參數(shù)資料
型號： DS1801S/T&R
廠商： Maxim Integrated Products
文件頁數(shù)： 1/10頁
文件大?。?/td> 0K
描述： IC POT DUAL AUDIO TAPER 16-SOIC
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 1,000
接片： 64 + 靜音
電阻（歐姆）： 45k
電路數(shù)： 2
溫度系數(shù)： 標(biāo)準(zhǔn)值 750 ppm/°C
存儲器類型： 易失
接口： 3 線串口
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： 16-SOIC（0.295"，7.50mm 寬）
供應(yīng)商設(shè)備封裝： 16-SOIC W
包裝： 帶卷 (TR)
1 of 10
030300
FEATURES
Ultra-low power consumption
Operates from 3V or 5V supplies
Two digitally controlled, 65-position
potentiometers including mute
Logarithmic resistive characteristics (1 dB
per step)
Zero-crossing detection eliminates noise
caused by wiper movement
Serial port provides means for setting and
reading both potentiometers wipers
14-pin PDIP, 16-pin SOIC, and 14-pin
TSSOP packages
Operating Temperature Range:
- Industrial: -40
°C to +85°C
Software mute
Resistance available: 45 k
PIN DESCRIPTION
L0, L1
- Low End of Resistor
H0, H1
- High End of Resistor
W0,W1
- Wiper End of Resistor
VCC
- 3V or 5V Power Supply Input
RST
- Serial Port Reset Input
D
- Serial Port Data Input
CLK
- Serial Port Clock Input
GND
- Digital Ground
AGND
- Analog Ground
ZCEN
- Zero-Crossing Detect Input
COUT
- Cascade Output
NC
- No Connect
PIN ASSIGNMENT
DESCRIPTION
The DS1801 is a dual audio taper potentiometer having logarithmic resistive characteristics over the
device range. Each potentiometer provides 65 wiper positions with a 1 dB increment per step and device
mute. The 3-wire serial interface, using a CPU, provides the user the ability of reading or writing exact
wiper positions of the two potentiometers. Additionally, the part contains a zero-crossing detection
feature that minimizes noise resulting from wiper transitions. Packages for the part include a 14-pin
PDIP, 16-pin SOIC, and 14-pin TSSOP.
DS1801
Dual Audio Taper Potentiometer
www.dalsemi.com
GND
1
14
VCC
COUT
2
13
CLK
RST
3
12
D
ZCEN
4
11
AGND
W0
5
10
H1
L0
6
9
L1
H0
7
8
W1
DS1801 14-Pin PDIP (300-mil)
DS1801 14-Pin TSSOP (173-mil)
GND
1
16
VCC
COUT
2
15
CLK
RST
3
14
D
ZCEN
4
13
NC
5
12
AGND
W0
6
11
H1
L0
7
10
L1
H0
8
9
W1
DS1801S 16-PIN SOIC (300-mil)
See Mech. Drawings Section
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