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PDF INA102KP Data sheet ( Hoja de datos )
| Número de pieza | INA102KP | |
| Descripción | Low Power INSTRUMENTATION AMPLIFIER | |
| Fabricantes | Burr-Brown Corporation | |
| Logotipo |  |
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SBOS137
® INA102
ABRIDGED DATA SHEET
For Complete Data Sheet
Call Fax Line 1-800-548-6133
Request Document Number 10523
Low Power
INSTRUMENTATION AMPLIFIER
FEATURES
q LOW QUIESCENT CURRENT: 750µA max
q INTERNAL GAINS: 1, 10, 100, 1000
q LOW GAIN DRIFT: 5ppm/°C max
q HIGH CMR: 90dB min
q LOW OFFSET VOLTAGE DRIFT:
2µV/°C max
q LOW OFFSET VOLTAGE: 100µV max
q LOW NONLINEARITY: 0.01% max
q HIGH INPUT IMPEDANCE: 1010Ω
APPLICATIONS
q AMPLIFICATION OF SIGNALS FROM
SOURCES SUCH AS:
Strain Gages (Weigh Scale Applications)
Thermocouples
Bridge Transducers
q REMOTE TRANSDUCER AMPLIFIER
q LOW-LEVEL SIGNAL AMPLIFIER
q MEDICAL INSTRUMENTATION
q MULTICHANNEL SYSTEMS
q BATTERY POWERED EQUIPMENT
DESCRIPTION
The INA102 is a high-accuracy monolithic instrumen-
tation amplifier designed for signal conditioning
applications where low quiescent power is desired.
On-chip thin-film resistors provide excellent tempera-
ture and stability performance. State-of-the-art laser-
trimming technology insures high gain accuracy and
common-mode rejection while avoiding expensive
external components. These features make the INA102
ideally suited for battery-powered and high-volume
applications.
The INA102 is also convenient to use. A gain of 1, 10,
100, or 1000 may be selected by simply strapping the
appropriate pins together. A gain drift of 5ppm/°C in
low gains can then be achieved without external
adjustment. When higher-than-specified CMR is
required, CMR can be trimmed using the pins pro-
vided. In addition, balanced filtering can be accom-
plished in the output stage.
1 16
12 9
14
4.44kΩ
2
A1
V+ V–
5pF
404Ω
20kΩ
20kΩ
3
40.04Ω
4
5
5pF
5pF
20kΩ
A3
20kΩ
20kΩ
20kΩ
7
6
A2
15
5pF
13
11
10
8
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 • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
© 1985 Burr-Brown Corporation
PDS-523G
Printed in U.S.A. October, 1993
1 page  
TYPICAL PERFORMANCE CURVES (CONT)
At +25°C and in circuit of Figure 2 unless otherwise noted.
1000
900
800
700
600
500
400
300
200
100
0
0
QUIESCENT CURRENT vs SUPPLY
VO = 10V
(no load)
VO = 0
±5 ±10 ±15
Supply Voltage (V)
±20
±15
±10
±5
0
–5
–10
–15
0
STEP RESPONSE
G=1
G = 1000
RL = 10kΩ
CL = 1000pF
12345678
Time (ms)
10
1
0.1
0.01
1
SETTLING TIME vs GAIN
RL = 10kΩ
CL = 1000pF
0.01%
1%
0.1%
10 100
Gain (V/V)
1000
PEAK-PEAK VOLTAGE NOISE vs GAIN
1000
Bandwidth = 1Hz to 1MHz
100
10 RS
1
1
500kΩ
500kΩ
RS = 1MΩ
RS = 100kΩ
RS = 0
See Applications Section
10 100
Gain (V/V)
1000
1000
INPUT NOISE VOLTAGE vs FREQUENCY
100
10
1
G=1
G = 10
G = 100, G = 1000
10 100
1k
Frequency (Hz)
10k
POWER SUPPLY REJECTION vs FREQUENCY
125
100
75
50
25
0
1
Gain = 1000
Gain = 100
Gain = 10
Gain = 1
10 100 1k
Frequency (Hz)
10k
®
5 Page 
eIN
15 +15V
4 x1000
12
5
V1 6 INA102
11
eOUT
79
14 10
–15V
Ground Resistance
FIGURE 14. Ground Resistance Loop Eliminator (INA102 senses and amplifies V accurately).
1
+15V
∆ eIN
15 12
+In
3
x 100
7
INA102
6
14
–In
9
11
10
–15V
+15V
∆ eOUT
Overall Gain = ∆eOUT/∆eIN = 200
15 12
+In
3
x 100
7
INA102
6
14
–In
9
–15V
11
10
FIGURE 15. Differential Input/Differential Output Amplifier (twice the gain of one INA).
®
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet INA102KP.PDF ] | |
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