CAT5110SDI-50-T [ONSEMI]
50K DIGITAL POTENTIOMETER, INCREMENT/DECREMENT CONTROL INTERFACE, 32 POSITIONS, PDSO6, SC-70, 6 PIN;型号: | CAT5110SDI-50-T |
厂家: | ONSEMI |
描述: | 50K DIGITAL POTENTIOMETER, INCREMENT/DECREMENT CONTROL INTERFACE, 32 POSITIONS, PDSO6, SC-70, 6 PIN 光电二极管 转换器 |
文件: | 总11页 (文件大小:172K) |
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 Digital
Potentiometers (POTs)
with 2‐wire Interface
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Description
CAT5110/18/19/23/24/25 linear-taper digital POTs 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.
SC−70
SD SUFFIX
CASE 419AD
SOT−23
TB SUFFIX
CASE 527AJ
The CAT5110 and CAT5125 are configured as potentiometers. The
CAT5118/19/23/24 are configured as variable resistors.
Three resistance values are available: 10 kW, 50 kW and 100 kW. 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.
SC−70
SD SUFFIX
CASE 419AC
SOT−23
TB SUFFIX
CASE 527AH
PIN CONNECTIONS
Features
SOT−23
SC−70
0.3 mA Ultra-low Standby Current
Single-supply Operation: 2.7 V to 5.5 V
Glitchless Switching between Resistor Taps
Power-on Reset to Midscale
H
1
2
6
6 H
1
2
V
V
DD
DD
W
W
5
5
GND
GND
2-wire Up/Down Serial Interface
CAT5110
CAT5125
CAT5110
4 CS U/D 3
4 CS
U/D 3
Resistance Values: 10 kW, 50 kW and 100 kW
Low Wiper Resistance: 80 W for CAT5123, CAT5124, CAT5125
CAT5110, CAT5118, CAT5119 Available in SC−70
SOT−23
SC−70
These Devices are Pb-Free, Halogen Free/BFR Free and are RoHS
1
5 H
V
1
2
3
5
V
H
DD
DD
Compliant
GND 2
GND
U/D
Applications
CAT5118
CAT5123
LCD Screen Adjustment
Volume Control
CAT5118
U/D 3
4
CS
4
CS
Mechanical Potentiometer Replacement
Gain Adjustment
SOT−23
SC−70
Line Impedance Matching
V
V
H
1
2
3
6 H
5 L
4
1
2
3
6
5
4
DD
DD
L
GND
U/D
GND
CAT5119
CAT5124
CAT5119
CS
CS U/D
(Top Views)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 7 of this data sheet.
Semiconductor Components Industries, LLC, 2013
1
Publication Order Number:
June, 2013 − Rev. 13
CAT5110/D
CAT5110, CAT5118, CAT5119, CAT5123, CAT5124, CAT5125
H
V
DD
GND
CS
W
U/D
L
Figure 1. Functional Diagram
Table 1. PIN DESCRIPTIONS
Pin Number
CAT5110/
CAT5125
CAT5118/
CAT5123
CAT5119/
CAT5124
Pin
Name
Description
1
2
3
1
2
3
1
2
3
V
Power Supply
Ground
DD
GND
U/D
Up/Down Control Input. With CS low, a low-to-high transition increments
or decrements the wiper position.
4
4
4
CS
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.
−
5
6
−
−
6
5
−
6
L
W
H
Low Terminal of Resistor
Wiper Terminal of Resistor
High Terminal of Resistor
Table 2. ABSOLUTE MAXIMUM RATINGS
Parameters
Ratings
Units
V
V
DD
to GND
−0.3 to +6
All Other Pins to GND
−0.3 to (V + 0.3)
V
DD
Input and Output Latch−Up Immunity
200
mA
mA
Maximum Continuous Current into H, L and W
100 kW
50 kW
10 kW
0.6
1.3
1.3
Continuous Power Dissipation (T = +70C)
5-pin SC−70 (Note 1)
6-pin SC−70 (Note 1)
mW
A
247
245
Operating Temperature Range
Junction Temperature
−40 to +85
+150
C
C
C
C
Storage Temperature Range
Soldering Temperature (soldering, 10 sec)
−65 to +150
+300
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. Derate 3.1 mW/C above T = +70C
A
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2
CAT5110, CAT5118, CAT5119, CAT5123, CAT5124, CAT5125
Table 3. ELECTRICAL CHARACTERISTICS
(V = 2.7 V to 5.5 V, V = V , V = 0, T = −40C to +85C. Typical values are at V = 2.7 V, T = 25C, unless otherwise noted.)
