V
V+
REF
INA217
G = 1 +
10k
R
G
5k
5k
V
OUT
INA217
2
SBOS247A
www.ti.com
SPECIFIED
PACKAGE
TEMPERATURE
PACKAGE
ORDERING
TRANSPORT
PRODUCT
PACKAGE-LEAD
DESIGNATOR
(1)
RANGE
MARKING
NUMBER
MEDIA, QUANTITY
INA217
SOL-16
DW
40
C to +125
C
INA217
INA217AIDWT
Tape and Reel, 250
"
"
"
"
"
INA217AIDWR
Tape and Reel, 1000
INA217
DIP-8
P
40
C to +125
C
INA217
INA217AIP
Rails, 50
NOTES: (1) For the most current specifications and package information, refer to our web site at www.ti.com.
Supply Voltage, V+ to V ..................................................................
18V
Signal Input Terminals, Voltage
(2)
.................. (V) 0.5V to (V+) + 0.5V
Current
(2)
.................................................... 10mA
Output Short-Circuit
(3)
.............................................................. Continuous
Operating Temperature .................................................. 55
C to +125
C
Storage Temperature ..................................................... 55
C to +150
C
Junction Temperature .................................................................... +150
C
Lead Temperature (soldering, 10s) ............................................... +300
C
NOTES: (1) Stresses above these ratings may cause permanent damage.
Exposure to absolute maximum conditions for extended periods may degrade
device reliability. (2) Input terminals are diode-clamped to the power-supply
rails. Input signals that can swing more than 0.5V beyond the supply rails
should be current limited to 10mA or less. (3) Short-circuit to ground, one
amplifier per package.
ABSOLUTE MAXIMUM RATINGS
(1)
PIN CONFIGURATIONS
Top View
ELECTROSTATIC
DISCHARGE SENSITIVITY
This integrated circuit can be damaged by ESD. Texas Instru-
ments recommends that all integrated circuits be handled with
appropriate precautions. Failure to observe proper handling
and installation procedures can cause damage.
ESD damage can range from subtle performance degradation
to complete device failure. Precision integrated circuits may be
more susceptible to damage because very small parametric
changes could cause the device not to meet its published
specifications.
NC
RG
2
NC
V+
NC
V
OUT
REF
NC
NC
RG
1
NC
V
IN
V
IN
+
NC
V
NC
SOL-16
NC = No Internal Connection
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
RG
2
V+
V
OUT
REF
RG
1
V
IN
V
IN
+
V
DIP-8
8
7
6
5
1
2
3
4
PACKAGE/ORDERING INFORMATION
INA217
3
SBOS247A
www.ti.com
INA217
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
GAIN EQUATION
G = 1 + 10k/R
G
Range
1 to 10000
V/V
Gain Error, G = 1
0.1
0.25
%
G = 10
0.2
0.7
%
G = 100
0.2
%
G = 1000
0.5
%
Gain Temp Drift Coefficient, G = 1
3
10
ppm/
C
G > 10
40
100
ppm/
C
Nonlinearity, G = 1
0.0003
% of FS
G = 100
0.0006
% of FS
INPUT STAGE NOISE
Voltage Noise
R
SOURCE
= 0
f
O
= 1kHz
1.3
nV/
Hz
f
O
= 100Hz
1.5
nV/
Hz
f
O
= 10Hz
3.5
nV/
Hz
Current Noise
f
O
= 1kHz
0.8
pA/
Hz
OUTPUT STAGE NOISE
