参数资料
型号: MCP3021A4T-E/OT
厂商: Microchip Technology
文件页数: 21/26页
文件大小: 0K
描述: ADC 10BIT I2C INTERFACE SOT23-5
标准包装: 1
位数: 10
采样率(每秒): 22.3k
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: SC-74A,SOT-753
供应商设备封装: SOT-23-5
包装: 标准包装
输入数目和类型: 1 个单端,单极
其它名称: MCP3021A4T-E/OTDKR
MCP3021
DS21805A-page 4
2003 Microchip Technology Inc.
TIMING SPECIFICATIONS
FIGURE 1-1:
Standard and Fast Mode Bus Timing Data.
Electrical Characteristics: All parameters apply at VDD = 2.7V - 5.5V, VSS = GND, TA = -40°C to +85°C.
Parameters
Sym
Min
Typ
Max
Units
Conditions
I2C Standard Mode
Clock frequency
fSCL
0—
100
kHz
Clock high time
THIGH
4000
ns
Clock low time
TLOW
4700
ns
SDA and SCL rise time
TR
1000
ns
From VIL to VIH (Note 1)
SDA and SCL fall time
TF
——
300
ns
From VIL to VIH (Note 1)
START condition hold time
THD:STA
4000
ns
START condition setup time
TSU:STA
4700
ns
Data input setup time
TSU:DAT
250
ns
STOP condition setup time
TSU:STO
4000
ns
STOP condition hold time
THD:STD
4000
ns
Output valid from clock
TAA
3500
ns
Bus free time
TBUF
4700
ns
Input filter spike suppression
TSP
50
ns
SDA and SCL pins (Note 1)
I2C Fast Mode
Clock frequency
FSCL
0—
400
kHz
Clock high time
THIGH
600
ns
Clock low time
TLOW
1300
ns
SDA and SCL rise time
TR
20 + 0.1CB
300
ns
From VIL to VIH (Note 1)
SDA and SCL fall time
TF
20 + 0.1CB
300
ns
From VIL to VIH (Note 1)
START condition hold time
THD:STA
600
ns
START condition setup time
TSU:STA
600
ns
Data input hold time
THD:DAT
0—
0.9
ms
Data input setup time
TSU:DAT
100
ns
STOP condition setup time
TSU:STO
600
ns
STOP condition hold time
THD:STD
600
ns
Output valid from clock
TAA
——
900
ns
Bus free time
TBUF
1300
ns
Input filter spike suppression
TSP
50
ns
SDA and SCL pins (Note 1)
Note 1:
This parameter is periodically sampled and not 100% tested.
2:
Time the bus must be free before a new transmission can start.
TF
THIGH
VHYS
TR
TSU:STA
TSP
THD:STA
TLOW
THD:DAT
TSU:DAT
TSU:STO
TBUF
TAA
SCL
SDA
IN
SDA
OUT
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