INA159
SBOS333B 鈭?JULY 2005 鈭?REVISED OCTOBER 2005
Precision, Gain of 0.2 Level Translation
DIFFERENCE AMPLIFIER
FEATURES
D
D
D
D
D
D
D
GAIN OF 0.2 TO INTERFACE
鹵10V
SIGNALS
TO SINGLE-SUPPLY ADCs
GAIN ACCURACY:
鹵0.024%
(max)
WIDE BANDWIDTH: 1.5MHz
HIGH SLEW RATE: 15V/碌s
LOW OFFSET VOLTAGE:
鹵100碌V
LOW OFFSET DRIFT:
鹵1.5碌V/擄C
SINGLE-SUPPLY OPERATION DOWN TO 1.8V
DESCRIPTION
The INA159 is a high slew rate, G = 1/5 difference amplifier
consisting of a precision op amp with a precision resistor
network. The gain of 1/5 makes the INA159 useful to
couple
鹵10V
signals to single-supply analog-to-digital
converters (ADCs), particularly those operating on a single
+5V supply. The on-chip resistors are laser-trimmed for
accurate gain and high common-mode rejection. Excellent
temperature coefficient of resistance (TCR) tracking of the
resistors maintains gain accuracy and common-mode
rejection over temperature. The input common-mode
voltage range extends beyond the positive and negative
supply rails. It operates on a total of +1.8V to +5.5V single
or split supplies. The INA159 reference input uses two
resistors for easy mid-supply or reference biasing.
The difference amplifier is the foundation of many
commonly-used circuits. The INA159 provides this circuit
function without using an expensive external precision
resistor network. The INA159 is available in an MSOP-8
surface-mount package and is specified for operation over
the extended industrial temperature range, 鈭?0擄C to
+125擄C.
V
REF
APPLICATIONS
D
INDUSTRIAL PROCESS CONTROLS
D
INSTRUMENTATION
D
DIFFERENTIAL TO SINGLE-ENDED
D
CONVERSION
AUDIO LINE RECEIVERS
5V
V+
鈭捍N
100k鈩?/div>
20k鈩?/div>
SENSE
REF
R
1
100鈩?/div>
C
1
1000pF
V
IN
+IN
100k鈩?/div>
40k鈩?/div>
REF 2
+IN
鈭捍N
V+
D
OUT
ADS8325
ADC
DCLOCK
CS
GND
40k鈩?/div>
INA159
REF 1
Figure 1. Typical Application
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.
All trademarks are the property of their respective owners.
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
錚?/div>
2005, Texas Instruments Incorporated
www.ti.com
INA159AIDGKTG4 產(chǎn)品屬性
250
集成電路 (IC)
Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps
-
差分
1
-
15 V/µs
-
1.5MHz
-
100µV
1.1mA
60mA
1.8 V ~ 5.5 V，±0.9 V ~ 2.75 V
-40°C ~ 125°C
表面貼裝
8-TSSOP，8-MSOP（0.118"，3.00mm 寬）
8-MSOP
帶卷 (TR)
INA159AIDGKTG4相關(guān)型號PDF文件下載
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