XTR106: 4-20mA Current Transmitter with Bridge Excitation And ...
XTR106: 4-20mA Current Transmitter with Bridge Excitation And ... XTR106: 4-20mA Current Transmitter with Bridge Excitation And ...
FUNCTIONAL DIAGRAMLinPolarityV REG12R LINV+1111014V REF 513V REF 2.5+ 5V IN4R GREFAmpBandgapV REF100µALinAmpCurrentDirectionSwitch5.1V975Ω25ΩB93EV IN–2I = 100µA + V INR G867I O = 4mA + V IN • ( )40R GI RET4www.ti.comXTR106SBOS092A
TYPICAL PERFORMANCE CURVESAt T A = +25°C, V+ = 24V, unless otherwise noted.Transconductance (20 log mA/V)605040302010TRANSCONDUCTANCE vs FREQUENCYC OUT = 0.01µFR G = 50ΩC OUT = 0.033µFC OUT connectedbetween V+ and I OR G = 1kΩR L = 250Ω4mA/div20mA4mAR G = 1kΩSTEP RESPONSEC OUT = 0.01µFR G = 50Ω0100 1k 10k 100k 1MFrequency (Hz)50µs/divCommon-Mode Rejection (dB)110100908070605040COMMON-MODE REJECTION vs FREQUENCYR G = 1kΩR G = 50ΩPower Supply Rejection (dB)16014012010080604020POWER SUPPLY REJECTION vs FREQUENCYC OUT = 0R G = 50ΩR G = 1kΩ3010 100 1k 10k 100k 1MFrequency (Hz)010 100 1k 10k 100k 1MFrequency (Hz)Percent of Units (%)9080706050403020INPUT OFFSET VOLTAGE DRIFTPRODUCTION DISTRIBUTIONTypical productiondistribution ofpackaged units.∆ V OS (µV)1.51.00.50–0.5–1.0–1.5INPUT OFFSET VOLTAGE CHANGEvs V REG and V REF CURRENTSV OS vs I REGV OS vs I REF10–2.0000.250.50.751.01.251.51.752.02.252.52.753.0–2.5–1.0 –0.5 0 0.5 1.0 1.5 2.0 2.5Current (mA)Offset Voltage Drift (µV/°C)XTR106 5SBOS092Awww.ti.com
- Page 3: PIN CONFIGURATIONTop ViewV REGV - I
- Page 7 and 8: TYPICAL PERFORMANCE CURVES (CONT)At
- Page 9 and 10: APPLICATIONS INFORMATIONFigure 1 sh
- Page 11 and 12: Figure 4, but not peaking exactly a
- Page 13 and 14: to the upper and lower sides of the
- Page 15 and 16: V REF 50.01µFSee ISO124 data sheet
- Page 19: IMPORTANT NOTICETexas Instruments I
TYPICAL PERFORMANCE CURVESAt T A = +25°C, V+ = 24V, unless otherwise noted.Transconductance (20 log mA/V)605040302010TRANSCONDUCTANCE vs FREQUENCYC OUT = 0.01µFR G = 50ΩC OUT = 0.033µFC OUT connectedbetween V+ and I OR G = 1kΩR L = 250Ω4mA/div<strong>20mA</strong>4mAR G = 1kΩSTEP RESPONSEC OUT = 0.01µFR G = 50Ω0100 1k 10k 100k 1MFrequency (Hz)50µs/divCommon-Mode Rejection (dB)110100908070605040COMMON-MODE REJECTION vs FREQUENCYR G = 1kΩR G = 50ΩPower Supply Rejection (dB)16014012010080604020POWER SUPPLY REJECTION vs FREQUENCYC OUT = 0R G = 50ΩR G = 1kΩ3010 100 1k 10k 100k 1MFrequency (Hz)010 100 1k 10k 100k 1MFrequency (Hz)Percent of Units (%)9080706050403020INPUT OFFSET VOLTAGE DRIFTPRODUCTION DISTRIBUTIONTypical productiondistribution ofpackaged units.∆ V OS (µV)1.51.00.50–0.5–1.0–1.5INPUT OFFSET VOLTAGE CHANGEvs V REG and V REF CURRENTSV OS vs I REGV OS vs I REF10–2.0000.250.50.751.01.251.51.752.02.252.52.753.0–2.5–1.0 –0.5 0 0.5 1.0 1.5 2.0 2.5<strong>Current</strong> (mA)Offset Voltage Drift (µV/°C)<strong>XTR106</strong> 5SBOS092Awww.ti.com
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