AVDD1 = DVDD " />
參數(shù)資料
型號: EVAL-AD7760EDZ
廠商: Analog Devices Inc
文件頁數(shù): 35/37頁
文件大?。?/td> 0K
描述: BOARD EVAL CONTROL AD7760
標(biāo)準包裝: 1
ADC 的數(shù)量: 1
位數(shù): 24
采樣率(每秒): 2.5M
數(shù)據(jù)接口: 并聯(lián)
輸入范圍: ±3.25 Vpp
在以下條件下的電源(標(biāo)準): 958mW @ 2.5MSPS
工作溫度: -40°C ~ 85°C
已用 IC / 零件: AD7760
已供物品: 板,CD
AD7760
Rev. A | Page 6 of 36
TIMING SPECIFICATIONS
AVDD1 = DVDD = VDRIVE = 2.5 V, AVDD2 = AVDD3 = AVDD4 = 5 V, TA = 25°C, normal mode, unless otherwise noted.
Table 3.
Parameter
Limit at TMIN, TMAX
Unit
Description
fMCLK
1
MHz min
Applied master clock frequency
40
MHz max
fICLK
500
kHz min
Internal modulator clock derived from MCLK
20
MHz max
t11, 2
0.5 × tICLK
typ
DRDY pulse width
t2
10
ns min
DRDY falling edge to CS falling edge
t3
3
ns min
RD/WR setup time to CS falling edge
t4
(0.5 × tICLK) + 16 ns
max
Data access time
t5
tICLK
min
CS low read pulse width
t6
tICLK
min
CS high pulse width between reads
t7
3
ns min
RD/WR hold time to CS rising edge
t8
11
ns max
Bus relinquish time
t92
0.5 × tICLK
typ
DRDY high period
t102
0.5 × tICLK
typ
DRDY low period
t11
(0.5 × tICLK) + 16 ns
max
Data access time
t123, 4
23
ns min
Data valid prior to DRDY rising edge
t133, 4
19
ns min
Data valid after DRDY rising edge
t14
11
ns max
Bus relinquish time
t15
4 × tICLK
min
CS low write pulse width
t16
4 × tICLK
min
CS high period between address and data
t17
5
ns min
Data setup time
t18
0
ns min
Data hold time
t194, 5
23
ns min
Data valid prior to MCLK falling edge while DRDY is logic low
t204, 5
19
ns min
Data valid after MCLK falling edge while DRDY is logic low
1 tICLK = 1/fICLK.
2 When ICLK = MCLK, DRDY pulse width depends on the mark-space ratio of applied MCLK.
3 Valid when using the modulator output mode with CDIV = 1.
4 See the Modulator Data Output Mode section for timing diagrams.
5 Valid when using the modulator output mode with CDIV = 0.
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