参数资料
型号: MCP4728-E/UN
厂商: Microchip Technology
文件页数: 32/33页
文件大小: 0K
描述: IC DAC 12BIT W/I2C 10-MSOP
视频文件: MCP4728 Evaluation Board Demo
标准包装: 100
设置时间: 6µs
位数: 12
数据接口: EEPROM,I²C,串行
转换器数目: 4
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: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
供应商设备封装: 10-MSOP
包装: 管件
输出数目和类型: 4 电压,单极
采样率(每秒): *
产品目录页面: 673 (CN2011-ZH PDF)
配用: MCP4728EV-ND - BOARD EVAL 12BIT 4CH DAC MCP4728
MCP4728
DS22187E-page 8
2010 Microchip Technology Inc.
I2C SERIAL TIMING SPECIFICATIONS
Electrical Specifications: Unless otherwise specified, all limits are specified for T
A = -40 to +125°C, VSS = 0V,
Standard and Fast Mode: VDD = +2.7V to +5.5V
High Speed Mode: VDD = +4.5V to +5.5V.
Parameters
Sym
Min
Typ
Max
Units
Conditions
Clock Frequency
fSCL
0
100
kHz
Standard Mode
Cb = 400 pF, 2.7V – 5.5V
0
400
kHz
Fast Mode
Cb = 400 pF, 2.7V – 5.5V
0
1.7
MHz
High Speed Mode 1.7
Cb = 400 pF, 4.5V – 5.5V
0
3.4
MHz
High Speed Mode 3.4
Cb = 100 pF, 4.5V – 5.5V
Bus Capacitive Loading
Cb
400
pF
Standard Mode
2.7V – 5.5V
400
pF
Fast Mode
2.7V – 5.5V
400
pF
High Speed Mode 1.7
4.5V – 5.5V
100
pF
High Speed Mode 3.4
4.5V – 5.5V
Start Condition Setup Time
(Start, Repeated Start)
TSU:STA
4700
ns
Standard Mode
600
ns
Fast Mode
160
ns
High Speed Mode 1.7
160
ns
High Speed Mode 3.4
Start Condition Hold Time
THD:STA
4000
ns
Standard Mode
600
ns
Fast Mode
160
ns
High Speed Mode 1.7
160
ns
High Speed Mode 3.4
Stop Condition Setup Time
TSU:STO
4000
ns
Standard Mode
600
ns
Fast Mode
160
ns
High Speed Mode 1.7
160
ns
High Speed Mode 3.4
Clock High Time
THIGH
4000
ns
Standard Mode
600
ns
Fast Mode
120
ns
High Speed Mode 1.7
60
ns
High Speed Mode 3.4
Clock Low Time
TLOW
4700
ns
Standard Mode
1300
ns
Fast Mode
320
ns
High Speed Mode 1.7
160
ns
High Speed Mode 3.4
Note 1:
This parameter is ensured by characterization and is not 100% tested.
2:
After a Repeated Start condition or an Acknowledge bit.
3:
If this parameter is too short, it can create an unintentional Start or Stop condition to other devices on the I2C bus line. If
this parameter is too long, the Data Input Setup (TSU:DAT) or Clock Low time (TLOW) can be affected.
Data Input: This parameter must be longer than t
SP.
Data Output: This parameter is characterized, and tested indirectly by testing T
AA parameter.
4:
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 + TFSDA (OR TRSDA).
5:
Time between Start and Stop conditions.
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