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Teilenummer | CAT5120 |
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Beschreibung | (CAT5120 - CAT5122) 16-Tap MiniPot TM Digitally Programmable Potentiometers | |
Hersteller | Catalyst Semiconductor | |
Logo | ||
Gesamt 13 Seiten CAT5120, CAT5121, CAT5122
16-Tap MiniPot™ Digitally Programmable
Potentiometers with 2-Wire Interface
Features
■ 0.3µA Ultra-low supply current
■ Single-supply operation: 2.7V to 5.5V
■ Glitchless switching between resistor taps
■ Power-on reset to midscale
■ 2-Wire up/down serial interface
■ Resistance values: 10kΩ, 50kΩ and 100kΩ
■ Available in SC70 and SOT-23 packages
DEscription
CAT5120/5121/5122 linear-taper digitally programmable
potentiometers perform the same function as a
mechanical potentiometer or a variable resistor. These
devices consist of a fixed resistor and a wiper contact
with 16-tap points that are digitally controlled through a
2-wire up/down serial interface.
The CAT5120 is configured as a potentiometer. The
CAT5121 and CAT5122 are configured as variable
resistors. See Pin Configurations for part functionality.
Applications
■ LCD screen adjustment
■ Volume control
■ Mechanical potentiometer replacement
■ Gain adjustment
■ Line impedance matching
Three resistance values are available: 10kΩ, 50kΩ and
100kΩ. These are available in space-saving 5-pin and
6-pin SC70 and SOT-23 packages.
Functional Diagram
www.DataSheet4U.com VDD
GND
H
For Ordering Information details, see page 10.
CS
W
Pin Configuration
sC70
sOT-23
sC70
sOT-23
VDD
6H
VDD
5H
GND 2
5W
CAT5120
U/D 3
4 CS
GND 2
CAT5122
U/D 3
4 CS
sC70
sOT-23
VDD
6H
GND 2
5L
CAT5121
U/D 3
4 CS
U/D
L
Pin Descriptions
Name
VDD
GND
U/D
CS
L
W
H
Description
Power Supply
Ground
Up/Down Control Input. With CS low, a low-
to-high transition increments or decrements
the wiper position.
Chip Select Input.Ahigh-to-low CS transition
determines the mode: increment if U/D is
high, or decrement if U/D is low.
Low Terminal of Resistor
Wiper Terminal of Resistor
High Terminal of Resistor
© 2007 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
Doc. No. 2121, Rev. C
CAT5120, CAT5121, CAT5122
Package Information
SC-70 6 LEAD
ee
E1
b
D
A2 A
A1
c
SYMBOL
A
A1
A2
b
c
D
E
E1
e
L
L1
L2
θ
MIN NOM
0.80
0.00
0.70 0.90
0.15
0.08 0.20
2.00 BSC
2.10 BSC
1.25 BSC
0.65 BSC
0.26 0.36
0.42 REF
0.15 BSC
0°
MAX
1.10
0.10
1.00
0.30
0.25
0.46
8°
Notes:
1. Dimension are in mm.
2. Dimension are inclusive of planting.
3. Dimension are exclusive of mold flash & metal burr.
4. All specification comply to JDEC M0-203
GAUGE
PLANE
θ
L L2
L1
For current Tape and Reel information,
download the PDF file from:
www.catsemi.com/documents/tapeandreel.pdf
Doc. No. 2121, Rev. C
© 2007 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
6 Page CAT5120, CAT5121, CAT5122
Ordering Information (continue)
Part Number
CAT5122SDI-10-GT3
CAT5122SDI-10-GT10
CAT5122TBI-10-T3
CAT5122TBI-10-T10
CAT5122TBI-10-GT3
CAT5122TBI-10-GT10
CAT5122SDI-50-GT3
CAT5122SDI-50-GT10
CAT5122TBI-50-T3
CAT5122TBI-50-T10
CAT5122TBI-50-GT3
CAT5122TBI-50-GT10
CAT5122SDI-00-GT3
CAT5122SDI-00-GT10
CAT5122TBI-00-T3
CAT5122TBI-00-T10
CAT5122TBI-00-GT3
CAT5122TBI-00-GT10
Resistor
[kΩ]
10
10
10
10
10
10
50
50
50
50
50
50
100
100
100
100
100
100
Package
Marking
KY_
KY_
KYYM
KYYM
KYYM
KYYM
KA_
KA_
KAYM
KAYM
KAYM
KAYM
KB_
KB_
KBYM
KBYM
KBYM
KBYM
Pin Package
SC70-5
SC70-5
SOT23-5
SOT23-5
SOT23-5
SOT23-5
SC70-5
SC70-5
SOT23-5
SOT23-5
SOT23-5
SOT23-5
SC70-5
SC70-5
SOT23-5
SOT23-5
SOT23-5
SOT23-5
Quantity
per Reel
3,000
10,000
3,000
10,000
3,000
10,000
3,000
10,000
3,000
10,000
3,000
10,000
3,000
10,000
3,000
10,000
3,000
10,000
Doc. No. 2121, Rev. C
12 © 2007 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
12 Page | ||
Seiten | Gesamt 13 Seiten | |
PDF Download | [ CAT5120 Schematic.PDF ] |
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