参数资料
型号: EVAL-AD5422LFEBZ
厂商: Analog Devices Inc
文件页数: 44/44页
文件大小: 0K
描述: BOARD EVAL FOR AD5422LFEBZ
标准包装: 1
系列: *
Data Sheet
AD5412/AD5422
Rev. I | Page 9 of 44
TIMING CHARACTERISTICS
AVDD = 10.8 V to 26.4 V, AVSS = 26.4 V to 3 V/0 V, AVDD + |AVSS| < 52.8V, GND = 0 V, REFIN = +5 V external; DVCC = 2.7 V to 5.5 V.
VOUT: RLOAD = 1 k, CL = 200 pF, IOUT: RLOAD = 300 Ω; all specifications TMIN to TMAX, unless otherwise noted.
Table 4.
Parameter1, 2, 3
Limit at TMIN, TMAX
Unit
Description
WRITE MODE
t1
33
ns min
SCLK cycle time
t2
13
ns min
SCLK low time
t3
13
ns min
SCLK high time
t4
13
ns min
LATCH delay time
t5
40
ns min
LATCH high time
t5
5
s min
LATCH high time (after a write to the control register)
t6
5
ns min
Data setup time
t7
5
ns min
Data hold time
t8
40
ns min
LATCH low time
t9
20
ns min
CLEAR pulse width
t10
5
s max
CLEAR activation time
READBACK MODE
t11
90
ns min
SCLK cycle time
t12
40
ns min
SCLK low time
t13
40
ns min
SCLK high time
t14
13
ns min
LATCH delay time
t15
40
ns min
LATCH high time
t16
5
ns min
Data setup time
t17
5
ns min
Data hold time
t18
40
ns min
LATCH low time
t19
35
ns max
Serial output delay time (CL SDO4 = 15 pF)
t20
35
ns max
LATCH rising edge to SDO tristate (CL SDO4 = 15 pF)
DAISY-CHAIN MODE
t21
90
ns min
SCLK cycle time
t22
40
ns min
SCLK low time
t23
40
ns min
SCLK high time
t24
13
ns min
LATCH delay time
t25
40
ns min
LATCH high time
t26
5
ns min
Data setup time
t27
5
ns min
Data hold time
t28
40
ns min
LATCH low time
t29
35
ns max
Serial output delay time (CL SDO4 = 15 pF)
1
Guaranteed by characterization; not production tested.
2
All input signals are specified with tR = tF = 5 ns (10% to 90% of DVCC) and timed from a voltage level of 1.2 V.
3
4
CL SDO = capacitive load on SDO output.
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