CAT5110SDI-00GT3 [CATALYST]
32-Tap MiniPot⑩ Digitally Programmable Potentiometers with 2-Wire Interface; 32抽头MiniPot ™数字可编程，带有2线接口电位器
| 型号： | CAT5110SDI-00GT3 |
| 厂家： | 
CATALYST SEMICONDUCTOR |
| 描述： | 32-Tap MiniPot⑩ Digitally Programmable Potentiometers with 2-Wire Interface |
| 文件： | 总15页 (文件大小：289K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
CAT5110, CAT5118, CAT5119
CAT5123, CAT5124, CAT5125
32-Tap MiniPot™ Digitally Programmable
Potentiometers with 2-Wire Interface
FEATURES
DESCRIPTION
0.3µA Ultra-low standby current
CAT5110/18/19/23/24/25 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 32-tap points that are digitally controlled through a
2-wire up/down serial interface.
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
The CAT5110 and CAT5125 are configured as
potentiometers. The CAT5118/19/23/24 are configured
as variable resistors.
Low wiper resistance: 80Ω for
CAT5123, CAT5124, CAT5125
CAT5110, CAT5118, CAT5119 available in SC-70
Three resistance values are available: 10kΩ, 50kΩ and
100kΩ. All devices are available in space-saving 5-pin
and 6-pin SOT-23 packages. The CAT5110/18/19 are
also available in the SC-70 package.
APPLICATIONS
LCD screen adjustment
Volume control
FUNCTIONAL DIAGRAM
Mechanical potentiometer replacement
Gain adjustment
H
V
Line impedance matching
DD
GND
CS
For Ordering Information details, see page 11.
W
U/D
PIN CONFIGURATION
L
SOT-23
SOT-23
SOT-23
V
1
2
3
6
5
4
H
V
1
2
3
6
5
4
H
V
1
2
3
5
4
H
DD
DD
DD
GND
U/D
L
GND
U/D
W
CS
GND
U/D
CAT5119
CAT5124
CAT5110
CAT5125
CAT5118
CAT5123
CS
CS
SC-70
SC-70
SC-70
V
1
2
3
6
5
4
H
V
1
2
3
6
5
4
H
V
1
2
3
5
4
H
DD
DD
DD
GND
U/D
L
GND
U/D
W
CS
GND
U/D
CAT5110
CAT5118
CAT5119
CS
CS
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
1
Doc. No. MD-2120 Rev. J
CAT5110, CAT5118, CAT5119, CAT5123, CAT5124, CAT5125
PIN DESCRIPTIONS
Pin Number
Pin
Name
CAT5110/ CAT5118/ CAT5119/
CAT5125 CAT5123 CAT5124
Description
Power Supply
Ground
1
2
1
2
1
2
VDD
GND
¯¯¯¯¯
¯¯
Up/Down Control Input. With CS low, a low-to-high transition
increments or decrements the wiper position.
¯
3
4
3
4
3
4
U/D
¯¯
Chip Select Input. A high-to-low CS transition determines the
mode: increment if U/D is high, or decrement if U/D is low.
¯¯
CS
¯
¯
-
-
-
5
-
L
W
H
Low Terminal of Resistor
5
6
Wiper Terminal of Resistor
6
6
High Terminal of Resistor
ABSOLUTE MAXIMUM RATINGS(1)
Parameters
Ratings
-0.3 to +6
Units
V
VDD to GND
All Other Pins to GND
Input and Output Latch-Up Immunity
-0.3 to (VDD + 0.3)
±200
V
mA
Maximum Continuous Current into H, L and W
100kΩ
50kΩ
10kΩ
±0.6
±1.3
±1.3
mA
Continuous Power Dissipation (TA = +70ºC)
5-pin SC-70(2)
247
245
mW
6-pin SC-70(2)
Operating Temperature Range
Junction Temperature
-40 to +85
+150
ºC
ºC
ºC
ºC
Storage Temperature Range
Soldering Temperature (soldering, 10s)
-65 to +150
+300
Notes:
(1) Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions outside of those listed in the operational sections of this
specification is not implied. Exposure to any absolute maximum rating for extended periods may affect device performance and reliability.
(2) Derate 3.1mW/ºC above TA = +70ºC
Doc. No. MD-2120 Rev. J
2
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
CAT5110, CAT5118, CAT5119, CAT5123, CAT5124, CAT5125
ELECTRICAL CHARACTERISTICS
VDD = 2.7V to 5.5V, VH = VDD, VL = 0, TA = -40ºC to +85ºC. Typical values are at VDD = 2.7V, TA = 25ºC, unless
otherwise noted.
