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TLV1570CPWR Datasheet(PDF) 15 Page - Texas Instruments |
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TLV1570CPWR Datasheet(HTML) 15 Page - Texas Instruments |
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15 / 33 page ![]() TLV1570 2.7 V TO 5.5 V 8-CHANNEL 10-BIT 1.25-MSPS SERIAL ANALOG-TO-DIGITAL CONVERTER SLAS169B – DECEMBER 1997– REVISED OCTOBER 2000 15 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 ac specifications (continued) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Analog Input Channel-to-channel crosstalk –75 dB BW Full power bandwidth –1 dB full-scale input sine wave 12 15 MHz BW Full-power bandwidth –3 dB full-scale input sine wave 25 MHz BW Small-signal bandwidth –1 dB 15 20 MHz BW Small-signal bandwidth –3 dB 35 MHz f Sampling rate AVDD = 5 V 0.0625 1.25 MSPS fs Sampling rate AVDD = 3 V 0.0625 0.625 MSPS timing requirements† PARAMETER TEST CONDITIONS MIN TYP MAX UNIT t (SCLK) SCLK cycle time DVDD = 5.5 V to 4.5 V 50 ns tc(SCLK) SCLK cycle time DVDD = 3.6 V to 2.7 V 100 tw(1) Pulse duration, chip select 100 ns t(s) Sampling period 6 SLCK cycles t(conv) Conversion period 10 SLCK cycles tsu(1) Setup time, FS to SCLK falling edge in DSP mode 5 ns th(1) Hold time, FS to SCLK falling edge in DSP mode 2 ns tsu(2) Setup time, FS to CS falling edge in DSP mode 5.5 ns th(2) Hold time, FS to CS falling edge in DSP mode 9 ns td(1) Delay time, FS falling edge to next SCLK falling edge in DSP mode 6 ns td(2) Delay time, SCLK rising edge after CS falling edge in µC mode 4 ns td(3) Delay time, output after SCLK rising edge in µC mode and DSP mode 10 20 ns tsu(3) Setup time, serial input data to SCLK falling edge 10 ns th(3) Hold time, serial input data to SCLK falling edge 4 ns tr Rise time 3 200 ns † Specifications subject to change without notice. |
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