DD
H
DD
L
A
DD
A
Parameter
Symbol
Conditions
Min
Typ
Max
Units
DC PERFORMANCE
Resolution
32
80
40
8
Taps
End-to-End Resistance (−00)
End-to-End Resistance (−50)
End-to-End Resistance (−10)
100
50
120
60
kW
10
12
End-to-End Resistance Tempco
TC
CAT5110/18/19
CAT5123/24/25
200
30
ppm/C
R
300
Ratiometric Resistance Tempco
Integral Nonlinearity
Differential Nonlinearity
Full-Scale Error
5
ppm/C
LSB
LSB
LSB
LSB
W
INL
0.5
1
1
DNL
0.1
Zero-Scale Error
1
Wiper Resistance
R
W
CAT5110/18/19
CAT5123/24/25
200
80
600
200
DIGITAL INPUTS
Input High Voltage
Input Low Voltage
V
0.7 x V
V
V
IH
DD
V
0.3 x V
IL
DD
TIMING CHARACTERISTICS (Figures 7, 8)
U/D Mode to CS Setup
t
25
50
25
25
25
ns
ns
CU
CS to U/D Step Setup
t
CI
CS to U/D Step Hold
t
ns
IC
U/D Step Low Period
t
ns
IL
U/D Step High Period
t
ns
IH
Up/Down Toggle Rate (Note 2)
Output Settling Time (Note 3)
f
1
1
MHz
ms
TOGGLE
t
100 kW variable resistor
SETTLE
configuration, C = 10 pF
L
100 kW potentiometer
0.25
configuration, C = 10 pF
L
POWER SUPPLY
Supply Voltage
V
2.7
5.5
25
1
V
DD
Active Supply Current (Note 4)
Standby Supply Current (Note 5)
I
mA
mA
DD
I
V
DD
= +5 V
0.3
SB
= 1 / t
SETTLE
2. Up/Down Toggle Rate: f
TOGGLE
3. Typical settling times are dependent on end-to-end resistance.
4. Supply current measureed while changing wiper tap, f
= 1 MHz.
TOGGLE
5. Supply current measureed while wiper position is fixed.
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3
CAT5110, CAT5118, CAT5119, CAT5123, CAT5124, CAT5125
TYPICAL OPERATING CHARACTERISTICS
(T = 25C, unless otherwise noted.)
A
160
140
120
100
80
1.5
1.0
0.5
0
CAT5110/5118/5119
CAT5123/5124/5125
60
−0.5
CAT5123/5124/5125
40
CAT5110/5118/5119
−1.0
−1.5
20
0
V
DD
= 2.7 V
15
0
5
10
20
25
30
−50
0
50
100
WIPER POSITION
TEMPERATURE (C)
Figure 2. Wiper Resistance vs. Wiper Position
Figure 3. Change in End-to-End Resistance vs.
Temperature
120
100
80
0.45
0.40
0.35
V
V
= 5.5 V
= 2.7 V
DD
100 k
0.30
DD
0.25
0.20
0.15
0.10
60
50 k
10 k
40
20
0
0.05
0
1
3
5
7
9
11 13 15 17 19 21 23 25 27 29 31
TAP POSITION
−50
0
50
100
150
TEMPERATURE (C)
Figure 4. W-to-L Resistance vs. Tap Position
Figure 5. Supply Current vs. Temperature
U/D
2 V/div
WIPER
OUTPUT
100 mV/div
200 ns/div
Figure 6. Tap-to-Tap Switching Transient
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4
CAT5110, CAT5118, CAT5119, CAT5123, CAT5124, CAT5125
FUNCTIONAL DESCRIPTION
The CAT5110/5118/5119/5123/5124/5125 consist of a
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-to-high transition at the U/D pin will
increment or decrement the wiper position depending on the
current mode (Figures 7 and 8).
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:
10 kW, 50 kW and 100 kW.
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).
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.
When the CS input transitions to high (serial interface
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
The devices have two modes of operation when the serial
interface is active: increment and decrement mode. The
serial interface is only active when CS is low.
Power-On Reset
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.