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Taps
kΩ
DC Performance
Resolution
32
80
40
8
End-to-End Resistance (-00)
End-to-End Resistance (-50)
End-to-End Resistance (-10)
100
50
120
60
10
12
CAT5110/18/19
CAT5123/24/25
200
30
End-to-End Resistance Tempco
TCR
ppm/ºC
300
Ratiometric Resistance Tempco
Integral Nonlinearity
Differential Nonlinearity
Full-Scale Error
5
ppm/ºC
LSB
INL
±0.5
±1
±1
DNL
LSB
±0.1
LSB
Zero-Scale Error
1
LSB
CAT5110/18/19
CAT5123/24/25
200
80
600
200
Wiper Resistance
RW
Ω
Digital Inputs
Input High Voltage
Input Low Voltage
VIH
VIL
0.7 x VDD
V
V
0.3 x VDD
Timing Characteristics (Figures 1, 2)
¯
¯¯
tCU
tCI
25
50
25
25
25
ns
ns
U/D Mode to CS Setup
¯¯
¯
CS to U/D Step Setup
¯¯
¯
tIC
ns
CS to U/D Step Hold
¯
tIL
ns
U/D Step Low Period
¯
tIH
ns
U/D Step High Period
(1)
¯¯¯¯¯
fTOGGLE
1
1
MHz
Up/Down Toggle Rate
100kΩ variable resistor
configuration, CL = 10pF
Output Settling Time (2)
tSETTLE
μs
100kΩ potentiometer
configuration, CL = 10pF
0.25
Power Supply
Supply Voltage
VDD
IDD
ISB
2.7
5.5
25
1
V
Active Supply Current (3)
Standby Supply Current (4)
µA
µA
VDD = +5V
0.3
Notes:
1
fTOGGLE
=
(1) Up/Down Toggle Rate:
tSETTLE
(2) Typical settling times are dependent on end-to-end resistance.
(3) Supply current measured while changing wiper tap, fTOGGLE = 1MHz.
(4) Supply current measured while wiper position is fixed.
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
3
Doc. No. MD-2120 Rev. J
CAT5110, CAT5118, CAT5119, CAT5123, CAT5124, CAT5125
TYPICAL OPERATING CHARACTERISTICS
TA = 25ºC, unless otherwise noted.
WIPER RESISTANCE vs.
WIPER POSITION
CHANGE IN END-TO-END RESISTANCE
vs. TEMPERATURE
W-TO-L RESISTANCE vs.
TAP POSITION
160
140
120
100
1.5
120
100
80
60
40
20
0
1.0
100k
CAT5110/5118/5119
0.5
CAT5123/5124/5125
0.0
80
60
40
20
0
50k
10k
-0.5
-1.0
-1.5
CAT5123/5124/5125
CAT5110/5118/5119
VDD = 2.7V
30
-50
0
50
100
1 3 5 7 9 1113151719212325272931
TAP POSITION
0
5
10 15 20 25
WIPER POSTION
TEMPERATURE (ºC)
SUPPLY CURRENT vs.
TEMPERATURE
TAP-TO-TAP
SWITCHING TRANSIENT
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
V
= 5.5V
DD
U/D
2V/div
V
= 2.7V
DD
WIPER
OUTPUT
100mv/div
-50
0
50
100
150
200ns/div
TEMPERATURE (ºC)
Doc. No. MD-2120 Rev. J
4
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
CAT5110, CAT5118, CAT5119, CAT5123, CAT5124, CAT5125
FUNCTIONAL DESCRIPTION
¯¯
¯
The CAT5110/5118/5119/5123/5124/5125 consist of a
fixed resistor and a wiper contact with 32-tap points
that are digitally controlled through a 2-wire up/down
serial interface. Three end-to-end resistance values
are available: 10kΩ, 50kΩ and 100kΩ.
The CS and U/D inputs control the position of the
¯¯
wiper along the resistor array. When CS transitions
from high to low, the part will go into increment mode
¯
if U/D input is high, and into decrement mode when
¯
U/D input is low. Once the mode is set, the device will
¯¯
remain in that mode until CS goes high again. A low-
¯
The CAT5110/5125 is designed to operate as a
potentiometer. In this configuration, the low terminal of
the resistor array is connected to ground (pin 2).
to-high transition at the U/D pin will increment or
decrement the wiper position depending on the
current mode (Figures 1 and 2).
