1 See the Conversion Control section. 2
參數(shù)資料
型號(hào): EVAL-AD7622CBZ
廠商: Analog Devices Inc
文件頁數(shù): 25/28頁
文件大?。?/td> 0K
描述: BOARD EVALUATION FOR AD7622
標(biāo)準(zhǔn)包裝: 1
系列: PulSAR®
ADC 的數(shù)量: 1
位數(shù): 16
采樣率(每秒): 2M
數(shù)據(jù)接口: 串行,并聯(lián)
輸入范圍: ±VREF
在以下條件下的電源(標(biāo)準(zhǔn)): 70mW @ 2MSPS
工作溫度: -40°C ~ 85°C
已用 IC / 零件: AD7622
已供物品:
相關(guān)產(chǎn)品: AD7622BSTZ-ND - IC ADC 16BIT DIFFERENTIAL 48LQFP
AD7622BCPZ-ND - IC ADC 16BIT DIFFERENTL 48-LFCSP
AD7622BSTZRL-ND - IC ADC 16BIT DIFFERENTL 48-LQFP
AD7622BCPZRL-ND - IC ADC 16BIT DIFFERENTL 48-LFCSP
AD7622
Rev. 0 | Page 6 of 28
2 All timings for wideband warp mode are the same as warp mode.
3 In warp mode only, the maximum time between conversions is 1 ms; otherwise, there is no required maximum time.
5 In serial interface modes, the SYNC, SCLK, and SDOUT timings are defined with a maximum load CL of 10 pF; otherwise, the load is 60 pF maximum.
6 In serial master read during convert mode. See Table 4 for serial master read after convert mode timing specifications.
Table 4. Serial Clock Timings in Master Read After Convert Mode
DIVSCLK[1]
0
1
DIVSCLK[0]
Symbol
0
1
0
1
Unit
SYNC to SCLK First Edge Delay Minimum
t18
3
ns
Internal SCLK Period Minimum
t19
8
16
32
64
ns
Internal SCLK Period Maximum
t19
20
40
60
140
ns
Internal SCLK High Minimum
t20
2
8
16
32
ns
Internal SCLK Low Minimum
t21
2
8
16
32
ns
SDOUT Valid Setup Time Minimum
t22
1
5
15
5
ns
SDOUT Valid Hold Time Minimum
t23
0
0.5
10
28
ns
SCLK Last Edge to SYNC Delay Minimum
t24
0
0.5
9
26
ns
BUSY High Width Maximum
Warp Mode
t28
0.64
0.92
1.47
2.57
μs
Normal Mode
t28
0.76
1.04
1.59
2.69
μs
NOTE
IN SERIAL INTERFACE MODES, THE SYNC, SCLK, AND
SDOUT TIMING ARE DEFINED WITH A MAXIMUM LOAD
CL OF 10pF; OTHERWISE, THE LOAD IS 60pF MAXIMUM.
500A
IOL
500A
IOH
1.4V
TO OUTPUT
PIN
CL
50pF
0
60
23
-0
02
Figure 3. Load Circuit for Digital Interface Timing,
SDOUT, SYNC, and SCLK Outputs, CL = 10 pF
0.8V
2V
0.8V
2V
tDELAY
0
60
23-
003
Figure 4. Voltage Reference Levels for Timing
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