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参数资料
| 型号： | MAX5478ETE#G16 |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 16/16页 |
| 文件大小： | 0K |
| 描述： | IC POT DGTL DUAL 256-TAP 16-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 接片： | 256 |
| 电阻（欧姆）： | 50k |
| 电路数： | 2 |
| 温度系数： | 标准值 70 ppm/°C |
| 存储器类型： | 非易失 |
| 接口： | I²C（设备位址） |
| 电源电压： | 2.7 V ~ 5.25 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WFQFN 裸露焊盘 |
| 供应商设备封装： | 16-TQFN（3x3） |
| 包装： | 管件 |
MAX5477/MAX5478/MAX5479
Dual, 256-Tap, Nonvolatile, I2C-Interface,
Digital Potentiometers
_______________________________________________________________________________________
9
Pin Description
PIN
TSSOP
THIN QFN
NAME
FUNCTION
1
15
HA
Potentiometer A High Terminal
2
14
WA
Potentiometer A Wiper Terminal
3
13
LA
Potentiometer A Low Terminal
4
12
HB
Potentiometer B High Terminal
5
11
WB
Potentiometer B Wiper Terminal
6
10
LB
Potentiometer B Low Terminal
79
WP
Write-Protect Input. Connect to GND to allow changes to the wiper position and the data stored
in the EEPROM. Connect to VDD or leave unconnected to enable the write protection of the
EEPROM. See the Write Protect (WP) section for operating instructions.
8
7
GND
Ground
9
6
A2
Address Input 2. Connect to VDD or GND (see Table 1).
10
5
A1
Address Input 1. Connect to VDD or GND (see Table 1).
11
4
A0
Address Input 0. Connect to VDD or GND (see Table 1).
12
3
SDA
I2C Serial Data
13
2
SCL
I2C Clock Input
14
1
VDD
Power-Supply Input. Connect a +2.7V to +5.25V power supply to VDD and bypass VDD to GND
with a 0.1F capacitor installed as close to the device as possible.
—
8, 16
N.C.
No Connection. Do not connect.
—
EP
Exposed Paddle. Do not connect.
SDA
SCL
START
CONDITION
(S)
tHD:STA
tR
tF
tHIGH
tLOW
tSU:DAT
tHD:DAT
REPEATED START
CONDITION
(SR)
tHD:STA
tSU:STA
tSU:STO
tBUF
STOP
CONDITION
(P)
START
CONDITION
(S)
ACKNOWLEDGE
(A)
PARAMETERS ARE MEASURED FROM 30% TO 70%.
Figure 1. I2C Serial-Interface Timing Diagram
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5478ETE-T | 功能描述:数字电位计 IC 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 |
| MAX5478EUD | 功能描述:数字电位计 IC 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 |
| MAX5478EUD+ | 功能描述:数字电位计 IC Dual 256-Tap NV I2C-Interface 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 |
| MAX5478EUD+ | 制造商:Maxim Integrated Products 功能描述:DIGITAL POT 256 TAP I2C DUAL 5478 |
| MAX5478EUD+T | 功能描述:数字电位计 IC Dual 256-Tap NV I2C-Interface 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 |
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