CS
t
t
IC
CU
t
IL
U/D
W
t
IH
t
CI
t
SETTLE
t
SETTLE
Note: “W” is not a digital signal. It represents wiper transitions.
Figure 7. Serial Interface Timing Diagram, Increment Mode
CS
U/D
W
t
IC
t
CU
t
IH
t
IL
t
CI
t
SETTLE
t
SETTLE
Note: “W” is not a digital signal. It represents wiper transitions.
Figure 8. Serial Interface Timing Diagram, Decrement Mode
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5
CAT5110, CAT5118, CAT5119, CAT5123, CAT5124, CAT5125
APPLICATIONS INFORMATION
Adjustable Gain
The devices are intended for circuits requiring digitally
controlled adjustable resistance, such as LCD contrast
control, where voltage biasing adjusts the display contrast.
Figures 11 and 12 show how to use either a variable
resistor or a potentiometer to digitally adjust the gain of a
noninverting op amp configuration, by connecting the
devices in series with a resistor to ground. The devices have
a low 5 ppm/C 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 9. Figure 10 shows
a similar circuit for the CAT5119/CAT5124.
+5 V
+5 V
H
H
30 V
30 V
W
V
OUT
V
OUT
L
L
CAT5119/CAT5124
CAT5110/CAT5125
Figure 9. Positive LCD Bias Control
Figure 10. Positive LCD Bias Control
V
CC
V
CC
V
IN
V
IN
V
V
OUT
OUT
H
W
L
H
CAT5110/CAT5125
L
CAT5118/CAT5123
Figure 11. Adjustable Gain Circuit
Figure 12. Adjustable Gain Circuit
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6
CAT5110, CAT5118, CAT5119, CAT5123, CAT5124, CAT5125
Table 4. ORDERING INFORMATION
†
Device
Orderable Part Number
CAT5110SDI−10GT3
Resistor [kW]
10
Pin Package
SC70−6
Shipping
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
3000 / Tape & Reel
CAT5110TBI−10−T3
10
SOT23−6
SOT23−6
SC70−6
CAT5110TBI−10GT3
10
CAT5110SDI−50GT3
50
CAT5110TBI−50−T3
50
SOT23−6
SOT23−6
SC70−6
CAT5110
CAT5110TBI−50GT3
50
CAT5110SDI−00GT3
100
100
100
10
CAT5110TBI−00−T3
SOT23−6
SOT23−6
SC70−5
CAT5110TBI−00GT3
CAT5118SDI−10GT3
CAT5118TBI−10−T3
10
SOT23−5
SOT23−5
SC70−5
CAT5118TBI−10GT3
10
CAT5118SDI−50GT3
50
CAT5118TBI−50−T3
50
SOT23−5
SOT23−5
SC70−5
CAT5118
CAT5118TBI−50GT3
50
CAT5118SDI−00GT3
100
100
100
10
CAT5118TBI−00−T3
SOT23−5
SOT23−5
SC70−6
CAT5118TBI−00GT3
CAT5119SDI−10GT3
CAT5119TBI−10−T3
10
SOT23−6
SOT23−6
SC70−6
CAT5119TBI−10GT3
10
CAT5119SDI−50GT3
50
CAT5119TBI−50−T3
50
SOT23−6
SOT23−6
SC70−6
CAT5119
CAT5119TBI−50GT3
50
CAT5119SDI−00GT3
100
100
100
10
CAT5119TBI−00−T3
SOT23−6
SOT23−6
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
CAT5119TBI−00GT3
CAT5123TBI−10−T3
CAT5123TBI−10GT3
10
CAT5123TBI−50−T3 (Note 7)
CAT5123TBI−50GT3 (Note 7)
CAT5123TBI−00−T3 (Note 7)
CAT5123TBI−00GT3 (Note 7)
CAT5124TBI−10−T3 (Note 7)
CAT5124TBI−10GT3 (Note 7)
CAT5124TBI−50−T3
50
CAT5123
CAT5124
CAT5125
50
100
100
10
10
50
CAT5124TBI−50GT3
50
CAT5124TBI−00−T3 (Note 7)
CAT5124TBI−00GT3 (Note 7)
CAT5125TBI−10−T3
100
100
10
CAT5125TBI−10GT3
10
CAT5125TBI−50−T3 (Notes 7)
CAT5125TBI−50GT3 (Note 7)
CAT5125TBI−00−T3 (Notes 7)
CAT5125TBI−00GT3 (Note 7)
50
50
100
100
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
6. For detailed information and a breakdown of device nomenclature and numbering systems, please see the ON Semiconductor Device
Nomenclature document, TND310/D, available at www.onsemi.com.
