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DS1801 Datasheet

  • DS1801

  • Dual Audio Taper Potentiometer

  • 229.11KB

  • Dallas

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DS1801
Dual Audio Taper Potentiometer
www.dalsemi.com
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掳C to +85掳C
Software mute
Resistance available: 45 k鈩?/div>
PIN ASSIGNMENT
GND
COUT
RST
ZCEN
W0
L0
H0
1
2
3
4
5
6
7
14
13
12
11
10
9
8
VCC
CLK
D
AGND
H1
L1
W1
DS1801 14-Pin PDIP (300-mil)
DS1801 14-Pin TSSOP (173-mil)
GND
COUT
RST
ZCEN
NC
W0
L0
H0
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
VCC
CLK
D
NC
AGND
H1
L1
W1
PIN DESCRIPTION
L0, L1
H0, H1
W0,W1
V
CC
RST
D
CLK
GND
AGND
ZCEN
C
OUT
NC
-
-
-
-
-
-
-
-
-
-
-
-
Low End of Resistor
High End of Resistor
Wiper End of Resistor
3V or 5V Power Supply Input
Serial Port Reset Input
Serial Port Data Input
Serial Port Clock Input
Digital Ground
Analog Ground
Zero-Crossing Detect Input
Cascade Output
No Connect
DS1801S 16-PIN SOIC (300-mil)
See Mech. Drawings Section
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.
1 of 10
030300

DS1801 产品属性

  • Lead (SnPb) Finish for COTSObsolescence Mitigation Program

  • 25

  • 集成电路 (IC)

  • 数据采集 - 数字电位器

  • -

  • 64

  • 45k

  • 2

  • 标准值 750 ppm/°C

  • 易失

  • 3 线串口

  • 2.7 V ~ 5.5 V

  • -40°C ~ 85°C

  • 通孔

  • 14-DIP（0.300"，7.62mm）

  • 14-PDIP

  • 管件

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