I2C TIMING SPECIFICATIONS (AD7142-1)
參數(shù)資料
型號(hào): AD7142ACPZ-1500RL7
廠商: Analog Devices Inc
文件頁(yè)數(shù): 72/73頁(yè)
文件大小: 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-1500RL7DKR
AD7142
Rev. A | Page 7 of 72
I2C TIMING SPECIFICATIONS (AD7142-1)
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 timed from a voltage level of 1.6 V.
Table 5. I2C Timing Specifications1
Parameter
Limit
Unit
Description
fSCLK
400
kHz max
t1
0.6
μs min
Start condition hold time, tHD; STA
t2
1.3
μs min
Clock low period, tLOW
t3
0.6
μs min
Clock high period, tHIGH
t4
100
ns min
Data setup time, tSU; DAT
t5
300
ns min
Data hold time, tHD; DAT
t6
0.6
μs min
Stop condition setup time, tSU; STO
t7
0.6
μs min
Start condition setup time, tSU; STA
t8
1.3
μs min
Bus free time between stop and start conditions, tBUF
tR
300
ns max
Clock/data rise time
tF
300
ns max
Clock/data fall time
1 Guaranteed by design, not production tested.
05
70
2-
0
03
SCLK
SDATA
tR
tF
t2
t5
t1
t3
t4
STOP START
STOP
START
t7
t6
t1
t8
Figure 4. I2C Detailed Timing Diagram
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