7. Contact factory for availability.
8. All packages are RoHS-compliant (Pb-Free, Halogen-Free).
9. The standard finish is NiPdAu.
10.For additional package and temperature options, please contact your nearest ON Semiconductor Sales office.
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7
CAT5110, CAT5118, CAT5119, CAT5123, CAT5124, CAT5125
PACKAGE DIMENSIONS
SC−88 (SC−70 6 Lead), 1.25x2
CASE 419AD
ISSUE A
SYMBOL
MIN
NOM
MAX
D
0.80
A
1.10
e
e
A1
A2
0.00
0.80
0.10
1.00
b
c
0.15
0.10
1.80
1.80
1.15
0.30
0.18
2.20
2.40
1.35
D
2.00
2.10
E1
E
E
E1
e
1.25
0.65 BSC
0.36
L
0.26
0.46
L1
L2
0.42 REF
0.15 BSC
TOP VIEW
0º
4º
8º
θ
10º
θ1
q1
A2
A1
A
q
L
b
L1
q1
c
L2
SIDE VIEW
END VIEW
Notes:
(1) All dimensions are in millimeters. Angles in degrees.
(2) Complies with JEDEC MO-203.
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CAT5110, CAT5118, CAT5119, CAT5123, CAT5124, CAT5125
PACKAGE DIMENSIONS
SOT−23, 6 Lead
CASE 527AJ
ISSUE B
D
A
B
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ASME Y14.5M, 1994.
2. CONTROLLING DIMENSION: MILLIMETERS.
3. DATUM C IS THE SEATING PLANE.
6
1
5
2
4
3
MILLIMETERS
E
E1
L2
GAGE
PLANE
DIM MIN
MAX
1.45
0.15
1.30
0.50
0.26
3.00
3.10
1.80
A
A1
A2
b
---
0.00
0.90
0.20
0.08
2.70
2.50
1.30
SEATING
PLANE
6X b
0.20
L
c
e
M
S
S
B
D
C A
DETAIL A
E
TOP VIEW
SIDE VIEW
E1
e
0.95 BSC
A2
A
L
0.20
0.60
L2
0.25 BSC
c
6X
0.10 C
DETAIL A
SEATING
PLANE
END VIEW
C
A1
RECOMMENDED
SOLDERING FOOTPRINT*
3.30
6X
0.85
6X
0.56
0.95
PITCH
DIMENSIONS: MILLIMETERS
*For additional information on our Pb−Free strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
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CAT5110, CAT5118, CAT5119, CAT5123, CAT5124, CAT5125
PACKAGE DIMENSIONS
SC−88A (SC−70 5 Lead), 1.25x2
CASE 419AC
ISSUE A
SYMBOL
MIN
NOM
MAX
D
0.80
A
1.10
e
e
A1
A2
0.00
0.80
0.10
1.00
b
c
0.15
0.10
1.80
1.80
1.15
0.30
0.18
2.20
2.40
1.35
D
2.00
2.10
E1
E
E
E1
e
1.25
0.65 BSC
0.36
L
0.26
0.46
L1
L2
0.42 REF
0.15 BSC
TOP VIEW
0º
4º
8º
θ
10º
θ1
q1
A2
A1
A
q
L
b
L1
q1
c
L2
SIDE VIEW
END VIEW
Notes:
(1) All dimensions are in millimeters. Angles in degrees.
(2) Complies with JEDEC MO-203.
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CAT5110, CAT5118, CAT5119, CAT5123, CAT5124, CAT5125
PACKAGE DIMENSIONS
SOT−23, 5 Lead
CASE 527AH
ISSUE O
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
0.60 REF
PIN #1 IDENTIFICATION
L2
θ
0.25 REF
4°
0°
5°
5°
8°
15°
15°
TOP VIEW
θ1
10°
θ2
10°
θ1
A2
A
θ
b
L1
L
θ2
c
A1
L2
SIDE VIEW
END VIEW
Notes:
(1) All dimensions in millimeters. Angles in degrees.
(2) Complies with JEDEC standard MO-178.
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CAT5110/D
相关型号:
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