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TDC1000QPWRQ1 Fiches technique(PDF) 3 Page - Texas Instruments |
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TDC1000QPWRQ1 Fiches technique(HTML) 3 Page - Texas Instruments |
3 / 60 page RX1 RX2 VCOM PGAIN PGAOUT TX1 TX2 GND CLKIN COMPIN RTD1 RTD2 VIO SDO RREF CHSEL ERRB SDI CSB SCLK START STOP LNAOUT RESET TRIGGER EN VDD VDD 2 3 1 4 5 6 7 9 8 10 11 12 13 14 27 26 28 25 24 23 22 20 21 19 18 17 16 15 TDC1000, TDC1000-Q1 www.ti.com SNAS648B – OCTOBER 2014 – REVISED AUGUST 2015 5 Pin Configuration and Functions TSSOP 28 Pin PW Top View Pin Functions PIN TYPE(1) DESCRIPTION NAME NO. RX1 1 I Receive input 1 RX2 2 I Receive input 2 VCOM 3 P Output common mode voltage bias LNAOUT 4 O Low noise amplifier output (for ac decoupling capacitor) PGAIN 5 I Programmable gain amplifier input PGAOUT 6 O Programmable gain amplifier output COMPIN 7 I Echo qualification and zero-crossing detector input RTD1 8 O Resistance temperature detector channel 1 RTD2 9 O Resistance temperature detector channel 2 RREF 10 O Reference resistor for temperature measurement CHSEL 11 I External channel selection ERRB 12 O Error flag (open drain) START 13 O Start pulse output STOP 14 O Stop pulse output EN 15 I Enable (active high; when low the TDC1000 is in SLEEP mode) TRIGGER 16 I Trigger input RESET 17 I Reset (active high) SCLK 18 I Serial clock for the SPI interface CSB 19 I Chip select for the SPI interface (active low) SDI 20 I Serial data input for the SPI interface SDO 21 O Serial data output for the SPI interface VIO 22 P Positive I/O supply VDD(2) 23, 24 P Positive supply; all VDD supply pins must be connected to the supply. CLKIN 25 I Clock input GND 26 G Negative supply (1) G = Ground, I = Input, O = Output, P = Power (2) Place a 100-nF bypass capacitor to ground in closest proximity of the pin Copyright © 2014–2015, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: TDC1000 TDC1000-Q1 |
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