参数资料
型号: AD5170BRMZ2.5-RL7
厂商: Analog Devices Inc
文件页数: 13/24页
文件大小: 0K
描述: IC DGTL POT 256POS 2.5K 10MSOP
标准包装: 1,000
接片: 256
电阻(欧姆): 2.5k
电路数: 1
温度系数: 标准值 35 ppm/°C
存储器类型: 易失
接口: I²C,2 线串口
电源电压: 2.7 V ~ 5.5 V
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: 带卷 (TR)
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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