ADS5403 Datasheet, PDF (27/44 Pages) Texas Instruments – Single Channel 12-Bit 500Msps Analog to Digital Converter

ADS5403
www.ti.com
SLAS944B – FEBRUARY 2013 – REVISED JANUARY 2014
3. Initiate a serial interface cycle specifying the address of the register (A6 to A0) whose content has to be
written
4. Write 16bit data which is latched on the rising edge of SCLK
SCLK
SDENB
SDIO
RWB A6 A5 A4 A3 A2 A1 A0 D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
Read = 1
Write = 0
7 bit address space
16bit data: D15 is MSB, D0 is LSB
Figure 39. Serial Register Write Timing Diagram
f_SCLK
t_SLOADS
t_SLOADH
t_DSU
t_DH
PARAMETER
SCLK frequency (equal to 1/tSCLK)
SDENB to SCLK setup time
SCLK to SDENB hold time
SDIO setup time
SDIO hold time
MIN
>DC
25
25
25
25
TYP ⁽¹⁾
MAX
20
UNIT
MHz
ns
ns
ns
ns
(1) Typical values at +25°C; minimum and maximum values across the full temperature range: TMIN = –40°C to TMAX = +85°C, AVDD3V
= 3.3V, AVDD, DRVDD = 1.9V, unless otherwise noted.
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