Voltage Noise, f
O
= 1kHz
90
nV/
Hz
INPUT OFFSET VOLTAGE
Input Offset Voltage
V
CM
= V
OUT
= 0V
50 + 2000/G
250 + 5000/G
V
vs Temperature
T
A
= T
MIN
to T
MAX
1 + 20/G
V/
C
vs Power Supply
V
S
=
4.5V to
18V
1 + 50/G
3 + 200/G
V/V
INPUT VOLTAGE RANGE
Common-Mode Voltage Range
V
IN
+ V
IN
= 0V
(V+) 4
(V+) 3
V
V
IN
+ V
IN
= 0V
(V) + 4
(V) + 3
V
Common-Mode Rejection, G = 1
V
CM
=
11V, R
SRC
= 0
70
80
dB
G = 100
100
116
dB
INPUT BIAS CURRENT
Initial Bias Current
2
12
A
vs Temperature
10
nA/
C
Initial Offset Current
0.1
1
A
vs Temperature
0.5
nA/
C
INPUT IMPEDANCE
Differential
60
2
M
pF
Common-Mode
60
2
M
pF
DYNAMIC RESPONSE
Bandwidth, Small Signal, 3dB, G = 1
3.4
MHz
G = 100
800
kHz
Slew Rate
15
V/
s
THD+Noise, f = 1kHz
G = 100
0.004
%
Settling Time, 0.1%
G = 100, 10V Step
2
s
0.01%
G = 100, 10V Step
3.5
s
Overload Recovery
50% Overdrive
1
s
OUTPUT
Voltage
R
L
to GND
(V+) 2
(V+) 1.8
V
(V) + 2
(V) + 1.8
V
Load Capacitance Stability
1000
pF
Short-Circuit Current
Continuous-to-Common
60
mA
POWER SUPPLY
Rated Voltage
15
V
Voltage Range
4.5
18
V
Current, Quiescent
I
O
= 0mA
10
12
mA
TEMPERATURE RANGE
Specification
40
+85
C
Operating
40
+125
C
DIP-8
JA
85
C
SOL-16
90
C
NOTE: (1) Gain accuracy is a function of external R
G
.
ELECTRICAL CHARACTERISTICS: V
S
=
15V
Boldface limits apply over the specified temperature range, T
A
= 40
C to +85
C.
T
A
= +25
C, R
L
= 2k
, V
S
=
15V, unless otherwise noted.
INA217
4
SBOS247A
www.ti.com
TYPICAL CHARACTERISTICS
At T
A
= +25
C, V
S
=
15V, R
L
= 2k
, unless otherwise noted.
GAIN vs FREQUENCY
Gain (dB)
70
60
50
40
30
20
10
0
10
20
Frequency (Hz)
10k
100k
1M
10M
G = 1000
G = 100
G = 10
G = 1
CURRENT NOISE SPECTRAL DENSITY
10.0
Current Noise Density (pA/ Hz)
1
10
100
1k
10k
Frequency (Hz)
0.1
1
CMR vs FREQUENCY
Input Referred CMR (dB)
140
120
100
80
60
40
20
0
Frequency (Hz)
10
1M
100
1k
10k
100k
G = 1000
G = 100
G = 10
G = 1
POWER-SUPPLY REJECTION
vs FREQUENCY
Power-Supply Rejection (dB)
140
120
100
80
60
40
20
0
Frequency (Hz)
1
1M
10
100
1k
10k
100k
G = 10
G = 100, 1000
G = 1
0.1
0.01
0.001
0.0001
THD+N (%)
THD+N vs FREQUENCY
Frequency (Hz)
20
100
1k
10k 20k
V
O
= 7Vrms
R
L
= 10k
G = 10
G = 1
G = 100
G = 1000
NOISE VOLTAGE (RTI) vs FREQUENCY
Frequency (Hz)
10
100
1k
10k
1k
100
10
1
G = 500
G = 1000
G = 100
G = 10
G = 1
Noise (RTI) (nV/
Hz)
INA217
5
SBOS247A
www.ti.com
TYPICAL CHARACTERISTICS
(Cont.)
At T
A
= +25
C, V
S
=
15V, R
L
= 2k
, unless otherwise noted.
SETTLING TIME vs GAIN
Settling Time (
s)
Gain
1
10
100
1000
10
8
6
4
2
0
20V Step
0.01%
0.1%
OUTPUT VOLTAGE SWING vs OUTPUT CURRENT
V+
(V+) 2
(V+) 4
(V+) 6
(V) + 6
(V) + 4
(V) + 2
V
0
10
20
30
40
50
60
Output Current (mA)
Output Voltage to Rail (V)
SMALL-SIGNAL TRANSIENT RESPONSE
(G = 1)
20mV/div
2.5
s/div
SMALL-SIGNAL TRANSIENT RESPONSE
(G = 100)
20mV/div
10
s/div
LARGE-SIGNAL TRANSIENT RESPONSE
(G = 1)
5V/div
2.5
s/div
LARGE-SIGNAL TRANSIENT RESPONSE
(G = 100)
5V/div
2.5
s/div