AD5678BRUZ-1(RevA) Просмотр технического описания (PDF) - Analog Devices
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AD5678BRUZ-1
(Rev.:RevA)
(Rev.:RevA)
Analog Devices
AD5678BRUZ-1 Datasheet PDF : 28 Pages
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AD5678
TIMING CHARACTERISTICS
All input signals are specified with tr = tf = 1 ns/V (10% to 90% of VDD) and timed from a voltage level of (VIL + VIH)/2. See Figure 2.
VDD = 2.7 V to 5.5 V. All specifications TMIN to TMAX, unless otherwise noted.
Table 4.
Parameter
t1 1
t2
t3
t4
t5
t6
t7
t8
t9
t10
t11
t12
t13
t14
t15
Limit at TMIN, TMAX
VDD = 2.7 V to 5.5 V
20
8
8
13
4
4
0
15
13
0
10
15
5
0
300
Unit
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns typ
Conditions/Comments
SCLK cycle time
SCLK high time
SCLK low time
SYNC to SCLK falling edge set-up time
Data set-up time
Data hold time
SCLK falling edge to SYNC rising edge
Minimum SYNC high time
SYNC rising edge to SCLK fall ignore
SCLK falling edge to SYNC fall ignore
LDAC pulse width low
SCLK falling edge to LDAC rising edge
CLR pulse width low
SCLK falling edge to LDAC falling edge
CLR pulse activation time
1 Maximum SCLK frequency is 50 MHz at VDD = 2.7 V to 5.5 V. Guaranteed by design and characterization; not production tested.
t10
t1
t9
SCLK
t8
t4
t3
t2
t7
SYNC
DIN
LDAC1
DB31
t6
t5
DB0
t14
t11
t12
LDAC2
CLR
t13
VOUT
t15
1ASYNCHRONOUS LDAC UPDATE MODE.
2SYNCHRONOUS LDAC UPDATE MODE.
Figure 2. Serial Write Operation
Rev. A | Page 8 of 28
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