参数资料
| 型号： | AD5258BRMZ10 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 8/24页 |
| 文件大小： | 0K |
| 描述： | IC POT DGTL I2C 10K 64P 10MSOP |
| 标准包装： | 50 |
| 接片： | 64 |
| 电阻（欧姆）： | 10k |
| 电路数： | 1 |
| 温度系数： | 标准值 200 ppm/°C |
| 存储器类型： | 非易失 |
| 接口： | I²C（设备位址） |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°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 |
| 产品目录页面： | 787 (CN2011-ZH PDF) |
| 配用： | AD5258EVAL-ND - BOARD EVAL FOR AD5258 DGTL POT |
AD5258
Data Sheet
Rev. D | Page 16 of 24
I2C BYTE FORMATS
The following generic, write, read, and store/restore control
registers for the AD5258 refer to the device addresses listed in
Table 5, and following is the mode/condition reference key.
S = Start Condition
P = Stop Condition
SA = Slave Acknowledge
MA = Master Acknowledge
NA = No Acknowledge
W = Write
R = Read
X = Don’t Care
AD1 and AD0 are two-state address pins.
Table 5. Device Address Lookup
AD1 Address Pin
AD0 Address Pin
I2 C Device Address
0
0011000
1
0
0011010
0
1
1001100
1
1001110
GENERIC INTERFACE
Table 6. Generic Interface Format
S
7-Bit Device Address
(See Table 5)
R/W SA C2 C1 C0 A4 A3 A2 A1 A0 SA D7 D6 D5 D4 D3 D2 D1 D0 SA P
Slave Address Byte
Instruction Byte
Data Byte
Table 7. RDAC-to-EEPROM Interface Command Descriptions
C2
C1
C0
Command Description
0
Operation between I2C and RDAC
0
1
Operation between I2C and EEPROM
0
1
0
1
0
NOP
1
0
1
Restore EEPROM to RDAC1
1
0
Store RDAC to EEPROM
1
This command leaves the device in the EEMEM read power state, which consumes power. Issue the NOP command to return the device to its idle state.
WRITE MODES
Table 8. Writing to RDAC Register
S
7-Bit Device Address
0
SA
0 0 0 0 0 0 0 0
SA
X X
D5
D4
D3
D2
D1
D0
SA P
Slave Address Byte
Instruction Byte
Data Byte
Table 9. Writing to EEPROM Register
S
7-Bit Device Address
0
SA
0 0 1 0 0 0 0 0
SA
X
D5
D4
D3
D2
D1
D0
SA
P
Slave Address Byte
Instruction Byte
Data Byte
The wiper’s default value prior to programming the EEPROM is midscale.
Table 10. Activating/Deactivating Software Write Protect
S
7-Bit Device Address
0
SA
0
1
0
SA
0
WP
SA
P
Slave Address Byte
Instruction Byte
Data Byte
To activate the write protection mode, the WP bit in Table 10 must be logic high. To deactivate the write protection, the command must
be resent except with the WP in logic zero state.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD5258BRMZ100 | 功能描述:IC POT DGTL I2C 100K 64P 10MSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数字电位器 系列:- 标准包装:3,300 系列:WiperLock™ 接片:257 电阻（欧姆）:100k 电路数:1 温度系数:标准值 150 ppm/°C 存储器类型:易失 接口:3 线 SPI（芯片选择） 电源电压:1.8 V ~ 5.5 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:8-VDFN 裸露焊盘 供应商设备封装:8-DFN-EP（3x3） 包装:带卷 (TR) |
| AD5258BRMZ1001 | 制造商:AD 制造商全称:Analog Devices 功能描述:Nonvolatile, I2C-Compatible 64-Position, Digital Potentiometer |
| AD5258BRMZ100-R7 | 功能描述:IC POT DGTL I2C 100K 64P 10MSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数字电位器 系列:- 标准包装:3,000 系列:DPP 接片:32 电阻（欧姆）:10k 电路数:1 温度系数:标准值 300 ppm/°C 存储器类型:非易失 接口:3 线串行（芯片选择，递增，增/减） 电源电压:2.5 V ~ 6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-WFDFN 裸露焊盘 供应商设备封装:8-TDFN（2x3） 包装:带卷 (TR) |
| AD5258BRMZ100-R71 | 制造商:AD 制造商全称:Analog Devices 功能描述:Nonvolatile, I2C-Compatible 64-Position, Digital Potentiometer |
| AD5258BRMZ101 | 制造商:AD 制造商全称:Analog Devices 功能描述:Nonvolatile, I2C-Compatible 64-Position, Digital Potentiometer |
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