¯¯
When the CS input transitions to high (serial interface
The CAT5118/5123 performs as a variable resistor. In
this device, the wiper terminal and high terminal of the
resistor array are connected at pin 5. The
CAT5119/5124 is a similar variable resistor, except
the low terminal is connected to pin 5.
inactive), the value of the counter is stored and the
wiper position is maintained.
Note that when the wiper reaches the maximum (or
minimum) tap position, the wiper will not wrap around
to the minimum (or maximum) position.
Digital Interface Operation
Power-On Reset
The MiniPots have two modes of operation when the
serial interface is active: increment and decrement
All parts in this family feature power-on reset (POR)
circuitry that sets the wiper position to midscale at
power-up. By default, the chip is in the increment mode.
¯¯
mode. The serial interface is only active when CS is low.
CS
t
CU
t
IC
t
IL
U/D
t
t
IH
CI
t
SETTLE
t
SETTLE
W
Note: "W" is not a digital signal. It represents wiper transitions.
Figure 1. Serial Interface Timing Diagram, Increment Mode
CS
t
t
IC
CU
t
IH
U/D
t
IL
t
CI
W
t
SETTLE
t
SETTLE
Note: "W" is not a digital signal. It represents wiper transitions.
Figure 2. Serial Interface Timing Diagram, Decrement Mode
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
5
Doc. No. MD-2120 Rev. J
CAT5110, CAT5118, CAT5119, CAT5123, CAT5124, CAT5125
APPLICATIONS INFORMATION
The MiniPots are intended for circuits requiring
digitally controlled adjustable resistance, such as LCD
contrast control, where voltage biasing adjusts the
display contrast.
Adjustable Gain
Figure 5 shows how to use either a variable resistor or
a potentiometer to digitally adjust the gain of a
noninverting op amp configuration, by connecting the
Minipot in series with a resistor to ground. The
MiniPots have a low 5ppm/ºC ratiometric tempco that
allows for a very stable adjustable gain configuration
over temperature.
Alternative Positive LCD Bias Control
An op amp can be used to provide buffering and gain
on the output of the CAT5110/CAT5125. This can be
done by connecting the wiper output to the positive
input of a noninverting op amp as shown in Figure 3.
Figure 4 shows a similar circuit for the CAT5119/
CAT5124.
+5V
+5V
H
H
30V
30V
W
V
OUT
V
OUT
L
CAT5119/CAT5124
L
CAT5110/CAT5125
Figure 3. Positive LCD Bias Control
Figure 4. Positive LCD Bias Control
V
V
CC
CC
V
IN
V
IN
V
OUT
V
OUT
H
W
L
H
CAT5110/CAT5125
L
CAT5118/CAT5123
Figure 5a. Adjustable Gain Circuit
Figure 5b. Adjustable Gain Circuit
Doc. No. MD-2120 Rev. J
6
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
CAT5110, CAT5118, CAT5119, CAT5123, CAT5124, CAT5125
PACKAGE OUTLINE DRAWINGS
SC-70 6-Lead (SD) (1)(2)
SYMBOL
MIN
NOM
MAX
1.10
0.10
1.00
0.30
0.18
2.20
2.40
1.35
D
A
A1
A2
b
0.80
0.00
0.80
0.15
0.10
1.80
1.80
1.15
e
e
c
D
2.00
2.10
E1
E
E
E1
e
1.25
0.65 BSC
0.36
L
0.26
0.46
L1
L2
θ
0.42 REF
0.15 BSC
TOP VIEW
0°
4°
8°
θ1
10°
θ1
A2
A1
A
θ
L
L1
b
θ1
c
L2
SIDE VIEW
END VIEW
For current Tape and Reel information, download the PDF file from:
http://www.catsemi.com/documents/tapeandreel.pdf.
Notes:
(1) All dimensions are in millimeters. Angles in degrees.
(2) Complies with JEDEC standard MS-203.
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
7
Doc. No. MD-2120 Rev. J
CAT5110, CAT5118, CAT5119, CAT5123, CAT5124, CAT5125
(1)(2)
SOT-23 6-Lead (TB)
D
SYMBOL
MIN
NOM
MAX
1.45
0.15
1.30
0.50
0.22
e
A
A1
A2
b
0.90
0.00
0.90
0.30
0.08
1.15
c
E
E1
D
2.90 BSC
2.80 BSC
1.60 BSC
0.95 BSC
0.45
E
E1
e
L
0.30
0.60
L1
L2
θ
0.60 REF
0.25 REF
4º
PIN #1 IDENTIFICATION
TOP VIEW
0º
5º
5º
8º
θ1
θ2
10º
15º
15º
10º
θ1
A2
A
θ
b
L1
L
θ2
c
A1
L2
SIDE VIEW
END VIEW
For current Tape and Reel information, download the PDF file from:
http://www.catsemi.com/documents/tapeandreel.pdf.
