AMC1304L05_15 Datasheet, PDF (10/39 Pages) Texas Instruments – AMC1304x High-Precision,Reinforced Isolated Delta-Sigma Modulators with LDO

AMC1304L05, AMC1304L25, AMC1304M05, AMC1304M25
SBAS655C – SEPTEMBER 2014 – REVISED SEPTEMBER 2015
7.7 Switching Characteristics
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
t_CLK
t_HIGH
t_LOW
t_D
CLKIN, CLKIN_N clock period
CLKIN, CLKIN_N clock high time
CLKIN, CLKIN_N clock low time
Falling edge of CLKIN, CLKIN_N to
DOUT, DOUT_N valid delay
t_ISTART Interface startup time
DVDD at 3.0 V (min) to DOUT,
DOUT_N valid with LDO_IN > 4 V
t_ASTART Analog startup time
LDOIN step to 4 V with DVDD ≥ 3.0 V,
and 0.1 µF at VCAP pin
MIN
49.75
19.9
19.9
0
32
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TYP
MAX UNIT
50
200 ns
25
120 ns
25
120 ns
15 ns
32
CLKIN
cycles
1
ms
CLKIN
t_CLK
t_HIGH
CLKIN_N
DOUT
t_LOW
t_D
DOUT_N
Figure 1. Digital Interface Timing
DVDD
CLKIN
DOUT
...
Data not valid
Valid data
t_ISTART = 32 CLKIN cycles
Figure 2. Digital Interface Startup Timing
10
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