參數(shù)資料
型號: AD5170BRMZ2.5
廠商: Analog Devices Inc
文件頁數(shù): 13/24頁
文件大?。?/td> 0K
描述: IC POT DGTL 2.5K 256POS 10-MSOP
標準包裝: 50
接片: 256
電阻(歐姆): 2.5k
電路數(shù): 1
溫度系數(shù): 標準值 35 ppm/°C
存儲器類型: 易失
接口: I²C,2 線串口
電源電壓: 2.7 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 10-TFSOP,10-MSOP(0.118",3.00mm 寬)
供應商設備封裝: 10-MSOP
包裝: 管件
AD5170
Rev. G | Page 20 of 24
Table 9. Write Mode
S
0
1
0
1
AD1
AD0
W
A
2T
SD
T
0
OW
X
A
D7
D6
D5
D4
D3
D2
D1
D0
A
P
Slave Address Byte
Instruction Byte
Data Byte
Table 10. Read Mode
S
0
1
0
1
AD1
AD0
R
A
D7
D6
D5
D4
D3
D2
D1
D0
A
E1
E0
X
A
P
Slave Address Byte
Data Byte
Validation Byte
Table 11. SDA Bit Definitions and Descriptions
Bit
Description
S
Start condition.
P
Stop condition.
A
Acknowledge.
AD0, AD1
Package pin-programmable address bits.
X
Don’t care.
W
Write.
R
Read.
2T
Second fuse link array for two-time programming. Logic 0 corresponds to first trim. Logic 1 corresponds to
second trim. Note that blowing Trim 2 before Trim 1 effectively disables Trim 1 and, in turn, allows only one-time
programming.
SD
Shutdown connects wiper to Terminal B and open circuits Terminal A. It does not change the contents of the wiper register.
T
OTP programming bit. Logic 1 permanently programs the wiper.
OW
Overwrite the fuse setting and program the digital potentiometer to a different setting. Note that upon power-up,
the digital potentiometer presets to either midscale or fuse setting, depending on whether the fuse link is blown.
D7, D6, D5, D4, D3,
D2, D1, and D0
Data bits.
E1, E0
OTP validation bits:
0, 0 = ready to program.
1, 0 = fatal error. Some fuses are not blown. Do not retry. Discard this unit.
1, 1 = programmed successfully. No further adjustments are possible.
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