Notes:
(1) All dimensions are in millimeters. Angles in degrees.
(2) Complies with JEDEC standard MO-178.
Doc. No. MD-2120 Rev. J
8
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
CAT5110, CAT5118, CAT5119, CAT5123, CAT5124, CAT5125
SC-70 5-Lead (SD) (1)(2)
SYMBOL
MIN
NOM
MAX
1.10
0.10
1.00
0.30
0.18
2.20
2.40
1.35
D
A
A1
A2
b
0.80
0.00
0.80
0.15
0.10
1.80
1.80
1.15
e
e
c
D
2.00
2.10
E1
E
E
E1
e
1.25
0.65 BSC
0.36
L
0.26
0.46
L1
L2
θ
0.42 REF
0.15 BSC
TOP VIEW
0°
4°
8°
θ1
10°
θ1
A2
A1
A
θ
L
L1
b
θ1
c
L2
SIDE VIEW
END VIEW
For current Tape and Reel information, download the PDF file from:
http://www.catsemi.com/documents/tapeandreel.pdf.
Notes:
(1) All dimensions are in millimeters. Angles in degrees.
(2) Complies with JEDEC standard MS-203.
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
9
Doc. No. MD-2120 Rev. J
CAT5110, CAT5118, CAT5119, CAT5123, CAT5124, CAT5125
(1)(2)
SOT-23 5-Lead (TB)
D
SYMBOL
MIN
NOM
MAX
1.45
0.15
1.30
0.50
0.22
A
A1
A2
b
0.90
0.00
0.90
0.30
0.08
1.15
c
E
E1
D
2.90 BSC
2.80 BSC
1.60 BSC
0.95 BSC
0.45
E
E1
e
e
L
0.30
0.60
L1
L2
θ
0.60 REF
0.25 REF
4º
PIN #1 IDENTIFICATION
0º
5º
5º
8º
TOP VIEW
θ1
θ2
10º
15º
15º
10º
θ1
A2
A
θ
b
L1
L
θ2
c
A1
L2
SIDE VIEW
END VIEW
For current Tape and Reel information, download the PDF file from:
http://www.catsemi.com/documents/tapeandreel.pdf.
Notes:
(1) All dimensions are in millimeters. Angles in degrees.
(2) Complies with JEDEC standard MO-178.
Doc. No. MD-2120 Rev. J
10
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
CAT5110, CAT5118, CAT5119, CAT5123, CAT5124, CAT5125
EXAMPLE OF ORDERING INFORMATION (1)
Prefix
Device #
Suffix
CAT
5110
SD
I
-10
–
G
T3
Optional
Company ID
Temperature Range
I = Industrial (-40ºC to 85ºC)
Tape & Reel
T: Tape & Reel
3: 3,000/Reel
Product Number
5110
Resistance
-10: 10kΩ
-50: 50kΩ
-00: 100kΩ
Lead Finish
Blank: Matte-Tin
G: NiPdAu
5118
5119
5123
5124
5125
Package
SD:SC-70
TB: SOT-23
For Product Top Mark Codes, click here:
http://www.catsemi.com/techsupport/producttopmark.asp
Notes:
(1) All packages are RoHS-compliant (Lead-free, Halogen-free).
(2) The standard finish is NiPdAu.
(3) The device used in the example above is a CAT5110SDI-10 -GT3 (SC-70, Industrial Temperature, 10kΩ, NiPdAu, Tape & Reel, 3,000/Reel).
(4) For additional package and temperature options, please contact your nearest Catalyst Semiconductor Sales office.
