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參數(shù)資料
| 型號： | MAX5407EKA+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 1/7頁 |
| 文件大小： | 0K |
| 描述： | IC POT DIG AUDIO 32TAP SOT23-8 |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | SOT-PoT™ |
| 接片： | 32 |
| 電阻（歐姆）： | 20k |
| 電路數(shù)： | 1 |
| 溫度系數(shù)： | 標(biāo)準(zhǔn)值 35 ppm/°C |
| 存儲器類型： | 易失 |
| 接口： | 2 線串行（芯片選擇，增/減） |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | SOT-23-8 |
| 供應(yīng)商設(shè)備封裝： | SOT-23-8 |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 產(chǎn)品目錄頁面： | 1399 (CN2011-ZH PDF) |
| 其它名稱： | MAX5407EKA+TDKR |
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 0.35A 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
MAX5407
32-Tap Audio Logarithmic Taper
Digital Potentiometer
________________________________________________________________ Maxim Integrated Products
1
TOP VIEW
1
2
3
4
8
7
6
5
ZCEN
VDD
CS
U/D
L
W
GND
H
MAX5407
SOT23
Pin Configuration
Ordering Information
UP/DOWN
COUNTER
VDD
GND
CS
H
L
W
U/D
ZCEN
32-POSITION
DECODER
MAX5407
Functional Diagram
19-2196; Rev 0; 10/01
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.
PART
TEMP. RANGE
PIN-
PACKAGE
TOP MARK
MAX5407EKA
-40
°C to +85°C
8 SOT23
AAID
SOT-PoT is a trademark of Maxim Integrated Products, Inc.
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