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参数资料
| 型号： | AD5175BCPZ-10-RL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 9/20页 |
| 文件大小： | 0K |
| 描述： | IC RHEOSTAT 5V 50-TP 1024 10MSOP |
| 标准包装： | 1 |
| 接片： | 1024 |
| 电阻（欧姆）： | 10k |
| 电路数： | 1 |
| 温度系数： | 标准值 35 ppm/°C |
| 存储器类型： | 非易失 |
| 接口： | I²C |
| 电源电压： | 2.7 V ~ 5.5 V，±2.5 V ~ 2.75 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： | 标准包装 |
| 其它名称： | AD5175BCPZ-10-RL7DKR |
AD5175
Rev. A | Page 17 of 20
Table 8. Write and Read to RDAC and 50-TP Memory
DIN
Action
0x1C03
0xXXXX
Enable update of wiper position and 50-TP memory contents through digital interface.
0x0500
0x1C03
Write 0x100 to the RDAC register, wiper moves to full-scale position.
0x0800
0x0500
Prepare data read from RDAC register.
0x0C00
0x100
Stores RDAC register content into 50-TP memory. 16-bit word appears out of SDO, where the last 10-bits contain the
contents of the RDAC Register 0x100.
0x1800
0x0C00
Prepare data read of the last programmed 50-TP memory monitor location.
0x0000
0xXX19
NOP Instruction 0 sends a 16-bit word out of SDO, where the six LSBs (that is, the last 6 bits) contain the binary address
of the last programmed 50-TP memory location, for example, 0x19 (see Table 11).
0x1419
0x0000
Prepares data read from Memory Location 0x19.
0x2000
0x0100
Prepare data read from the control register. Sends a 16-bit word out of SDO, where the last 10-bits contain the contents
of Memory Location 0x19.
0x0000
0xXXXX
NOP Instruction 0 sends a 16-bit word out of SDO, where the last four bits contain the contents of the control register.
If Bit C2 = 1, fuse program command successful.
1 X is don’t care.
Table 9. Control Register Bit Map
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
0
C2
0
C1
C0
Table 10. Control Register Description
Bit Name
Description
C0
50-TP program enable
0 = 50-TP program disabled (default)
1 = enable device for 50-TP program
C1
RDAC register write protect
0 = wiper position frozen to value in OTP memory (default)1
1 = allow update of wiper position through a digital interface
C2
50-TP memory program success bit
0 = fuse program command unsuccessful (default)
1 = fuse program command successful
1 Wiper position is frozen to the last value programmed in the 50-TP memory. Wiper freezes to midscale if 50-TP memory has not been previously programmed.
Table 11. Memory Map
Command Number
Data Byte[DB9:DB0]1
Register Contents
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
5
X
0
Reserved
X
0
1
1st programmed wiper location (0x01)
X
0
1
0
2nd programmed wiper location (0x02)
X
0
1
3rd programmed wiper location (0x03)
X
0
1
0
4th programmed wiper location (0x04)
…
X
0
1
0
1
0
10th programmed wiper location (0xA)
…
X
0
1
0
1
0
20th programmed wiper location (0x14)
…
X
0
1
0
30th programmed wiper location (0x1E)
…
X
0
1
0
1
0
40th programmed wiper location (0x28)
…
X
0
1
0
1
0
50th programmed wiper location (0x32)
…
X
0
1
0
1
MSB resistance tolerance (0x39)
X
0
1
0
1
0
LSB resistance tolerance (0x3A)
1 X is don’t care.
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