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
11
Doc. No. MD-2120 Rev. J
CAT5110, CAT5118, CAT5119, CAT5123, CAT5124, CAT5125
ORDERING INFORMATION
Device
Ordering Part Number Resistor [kΩ] Pin Package
Parts Per Reel
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
CAT5110
CAT5110SDI-10-GT3
CAT5110TBI-10-T3
CAT5110TBI-10-GT3
CAT5110SDI-50-GT3
CAT5110TBI-50-T3
CAT5110TBI-50-GT3
CAT5110SDI-00-GT3
CAT5110TBI-00-T3
CAT5110TBI-00-GT3
CAT5118SDI-10-GT3
CAT5118TBI-10-T3
CAT5118TBI-10-GT3
CAT5118SDI-50-GT3
CAT5118TBI-50-T3
CAT5118TBI-50-GT3
CAT5118SDI-00-GT3
CAT5118TBI-00-T3
CAT5118TBI-00-GT3
CAT5119SDI-10-GT3
CAT5119TBI-10-T3
CAT5119TBI-10-GT3
CAT5119SDI-50-GT3
CAT5119TBI-50-T3
CAT5119TBI-50-GT3
CAT5119SDI-00-GT3
CAT5119TBI-00-T3
CAT5119TBI-00-GT3
10
10
SC70-6
SOT23-6
SOT23-6
SC70-6
10
50
50
SOT23-6
SOT23-6
SC70-6
50
100
100
100
10
SOT23-6
SOT23-6
SC70-5
CAT5118
10
SOT23-5
SOT23-5
SC70-5
10
50
50
SOT23-5
SOT23-5
SC70-5
50
100
100
100
10
SOT23-5
SOT23-5
SC70-6
CAT5119
10
SOT23-6
SOT23-6
SC70-6
10
50
50
SOT23-6
SOT23-6
SC70-6
50
100
100
100
SOT23-6
SOT23-6
Doc. No. MD-2120 Rev. J
12
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
CAT5110, CAT5118, CAT5119, CAT5123, CAT5124, CAT5125
Device
Ordering Part number Resistor [kΩ] Pin Package
Parts Per Reel
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
3,000
CAT5123
CAT5123TBI-10-T3
CAT5123TBI-10-GT3
10
10
SOT23-5
SOT23-5
SOT23-5
SOT23-5
SOT23-5
SOT23-5
SOT23-6
SOT23-6
SOT23-6
SOT23-6
SOT23-6
SOT23-6
SOT23-6
SOT23-6
SOT23-6
SOT23-6
SOT23-6
SOT23-6
(1)
CAT5123TBI-50-T3
50
CAT5123TBI-50-GT3 (1)
CAT5123TBI-00-T3 (1)
CAT5123TBI-00-GT3 (1)
CAT5124TBI-10-T3 (1)
CAT5124TBI-10-GT3 (1)
CAT5124TBI-50-T3
50
100
100
10
CAT5124
10
50
CAT5124TBI-50-GT3
CAT5124TBI-00-T3 (1)
CAT5124TBI-00-GT3 (1)
CAT5125TBI-10-T3
50
100
100
10
CAT5125
CAT5125TBI-10-GT3
CAT5125TBI-50-T3 (1)
CAT5125TBI-50-GT3 (1)
CAT5125TBI-00-T3 (1)
CAT5125TBI-00-GT3 (1)
10
50
50
100
100
Notes:
(1) Contact factory for availability.
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
13
Doc. No. MD-2120 Rev. J
CAT5110, CAT5118, CAT5119, CAT5123, CAT5124, CAT5125
REVISION HISTORY
Date
Rev. Reason
03/10/2004
03/18/2004
A
B
Initial Issue
Update Typical Operating Characteristics
Update SC70 package outline
07/19/2004
12/15/2006
C
D
Added SOT-23 package in all areas
Update Description
Update Electrical Characteristics
Update Typical Operating Characteristics
Update Functional Description
Added CAT5123, CAT5124, CAT5125
Update Features
Update Description
Update Pin Configuration
Update Pin Description
Update Electrical Characteristics
Update Typical Operating Characteristics
Update Functional Description
Update Figures 3, 4, 5 and 6
Update Package Information
Update Example of Ordering Information
Update Ordering information
01/29/2007
08/03/2007
E
F
Update Electrical Characteristics
Update Package Outline Drawings
Update Example of Ordering Information
Update Ordering Information “Top Marking“
11/02/2007
G
Update Electrical Characteristics
Update Package Outline Drawings
01/29/2008
03/12/2008
H
I
Update Ordering Information
Add Top Mark Code link
Delete 10,000 per reel option
Update Document Layout
29-May-08
J
Doc. No. MD-2120 Rev. J
14
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
CAT5110, CAT5118, CAT5119, CAT5123, CAT5124, CAT5125
Copyrights, Trademarks and Patents
© Catalyst Semiconductor, Inc.
Trademarks and registered trademarks of Catalyst Semiconductor include each of the following:
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Document No: MD-2120
Revision:
J
Issue date:
05/29/08
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