TA = 40°C to +85°C; V
參數(shù)資料
型號(hào): AD7142ACPZ-500RL7
廠商: Analog Devices Inc
文件頁(yè)數(shù): 67/73頁(yè)
文件大?。?/td> 0K
描述: IC CAP-TO-DGTL CONV PROG 32LFCSP
標(biāo)準(zhǔn)包裝: 1
類型: 電容數(shù)字轉(zhuǎn)換器
分辨率(位): 16 b
采樣率(每秒): 250k
數(shù)據(jù)接口: 串行
電壓電源: 單電源
電源電壓: 2.6 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 32-VFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 32-LFCSP-VQ(5x5)
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: AD7142ACPZ-500RL7DKR
AD7142
Rev. A | Page 6 of 72
SPI TIMING SPECIFICATIONS (AD7142)
TA = 40°C to +85°C; VDRIVE = 1.65 V to 3.6 V; AVCC, DVCC = 2.6 V to 3.6 V, unless otherwise noted. Sample tested at 25°C to ensure
compliance. All input signals are specified with tR = tF = 5 ns (10% to 90% of VCC) and timed from a voltage level of 1.6 V.
Table 4. SPI Timing Specifications
Parameter
Limit at TMIN, TMAX
Unit
Description
fSCLK
5
MHz max
t1
5
ns min
CS falling edge to first SCLK falling edge
t2
20
ns min
SCLK high pulse width
t3
20
ns min
SCLK low pulse width
t4
15
ns min
SDI setup time
t5
15
ns min
SDI hold time
t6
20
ns max
SDO access time after SCLK falling edge
t7
16
ns max
CS rising edge to SDO high impedance
t8
15
ns min
SCLK rising edge to CS high
CS
SCLK
SDI
SDO
t1
116
15
MSB
LSB
23
MSB
LSB
12
15
16
t2
t4
t5
t3
t6
t7
t8
05
70
2-
0
02
Figure 3. SPI Detailed Timing Diagram
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