参数资料
型号: EVAL-AD5764REBZ
厂商: Analog Devices Inc
文件页数: 30/32页
文件大小: 0K
描述: EVAL BOARD FOR AD5764
标准包装: 1
DAC 的数量: 4
位数: 16
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
设置时间: 8µs
DAC 型: 电压
工作温度: -40°C ~ 85°C
已供物品: 板,CD
已用 IC / 零件: AD5764R
Data Sheet
AD5764R
Rev. D | Page 7 of 32
TIMING CHARACTERISTICS
AVDD = 11.4 V to 16.5 V, AVSS = 11.4 V to 16.5 V, AGND = DGND = REFGND = PGND = 0 V; REFAB = REFCD = 5 V external;
DVCC = 2.7 V to 5.25 V, RLOAD = 10 k, CL = 200 pF. All specifications TMIN to TMAX, unless otherwise noted.
Table 3.
Parameter1, 2, 3
Limit at TMIN, TMAX
Unit
Description
t1
33
ns min
SCLK cycle time
t2
13
ns min
SCLK high time
t3
13
ns min
SCLK low time
t4
13
ns min
SYNC falling edge to SCLK falling edge setup time
t54
13
ns min
24th SCLK falling edge to SYNC rising edge
t6
90
ns min
Minimum SYNC high time
t7
2
ns min
Data setup time
t8
5
ns min
Data hold time
t9
1.7
s min
SYNC rising edge to LDAC falling edge (all DACs updated)
480
ns min
SYNC rising edge to LDAC falling edge (single DAC updated)
t10
10
ns min
LDAC pulse width low
t11
500
ns max
LDAC falling edge to DAC output response time
t12
10
s max
DAC output settling time
t13
10
ns min
CLR pulse width low
t14
2
s max
CLR pulse activation time
25
ns max
SCLK rising edge to SDO valid
t16
13
ns min
SYNC rising edge to SCLK falling edge
t17
2
s max
SYNC rising edge to DAC output response time (LDAC = 0)
t18
170
ns min
LDAC falling edge to SYNC rising edge
1
Guaranteed by design and 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
Standalone mode only.
5
Measured with the load circuit of Figure 5.
6
Daisy-chain mode only.
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