參數(shù)資料
型號(hào)： PGA117AIPWRG4
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 模擬信號(hào)調(diào)理
英文描述： SPECIALTY ANALOG CIRCUIT, PDSO20
封裝： GREEN, PLASTIC, TSSOP-20
文件頁(yè)數(shù)： 1/47頁(yè)
文件大?。?/td> 1545K
代理商： PGA117AIPWRG4
PGA112
PGA113
PGA117
PGA116
1
FEATURES
APPLICATIONS
DESCRIPTION
10kW
ADC
G=1
R
F
R
I
Output
Stage
SPI
Interface
SCLK
DIO
CS
7
V
OUT
5
DV
DD
10
AV
DD
1
GND
6
V
REF
4
3
8
9
MSP430
Microcontroller
+3V
+5V
V
REF
PGA112
PGA113
V
/CH0
CAL
2
CH1
CAL3
CAL4
CAL1
CAL2
0.1V
CAL
0.9V
CAL
10kW
80kW
MUX
CAL2/3
C
0.1 F
BYPASS
m
C
0.1 F
BYPASS
m
C
0.1 F
BYPASS
m
www.ti.com ............................................................................................................................................ SBOS424B – MARCH 2008 – REVISED SEPTEMBER 2008
Zer-Drift
PROGRAMMABLE GAIN AMPLIFIER with MUX
Remote e-Meter Reading
23
Rail-to-Rail Input/Output
Automatic Gain Control
Offset: 25V (typ), 100V (max)
Portable Data Acquisition
Zer Drift: 0.35V/°C (typ), 1.2V/°C (max)
PC-Based Signal Acquisition Systems
Low Noise: 12nV/√Hz
Test and Measurement
Input Offset Current: ±5nA max (+25°C)
Programmable Logic Controllers
Gain Error: 0.1% max (G ≤ 32),
Battery-Powered Instruments
0.3% max (G > 32)
Handheld Test Equipment
Binary Gains: 1, 2, 4, 8, 16, 32, 64, 128
(PGA112, PGA116)
Scope Gains: 1, 2, 5, 10, 20, 50, 100, 200
The PGA112 and PGA113 (binary/scope gains) offer
(PGA113, PGA117)
two analog inputs, a three-pin SPI interface, and
Gain Switching Time: 200ns
software shutdown in an MSOP-10 package. The
Two Channel MUX: PGA112, PGA113
PGA116 and PGA117 (binary/scope gains) offer 10
10 Channel MUX: PGA116, PGA117
analog
inputs,
a
four-pin
SPI
interface
with
daisy-chain capability, and hardware and software
Four Internal Calibration Channels
shutdown in a TSSOP-20 package.
Amplifier Optimized for Driving CDAC ADCs
All versions provide internal calibration channels for
Output Swing: 50mV to Supply Rails
system-level calibration. The channels are tied to
AV
DD and DVDD for Mixed Voltage Systems
GND, 0.9VCAL, 0.1VCAL, and VREF, respectively. VCAL,
I
Q = 1.1mA (typ)
an external voltage connected to Channel 0, is used
as the system calibration reference. Binary gains are:
Software/Hardware Shutdown: I
Q ≤ 4A (typ)
1, 2, 4, 8, 16, 32, 64, and 128; scope gains are: 1, 2,
Temperature Range: –40°C to +125°C
5, 10, 20, 50, 100, and 200.
SPI Interface (10MHz) with Daisy-Chain
Capability
1
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.
2
SPI is a trademark of Motorola.
3
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright 2008, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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