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PDF PGA207UA Data sheet ( Hoja de datos )
| Número de pieza | PGA207UA | |
| Descripción | High-Speed Programmable Gain INSTRUMENTATION AMPLIFIER | |
| Fabricantes | Burr-Brown Corporation | |
| Logotipo |  |
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®
PGA206
PGA207
PGA206
PGA207
High-Speed Programmable Gain
INSTRUMENTATION AMPLIFIER
FEATURES
q DIGITALLY PROGRAMMABLE GAINS:
PGA206: G=1, 2, 4, 8V/V
PGA207: G=1, 2, 5, 10V/V
q TRUE INSTRUMENTATION AMP INPUT
q FAST SETTLING: 3.5µs to 0.01%
q FET INPUT: IB = 100pA max
q INPUT PROTECTION: ±40V
q LOW OFFSET VOLTAGE: 1.5mV max
q 16-PIN DIP, SOL-16 SOIC PACKAGES
APPLICATIONS
q MULTIPLE-CHANNEL DATA ACQUISITION
q MEDICAL, PHYSIOLOGICAL AMPLIFIER
q PC-CONTROLLED ANALOG INPUT
BOARDS
DESCRIPTION
The PGA206 and PGA207 are digitally programmable
gain instrumentation amplifiers that are ideally suited
for data acquisition systems.
The PGA206 and PGA207’s fast settling time allows
multiplexed input channels for excellent system effi-
ciency. FET inputs eliminate IB errors due to analog
multiplexer series resistance.
Gains are selected by two CMOS/TTL-compatible
address lines. Analog inputs are internally protected
for overloads up to ±40V, even with the power sup-
plies off. The PGA206 and PGA207 are laser-trimmed
for low offset voltage and low drift.
The PGA206 and PGA207 are available in 16-pin
plastic DIP and SOL-16 surface-mount packages. Both
are specified for –40°C to +85°C operation.
– 4 Over-Voltage
VIN Protection
A1
VO1 V+
1 13
10kΩ
A1
A0
Digital
Ground
16
15
14
Digitally Selected
Feedback Network
+ 5 Over-Voltage
VIN Protection
A2
10kΩ
6 79
8
VOS
VO2
Adj
V–
PGA206
PGA207 Feedback
10kΩ
12
A3 11 VO
10kΩ
Ref
10
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
Internet: http://www.burr-brown.com/ • FAXLine: (800) 548-6133 (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
©1994 Burr-Brown Corporation
PDS-1241B
Printed in U.S.A. May, 1995
1 page  
TYPICAL PERFORMANCE CURVES (CONT)
At TA = +25°C, and VS = ±15V, unless otherwise noted.
INPUT OVER-VOLTAGE V/I CHARACTERISTIC
6
+15V
4I
V
2
–15V
0
–2 Input current increases when the applied
voltage exceeds the power supply voltage.
–4 This V/I characteristic does not vary with
the voltage applied to the other input.
–6
–40 –30 –20 –10
0
10 20 30 40
Input Voltage (V)
100
50
0
–50
–100
0
OFFSET VOLTAGE WARM-UP TIME
1 23
Time After Turn-On (minutes)
4
OFFSET VOLTAGE TEMPERATURE DRIFT
PRODUCTION DISTRIBUTION
35
Typical production distribution
30 of packaged units.
G = 8, 10V/V
25
20
15
10
5
0
–10 –8 –6 –4 –2 0 2 4 6
Offset Voltage Drift (µV/°C)
8 10
QUIESCENT CURRENT
vs POWER SUPPLY VOLTAGE
14
13
12 –55°C
+25°C
+125°C
11 –55°C
+25°C
+125°C
10
9
0 ±5 ±10 ±15
Power Supply Voltage (V)
+IQ
–IQ
±20
MAXIMUM OUTPUT VOLTAGE vs FREQUENCY
G = 10V/V
30
20 G = 2V/V
10
Maximum output voltage
without slew-rate limiting or
other large-signal distortion.
Dotted region is beyond
small signal bandwidth.
1
100k
1M
Frequency (Hz)
G = 1V/V
10M
0.1
0.01
TOTAL HARMONIC DISTORTION + NOISE
vs FREQUENCY
VO = 6Vrms
G=1
RL = 2kΩ
RL = 2kΩ
RL = ∞
G = 10V/V
0.001
10
G = 1V/V
100 1k 10k
Frequency (Hz)
100k
®
5 PGA206/207
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet PGA207UA.PDF ] | |
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