參數(shù)資料
型號(hào)： XTR104
英文描述： A/D Converter (A-D) IC; Resolution (Bits):20; Sample Rate:100SPS; Input Channels Per ADC:4; Input Channel Type:Differential; Data Interface:Serial; Package/Case:24-SOIC; Leaded Process Compatible:No; No. of Bits:20 RoHS Compliant: Yes
中文描述： 4 - 20mA電流變送器的電橋的激勵(lì)和線性化
文件頁數(shù)： 1/11頁
文件大小： 165K
代理商： XTR104
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
XTR104
4-20mA Current Transmitter with
BRIDGE EXCITATION AND LINEARIZATION
APPLICATIONS
G
INDUSTRIAL PROCESS CONTROL
G
FACTORY AUTOMATION
G
SCADA
G
WEIGHTING SYSTEMS
G
ACCELEROMETERS
FEATURES
G
LESS THAN
±
1% TOTAL ADJUSTED
ERROR, –40
°
C TO +85
°
C
G
BRIDGE EXCITATION AND LINEARIZATION
G
WIDE SUPPLY RANGE: 9V to 40V
G
LOW SPAN DRIFT: 50ppm/
°
C max
G
HIGH PSR: 110dB min
G
HIGH CMR: 80dB min
DESCRIPTION
The XTR104 is a monolithic 4-20mA, two-wire cur-
rent transmitter integrated circuit designed for bridge
input signals. It provides complete bridge excitation,
instrumentation amplifier, linearization, and current
output circuitry necessary for high impedance strain
gage sensors.
The instrumentation amplifier can be used over a wide
range of gain, accommodating a variety of input signals
and sensors. Total adjusted error of the complete current
transmitter, including the linearized bridge is less than
±
1% over the full –40
°
C to +85
°
C temperature range.
This includes zero drift, span drift and non-linearity for
bridge outputs as low as 10mV. The XTR104 operates
on loop power supply voltages down to 9V.
Linearization circuitry consists of a second, fully inde-
pendent instrumentation amplifier that controls the bridge
excitation voltage. It provides second-order correction
to the transfer function, typically achieving a 20:1
improvement in nonlinearity, even with low cost trans-
ducers.
The XTR104 is available in 16-pin plastic DIP and
SOL-16 surface-mount packages specified for the
–40
°
C to +85
°
C temperature range.
XTR104
R
G
R
L
4-20 mA
R
LIN
9V to 40V
–
+
V
O
V
PS
BRIDGE NONLINEARITY CORRECTION
USING XTR104
0mV
Bridge Output
10mV
2.0
1.5
1.0
0.5
0
–0.5
Uncorrected
Bridge Output
Corrected
5mV
N
1992 Burr-Brown Corporation
PDS-1146B
Printed in U.S.A. September, 1993
相關(guān)PDF資料
PDF描述
XTR104AP 4-20mA Current Transmitter with BRIDGE EXCITATION AND LINEARIZATION
XTR104AU A/D Converter (A-D) IC; Resolution (Bits):16; Sample Rate:100SPS; Input Channels Per ADC:1; Input Channel Type:Differential; Data Interface:Serial; Package/Case:20-DIP; DNL +/-:0.5LSB; Leaded Process Compatible:No; No. of Bits:16 RoHS Compliant: No
XTR104BP 4-20mA Current Transmitter with BRIDGE EXCITATION AND LINEARIZATION
XTR104BU A/D Converter (A-D) IC; Resolution (Bits):16; Sample Rate:100SPS; Input Channels Per ADC:1; Input Channel Type:Differential; Data Interface:Serial; Package/Case:20-SOIC; DNL +/-:0.5LSB; Leaded Process Compatible:No; No. of Bits:16 RoHS Compliant: No
XTR106 A/D Converter (A-D) IC; Resolution (Bits):16; Sample Rate:212SPS; Input Channels Per ADC:1; Input Channel Type:Differential; Data Interface:Serial; Package/Case:8-SOIC; Leaded Process Compatible:No; No. of Bits:18 RoHS Compliant: Yes
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XTR104AP 制造商:BB 制造商全稱:BB 功能描述:4-20mA Current Transmitter with BRIDGE EXCITATION AND LINEARIZATION
XTR104AU 制造商:Rochester Electronics LLC 功能描述:4-20 MA XMITTER - Bulk
XTR104BP 制造商:Texas Instruments 功能描述:IC 4-20 MA I-TRANSMITTER 16-DIP
XTR104BU 制造商:Texas Instruments 功能描述:
XTR105 制造商:BB 制造商全稱:BB 功能描述:4-20mA CURRENT TRANSMITTER with Sensor Excitation and Linearization
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