參數(shù)資料
型號： AD7623
廠商： Analog Devices, Inc.
英文描述： 16-Bit, 750 kSPS, Unipolar/Bipolar Programmable Input PulSAR ADC
中文描述： 16位，750 kSPS的，單極/雙極可編程輸入PulSAR系列ADC的
文件頁數(shù)： 5/32頁
文件大?。?/td> 587K
代理商： AD7623
AD7612
Rev. 0 | Page 5 of 32
TIMING SPECIFICATIONS
AVDD = DVDD = 5 V; OVDD = 2.7 V to 5.5 V; VCC = 15 V; VEE = 15 V; V
REF
= 5 V; all specifications T
MIN
to T
MAX
, unless otherwise noted.
Table 3.
Parameter
CONVERSION AND RESET (See Figure 33 and Figure 34)
Convert Pulse Width
Time Between Conversions
Warp Mode/Normal Mode/Impulse Mode
1
CNVST Low to BUSY High Delay
BUSY High All Modes (Except Master Serial Read After Convert)
Warp Mode/Normal Mode/Impulse Mode
Aperture Delay
End of Conversion to BUSY Low Delay
Conversion Time
Warp Mode/Normal Mode/Impulse Mode
Acquisition Time
Warp Mode/Normal Mode/Impulse Mode
RESET Pulse Width
PARALLEL INTERFACE MODES (See Figure 35 and Figure 37)
CNVST Low to DATA Valid Delay
Warp Mode/Normal Mode/Impulse Mode
DATA Valid to BUSY Low Delay
Bus Access Request to DATA Valid
Bus Relinquish Time
MASTER SERIAL INTERFACE MODES
2
(See Figure 39 and Figure 40)
CS Low to SYNC Valid Delay
CS Low to Internal SDCLK Valid Delay
2
CS Low to SDOUT Delay
CNVST Low to SYNC Delay, Read During Convert
Warp Mode/Normal Mode/Impulse Mode
SYNC Asserted to SDCLK First Edge Delay
Internal SDCLK Period
3
Internal SDCLK High
3
Internal SDCLK Low
3
SDOUT Valid Setup Time
3
SDOUT Valid Hold Time
3
SDCLK Last Edge to SYNC Delay
3
CS High to SYNC HI-Z
CS High to Internal SDCLK HI-Z
CS High to SDOUT HI-Z
BUSY High in Master Serial Read After Convert
3
CNVST Low to SYNC Delay, Read After Convert
Warp Mode/Normal Mode/Impulse Mode
SYNC Deasserted to BUSY Low Delay
Symbol
t
1
t
2
t
3
t
4
t
5
t
6
t
7
t
8
t
9
t
10
t
11
t
12
t
13
t
14
t
15
t
16
t
17
t
18
t
19
t
20
t
21
t
22
t
23
t
24
t
25
t
26
t
27
t
28
t
29
t
30
Min
10
1.33/1.67/2
10
380
10
20
2
3
30
15
10
4
5
5
Typ
2
65/315/560
See Table 4
830/1070/1310
25
Max
35
950/1250/1450
950/1250/1450
910/1160/1410
40
15
10
10
10
45
10
10
10
Unit
ns
μs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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