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参数资料
| 型号： | MAX5395MATA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/17页 |
| 文件大小： | 0K |
| 描述： | IC DGTL POT 256POS 50KOHM 8TDFN |
| 标准包装： | 2,500 |
| 接片： | 256 |
| 电阻（欧姆）： | 50k |
| 电路数： | 1 |
| 温度系数： | 标准值 50 ppm/°C |
| 存储器类型： | 易失 |
| 接口： | I²C |
| 电源电压： | 1.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | * |
| 封装/外壳： | * |
| 供应商设备封装： | * |
| 包装： | * |
13
Maxim Integrated
MAX5395
Single, 256-Tap Volatile, I2C, Low-Voltage Linear
Taper Digital Potentiometer
Figure 6. Standard I2C Register Read Sequence
a read and an acknowledge clock. The master has con-
trol of the SCL line but the MAX5395 takes over the SDA
line. The final byte in the frame contains the register data
readback followed by a STOP condition. If additional
bytes beyond those required to read back the requested
data are provided, the MAX5395 will continue to read
back ones.
The wiper register and the configuration register are
the only two registers that support readback (Table 2).
Readback of all other registers is not supported and
results in the readback of ones.
D[7:0]: Wiper position
QP: Charge pump status, 1 is enabled, 0 is disabled.
HSW: H terminal switch status, 0 is closed, 1 is open
WSW: W terminal switch status, 0 is closed, 1 is open
LSW: L terminal switch status, 0 is closed, 1 is open
TSEL[1:0]: Tap select, 00- wiper is at contents of wiper
register, 01 – wiper is at 0x00, 10 – wiper is at 0x80, 11
– wiper is at 0xFF.
General Call Support
The MAX5395 supports software reset through general
call address 0x00 followed by R/W = 0, followed by 0x06
data. A software reset of the MAX5395 will return the part
to the power-on default conditions. The MAX5395 will
ACK the general call address and any command byte
following, but will not support any general call features
other than software reset.
Table 2. I2C READ Command Byte Summary
REGISTER
COMMAND BYTE
DATA BYTE
C7
C6
C5
C4
C3
C2
C1
C0
D7
D6
D5
D4
D3
D2
D1
D0
WIPER
0
D7
D6
D5
D4
D3
D2
D1
D0
CONFIG
1
0
QP
0
HSW LSW WSW
TSEL[1:0]
01 01 0A1A0W
0
D D D D D D D D ~A
1 0 1 0
AA
A1 A0 R A
SEE REGISTER OPTIONS
SDA
START
STOP
WRITE ADDRESS
BYTE #1: I2C SLAVE ADDRESS
WRITE COMMAND
BYTE #2: COMMAND BYTE
READ ADDREESS
BYTE #3: I2C SLAVE ADDRESS
READ DATA
BYTE #4: DATA BYTE B[7:0]
REPEATED
START
SCL
ACK. GENERATED BY MAX5395L/
MAX5395M/MAX5395N
ACK. GENERATED BY I2C MASTER
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相关代理商/技术参数 |
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| MAX5395NATA+T | 功能描述:数字电位计 IC Sgl 256-tap Volatile DigiPot w/SPI RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel |
| MAX539ACPA | 功能描述:数模转换器- DAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| MAX539ACPA+ | 功能描述:数模转换器- DAC 12-Bit Precision DAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| MAX539ACSA | 功能描述:数模转换器- DAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| MAX539ACSA+ | 功能描述:数模转换器- DAC 12-Bit Precision DAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
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