AMC7812B_15 Datasheet, PDF (14/92 Pages) Texas Instruments – 12-Bit Analog Monitoring and Control Solution with Multichannel ADC, DACs, and Temperature Sensors

AMC7812B
SBAS625A – SEPTEMBER 2013 – REVISED SEPTEMBER 2013
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TIMING CHARACTERISTICS: SPI Bus⁽¹⁾⁽²⁾
At –40°C to +105°C, AV_DD = DV_DD = 4.5 V to 5.5 V, AGND = DGND = 0 V, and IOV_DD = 3.0 V to 5.5 V, unless otherwise
noted.
PARAMETER
LIMIT AT T_MIN, T_MAX
MIN
MAX
UNIT
f_SCLK
t₁
t₂
t₃
t₄
t₅
t₆
t₇
t₈
t₉
t₁₀
Clock frequency, T_A = –40°C to +105°C
Clock frequency, T_A = –40°C to +125°C
SCLK cycle time
SCLK high time
SCLK low time
CS falling edge to SCLK rising edge setup time
Input data setup time
Input data hold time
SCLK falling edge to CS rising edge
Minimum CS high time
Output data valid time
CS rising to next SCLK rising edge
50 MHz
25 MHz
20
ns
8
ns
8
ns
5
ns
5
ns
4
ns
10
ns
30
ns
3
20
ns
3
ns
(1) Specified by design; not production tested.
(2) SDO loaded with 10-pF load capacitance for SDO timing specifications, t_R = t_F ≤ 5 ns.
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