参数资料
型号: 7872RPFB
厂商: MAXWELL TECHNOLOGIES
元件分类: ADC
英文描述: 14-Bit A/D Converter
中文描述: 1-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, DFP16
封装: DFP-16
文件页数: 6/11页
文件大小: 154K
代理商: 7872RPFB
M
6
All data sheets are subject to change without notice
2001 Maxwell Technologies
All rights reserved.
14-Bit A/D Converter
7872
5.21.02 Rev 4
F
IGURE
1. M
ODE
1 T
IMING
D
IAGRAM
S
ERIAL
1. External 4.7 k
pull-up resistor.
2. External 2 k
pull-up resistor continuos SCLK (DASHED LINE) when 14/8/CLK (CONTROL) = -5 V; noncontinuous when 14/
8/CLK (CONTROL) = 0 V.
F
IGURE
2. M
ODE
2 T
IMING
D
IAGRAM
, S
ERIAL
R
EAD
1. Times t15, t18, t19 and t20 are the same for a high byte read as for a low byte read.
2. External 4.7 k
pull-up resistor.
3. Continuos SCLK (DASHED LINE) when 14/8/CLK (CONTROL) = -5 V; noncontinuous when 14/8/CLK (CONTROL) = 0 V.
External 2 k
pull-up resistor.
TRAC K HOLD
GOES INTO HOLD
LEADING
ZEROS
DB13 DB12 DB11 DB10
DB0
t
11
t
10
t
13
t
14
t
12
SC LK
2
SDATA
t
1
C ONVST
SSTRB
1
HBEN
1
SSTRB
2
SC LK
3
SDATA
2
t
11
t
10
t
13
t
12
t
14
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