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INA128UA の電気的特性と機能

INA128UAのメーカーはBurr-Brown Corporationです、この部品の機能は「Precision/ Low Power INSTRUMENTATION AMPLIFIERS」です。


製品の詳細 ( Datasheet PDF )

部品番号 INA128UA
部品説明 Precision/ Low Power INSTRUMENTATION AMPLIFIERS
メーカ Burr-Brown Corporation
ロゴ Burr-Brown Corporation ロゴ 




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INA128UA Datasheet, INA128UA PDF,ピン配置, 機能
®
INA128
INA129
INA128
INA129
INA128
INA129
Precision, Low Power
INSTRUMENTATION AMPLIFIERS
FEATURES
q LOW OFFSET VOLTAGE: 50µV max
q LOW DRIFT: 0.5µV/°C max
q LOW INPUT BIAS CURRENT: 5nA max
q HIGH CMR: 120dB min
q INPUTS PROTECTED TO ±40V
q WIDE SUPPLY RANGE: ±2.25 to ±18V
q LOW QUIESCENT CURRENT: 700µA
q 8-PIN PLASTIC DIP, SO-8
APPLICATIONS
q BRIDGE AMPLIFIER
q THERMOCOUPLE AMPLIFIER
q RTD SENSOR AMPLIFIER
q MEDICAL INSTRUMENTATION
q DATA ACQUISITION
DESCRIPTION
The INA128 and INA129 are low power, general
purpose instrumentation amplifiers offering excellent
accuracy. Their versatile 3-op amp design and small
size make them ideal for a wide range of applications.
Current-feedback input circuitry provides wide band-
width even at high gain (200kHz at G = 100).
A single external resistor sets any gain from 1 to
10,000. INA128 provides an industry standard gain
equation; INA129’s gain equation is compatible with
the AD620.
The INA128/INA129 is laser trimmed for very low
offset voltage (50µV), drift (0.5µV/°C) and high com-
mon-mode rejection (120dB at G 100). It operates
with power supplies as low as ±2.25V, and quiescent
current is only 700µA—ideal for battery operated
systems. Internal input protection can withstand up to
±40V without damage.
The INA128/INA129 is available in 8-pin plastic
DIP, and SO-8 surface-mount packages, specified for
the –40°C to +85°C temperature range. The INA128
is also available in dual configuration, the INA2128.
2 Over-Voltage
VIN Protection
1
RG
8
+ 3 Over-Voltage
VIN Protection
A1
25k(1)
25k(1)
A2
V+
7
40k
INA128, INA129
40k
A3
6
INA128:
G = 1 + 50k
RG
INA129:
G = 1 + 49.4k
RG
VO
40k
40k
5
Ref
NOTE: (1) INA129: 24.7k
4
V–
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
©1995 Burr-Brown Corporation
PDS-1296C
Printed in U.S.A. October, 1996

1 Page





INA128UA pdf, ピン配列
PIN CONFIGURATION
8-Pin DIP and SO-8
RG 1
V–IN 2
V+IN 3
V– 4
Top View
8 RG
7 V+
6 VO
5 Ref
ABSOLUTE MAXIMUM RATINGS
Supply Voltage .................................................................................. ±18V
Analog Input Voltage Range ............................................................. ±40V
Output Short-Circuit (to ground) .............................................. Continuous
Operating Temperature ................................................. –40°C to +125°C
Storage Temperature ..................................................... –40°C to +125°C
Junction Temperature .................................................................... +150°C
Lead Temperature (soldering, 10s) ............................................... +300°C
ELECTROSTATIC
DISCHARGE SENSITIVITY
This integrated circuit can be damaged by ESD. Burr-Brown
recommends that all integrated circuits be handled with ap-
propriate 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.
ORDERING INFORMATION
PRODUCT
INA128PA
INA128P
INA128UA
INA128U
INA129PA
INA129P
INA129UA
INA129U
PACKAGE
8-Pin Plastic DIP
8-Pin Plastic DIP
SO-8 Surface-Mount
SO-8 Surface-Mount
8-Pin Plastic DIP
8-Pin Plastic DIP
SO-8 Surface-Mount
SO-8 Surface-Mount
PACKAGE
DRAWING
NUMBER(1)
006
006
182
182
006
006
182
182
TEMPERATURE
RANGE
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
NOTE: (1) For detailed drawing and dimension table, please see end of data
sheet, or Appendix C of Burr-Brown IC Data Book.
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes no responsibility
for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change without notice. No patent rights or
licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant any BURR-BROWN product for use in life support
devices and/or systems.


3Pages


INA128UA 電子部品, 半導体
TYPICAL PERFORMANCE CURVES (CONT)
At TA = +25°C, VS = ±15V, unless otherwise noted.
(V+)
(V+)–0.4
(V+)–0.8
(V+)–1.2
(V+)+1.2
(V–)+0.8
(V–)+0.4
V–
0
OUTPUT VOLTAGE SWING
vs OUTPUT CURRENT
123
Output Current (mA)
OUTPUT VOLTAGE SWING
vs POWER SUPPLY VOLTAGE
V+
(V+)–0.4
(V+)–0.8
(V+)–1.2
(V–)+1.2
RL = 10k
(V–)+0.8
+85°C
–40°C
(V–)+0.4
+25°C +85°C
–40°C
–40°C
+25°C
+85°C
V–
4 0 5 10 15 20
Power Supply Voltage (V)
18
16
14
12
10
8
6
4
2
0
–75
SHORT-CIRCUIT OUTPUT CURRENT
vs TEMPERATURE
–ISC
+ISC
–50 –25
0 25 50
Temperature (°C)
75 100
125
MAXIMUM OUTPUT VOLTAGE vs FREQUENCY
30 G = 10, 100
25 G = 1
20
G = 1000
15
10
5
0
1k
10k 100k
Frequency (Hz)
1M
TOTAL HARMONIC DISTORTION + NOISE
vs FREQUENCY
1
VO = 1Vrms
500kHz Measurement
Bandwidth
G=1
RL = 10k
0.1 G = 100, RL = 100k
0.01
G = 1, RL = 100k
Dashed Portion
is noise limited.
0.001
100 1k 10k
Frequency (Hz)
G = 10V/V
RL = 100k
100k

6 Page



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部品番号部品説明メーカ
INA128U

Precision/ Low Power INSTRUMENTATION AMPLIFIERS

Burr-Brown Corporation
Burr-Brown Corporation
INA128UA

Precision/ Low Power INSTRUMENTATION AMPLIFIERS

Burr-Brown Corporation
Burr-Brown Corporation


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