参数资料
型号: MCP3422A0-E/MC
厂商: Microchip Technology
文件页数: 21/58页
文件大小: 0K
描述: IC ADC 18BIT 3.75SPS 2CH 8-DFN
产品培训模块: MCP3901 Analog Front End
标准包装: 150
位数: 18
采样率(每秒): 3.75
数据接口: I²C,串行
转换器数目: 1
电压电源: 单电源
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-VFDFN 裸露焊盘
供应商设备封装: 8-DFN(2x3)
包装: 管件
输入数目和类型: 4 个单端,双极;2 个差分,双极
产品目录页面: 672 (CN2011-ZH PDF)
配用: MCP3422EV-ND - BOARD EVAL MCP3422 PICKIT SERIAL
MCP3422/3/4
DS22088C-page 28
2009 Microchip Technology Inc.
High Speed Mode (3.4 MHz)
Clock frequency
fSCL
0—
3.4
MHz
Cb = 100 pF
0—
1.7
MHz
Cb = 400 pF
Clock high time
THIGH
60
ns
Cb = 100 pF, fSCL = 3.4 MHz
120
ns
Cb = 400 pF, fSCL = 1.7 MHz
Clock low time
TLOW
160
ns
Cb = 100 pF, fSCL = 3.4 MHz
320
ns
Cb = 400 pF, fSCL = 1.7 MHz
SCL rise time
TR
40
ns
From VIL to VIH,
Cb = 100 pF, fSCL = 3.4 MHz
80
ns
From VIL to VIH,
Cb = 400 pF, fSCL = 1.7 MHz
SCL fall time
TF
40
ns
From VIH to VIL,
Cb = 100 pF, fSCL = 3.4 MHz
80
ns
From VIH to VIL,
Cb = 400 pF, fSCL = 1.7 MHz
SDA rise time
TR: DAT
80
ns
From VIL to VIH,
Cb = 100 pF, fSCL = 3.4 MHz
160
ns
From VIL to VIH,
Cb = 400 pF, fSCL = 1.7 MHz
SDA fall time
TF: DATA
80
ns
From VIH to VIL,
Cb = 100 pF, fSCL = 3.4 MHz
160
ns
From VIH to VIL,
Cb = 400 pF, fSCL = 1.7 MHz
Data hold time
THD:DAT
0
70
ns
Cb = 100 pF, fSCL = 3.4 MHz
0
150
ns
Cb = 400 pF, fSCL = 1.7 MHz
Output valid from clock
(Notes 2 and 3)
TAA
150
ns
Cb = 100 pF, fSCL = 3.4 MHz
310
ns
Cb = 400 pF, fSCL = 1.7 MHz
START condition hold time
THD:STA
160
ns
After this period, the first clock
pulse is generated
START (Repeated) condition
setup time
TSU:STA
160
ns
Data input setup time
TSU:DAT
10
ns
STOP condition setup time
TSU:STO
160
ns
TABLE 5-4:
I2C SERIAL TIMING SPECIFICATIONS (CONTINUED)
Electrical Specifications: Unless otherwise specified, all limits are specified for TA = -40 to +85°C, VDD = +2.7V to +5.0V,
VSS = 0V, CHn+ = CHn- = VREF/2.
Parameters
Sym
Min
Typ
Max
Units
Conditions
Note
1:
This parameter is ensured by characterization and not 100% tested.
2:
This specification is not a part of the I2C specification. This specification is equivalent to the Data Hold Time (THD:DAT)
plus SDA Fall (or rise) time: TAA = THD:DAT + TF (OR TR).
3:
If this parameter is too short, it can create an unintended Start or Stop condition to other devices on the bus line. If this
parameter is too long, Clock Low time (TLOW) can be affected.
4:
For Data Input: If this parameter is too long, the Data Input Setup (TSU:DAT) or Clock Low time (TLOW) can be affected.
For Data Output: This parameter is characterized, and tested indirectly by testing TAA parameter.
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