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參數(shù)資料
| 型號： | MAX5407 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Replaced by SN55976A : 9-Channel Differential Bus Transceiver, EIA RS-485 56-CFP -55 to 125 |
| 中文描述： | 32抽頭、音頻對數(shù)音量調節(jié)數(shù)字電位器 |
| 文件頁數(shù)： | 1/7頁 |
| 文件大小： | 153K |
| 代理商： | MAX5407 |
General Description
The MAX5407 SOT-PoT is a logarithmic taper digital
potentiometer with 32 tap points that has 1dB steps
between taps. This device is ideal for audio applica-
tions, such as volume control and fading/balancing
audio signals.
The MAX5407 consists of a resistor string and CMOS
switches that are digitally controlled through a simple 2-
wire serial interface. This device performs the same
function as a mechanical potentiometer. The device
has a fixed end-to-end resistance of 20k
and features
zero-crossing detection to minimize the audible noise
generated by the wiper transitions.
This device has nominal resistor temperature coefficients
of 35ppm/°C end-to-end and 5ppm/°C ratiometric. The
MAX5407 is available in a space saving 8-pin SOT23
package and is guaranteed from -40°C to +85°C.
Applications
Audio Volume Control
Fading/Balancing Audio Signals
Mechanical Potentiometer Replacement
Features
o
Miniature 3mm x 3mm 8-Pin SOT23 Package
o
Logarithmic Taper with 1dB Steps Between Taps
o
32 Tap Positions
o
Low 0.35μA Supply Current
o
+2.7V to +5.5V Single-Supply Operation
o
Zero-Crossing Detection to Minimize Audible
Clicks During Wiper Transitions
o
Simple Up/Down 2-Wire Serial Data Interface
o
Power-On Reset
Wiper Goes To Maximum Attenuation
(Lowest Tap Position)
o
20k
End-to-End Resistance
M
32-Tap Audio Logarithmic Taper
Digital Potentiometer
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
TOP VIEW
1
2
3
4
8
7
6
5
ZCEN
V
DD
CS
U/D
L
W
GND
H
MAX5407
SOT23
Pin Configuration
Ordering Information
UP/DOWN
COUNTER
V
DD
GND
CS
U/D
ZCEN
H
L
W
32-POSITION
DECODER
MAX5407
Functional Diagram
19-2196; Rev 0; 10/01
PART
TEMP. RANGE
PIN-
PACKAGE
8 SOT23
TOP MARK
MAX5407EKA -40
°
C to +85
°
C
AAID
SOT-PoT is a trademark of Maxim Integrated Products, Inc.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5407EKA | 制造商:Maxim Integrated Products 功能描述:32-TAP AUDIO LOGARITHMIC TAPER DIGI - Rail/Tube |
| MAX5407EKA+ | 制造商:Maxim Integrated Products 功能描述:DGTL POTENTIOMETER 32POS 20KOHM SGL 8PIN SOT-23 - Rail/Tube |
| MAX5407EKA+T | 功能描述:數(shù)字電位計 IC 32-Tap Audio Log Taper RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| MAX5407EKA-T | 功能描述:數(shù)字電位計 IC RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| MAX5408EEE | 功能描述:數(shù)字電位計 IC RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
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