DS1802 Datasheet

  • DS1802

  • Dual Audio Taper Potentiometer with Pushbutton Control

  • 291.58KB

  • Dallas

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DS1802
Dual Audio Taper Potentiometer
With Pushbutton Control
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
Digital or mechanical pushbutton wiper
control
Serial port provides means for setting and
reading both potentiometers wipers
20-pin SOIC and 20-pin TSSOP for surface
mount applications
Operating Temperature Range:
-40掳 to +85掳
C
C
Software and hardware mute
Resistance Available: 45 k鈩?/div>
PIN ASSIGNMENT
GND
COUT
CLK
D
RST
ZCEN
MODE
W0
L0
H0
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
VCC
VU (UC1)
VD (DC1)
B0 (UC0)
B1 (DC0)
MUTE
AGND
H1
L1
W1
20-Pin DIP (300-mil)
20-Pin SOIC (300-mil)
20-Pin TSSOP (173-mil)
See Mech. Drawings Section
PIN DESCRIPTION
L0, L1
H0, H1
W1,W2
V
CC
RST
D
CLK
MODE
UC0, UC1
DC0, DC1
VU, VD
B0, B1
GND
MUTE
AGND
ZCEN
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
C
OUT
1 of 17
Low End of Resistor
High End of Resistor
Wiper End of Resistor
3V/5V Power Supply Input
Serial Port Reset Input
Serial Port Data Input
Serial Port Clock Input
Mode Select Input
Up Control Pushbutton Inputs
Down Control Pushbutton
Inputs
Volume-Up/Volume-Down
Inputs
Balance Pot-0, Pot-1 Inputs
Digital Ground
Mute
Analog Ground
Zero-Crossing Detect Input
Cascade Output
101999

DS1802 产品属性

  • Lead (SnPb) Finish for COTSObsolescence Mitigation Program

  • 18

  • 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 线串行,按钮

  • 2.7 V ~ 5.5 V

  • -40°C ~ 85°C

  • 通孔

  • 20-DIP(0.300",7.62mm)

  • 20-PDIP

  • 管件

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