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参数资料
| 型号： | MAX5440EAG+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 13/16页 |
| 文件大小： | 0K |
| 描述： | IC CNTRL VOL STEREO 24-SSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 58 |
| 类型： | 立体声音量控制 |
| 应用： | 车载系统，台式音频，机顶盒 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 24-SSOP |
| 包装： | 管件 |
MAX5440
Stereo Volume Control
with Rotary Encoder Interface
6
_______________________________________________________________________________________
PIN
NAME
FUNCTION
1VLOGIC
Digital Logic Power Supply. Bypass VLOGIC to ground with a 0.1F capacitor as close to the device
as possible.
2
RENCODEB
Rotary Encoder Input B. With RENCODEA, this input provides the rotary encoder control for the
potentiometer (see Figure 1). RENCODEB is internally pulled up to VLOGIC with a 45k
resistor.
3
RENCODEA
Rotary Encoder Input A. With RENCODEB, this input provides the rotary encoder control for the
potentiometer (see Figure 1). RENCODEA is internally pulled up to VLOGIC with a 45k
resistor.
4
MUTE
Mute Input. Pull MUTE low to toggle the wiper between the mute setting (see Table 1) and the current
setting. MUTE is pulled up to VLOGIC with an internal 45k
resistor.
5
MODE
Volume/Balance Control Input. Each high-to-low transition on MODE toggles between the volume and
balance modes. MODE is pulled high internally with a 45k
resistor to VLOGIC. On power-up, the
MAX5440 is in volume-control mode.
6
SHDN
Active-Low Shutdown Input. Drive SHDN low to place the device in shutdown mode. In shutdown
mode, the MAX5440 stores the last wipers settings. The wipers move to the L_ end of the resistor
string. Terminating shutdown mode restores the wipers to their previous settings.
7, 24
GND
Ground. Connect pins 7 and 24 together.
8
H0
Potentiometer 0 High Terminal. H0 and L0 terminals can be reversed.
9
L0
Potentiometer 0 Low Terminal. L0 and H0 terminals can be reversed.
10
W0
Potentiometer 0 Wiper Buffered Output
11
MIDBIAS
Midbias Voltage Output. VMIDBIAS = (VDD + VSS) / 2.
12
BIAS
Bias Generator Input. Bypass with a 1F capacitor to system ground.
13
VDD
Analog Power Supply. Bypass VDD to ground with a 0.1F capacitor as close to the device as
possible.
14
VSS
Negative Power Supply. Bypass VSS to ground with a 0.1F capacitor as close to the device as
possible. Connect to GND for single-supply operation.
15
W1
Potentiometer 1 Wiper Buffered Output
16
L1
Potentiometer 1 Low Terminal. L1 and H1 terminals can be reversed.
17
H1
Potentiometer 1 High Terminal. H1 and L1 terminals can be reversed.
18–22
LEDIND0–
LEDIND4
LED Indicator Open-Drain Output 0 through LED Indicator Open-Drain Output 4. LEDIND0–LEDIND4 form a
bar graph indication of the current volume or balance. In volume mode, all LEDs off indicates mute and all
LEDs on indicates maximum volume. In balanced mode, LED2 on indicates centered or balanced.
23
MODEIND
Volume-Control/Balance-Control Mode Indicator Open-Drain Output. Connect to an LED through a
resistor to VLOGIC. When the LED is on, the MAX5440 is in balance-control mode. When the LED is
off, the MAX5440 is in volume-control mode.
Pin Description
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| MAX5440EAG+ | 功能描述:数字电位计 IC Stereo Vol Control w/Rotary Encoder 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 |
| MAX5440EAG+T | 功能描述:数字电位计 IC Stereo Vol Control w/Rotary Encoder 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 |
| MAX5441ACUA | 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 |
| MAX5441ACUA+ | 功能描述:数模转换器- DAC 16-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 |
| MAX5441ACUA+T | 功能描述:数模转换器- DAC 16-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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