CAT5116ZI-GT3 [ONSEMI]
32K DIGITAL POTENTIOMETER, INCREMENT/DECREMENT CONTROL INTERFACE, 32 POSITIONS, PDSO8, ROHS COMPLIANT, MS-187, MSOP-8;
| 型号： | CAT5116ZI-GT3 |
| 厂家： | 
ONSEMI |
| 描述： | 32K DIGITAL POTENTIOMETER, INCREMENT/DECREMENT CONTROL INTERFACE, 32 POSITIONS, PDSO8, ROHS COMPLIANT, MS-187, MSOP-8 光电二极管 转换器 电阻器 |
| 文件： | 总11页 (文件大小：167K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
CAT5116
Log‐taper, 100‐tap
Digital Potentiometer (POT)
Description
The CAT5116 is a log-taper single digital POT designed as an
electronic replacement for mechanical potentiometers.
Ideal for automated adjustments on high volume production lines,
ICs are well suited for applications where equipment requiring
periodic adjustment is either difficult to access or located in a
hazardous or remote environment.
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The CAT5116 contains a 100-tap series resistor array connected
between two terminals R and R . An up/down counter and decoder
that are controlled by three input pins, determines which tap is
SOIC−8
V SUFFIX
CASE 751BD
MSOP−8
Z SUFFIX
CASE 846AD
H
L
connected to the wiper, R .
W
The wiper setting, stored in nonvolatile memory, is not lost when the
device is powered down and is automatically reinstated when power is
returned. The wiper can be adjusted to test new system values without
effecting the stored setting.
Wiper-control of the CAT5116 is accomplished with three input
control pins, CS, U/D, and INC. The INC input increments the wiper
in the direction which is determined by the logic state of the U/D input.
The CS input is used to select the device and also store the wiper
position prior to power down.
PDIP−8
L SUFFIX
CASE 646AA
TSSOP−8
Y SUFFIX
CASE 948AL
PIN CONFIGURATIONS
1
The digital POT can be used as a three-terminal resistive divider or
as a two-terminal variable resistor.
V
CC
INC
U/D
CS
R
R
L
H
Features
R
WB
GND
PDIP (L), SOIC (V), MSOP (Z)
100-position, Log-taper Potentiometer
Non-volatile EEPROM Wiper Storage
10 nA Ultra-low Standby Current
Single-supply Operation: 2.5 V − 5.5 V
Increment Up/Down Serial Interface
Resistance Value: 32 kW
1
R
R
GND
CS
CC
INC
L
W
V
R
U/D
H
TSSOP (Y)
(Top Views)
Available in 8-pin MSOP, TSSOP, SOIC and DIP Packages
These Devices are Pb-Free, Halogen Free/BFR Free and are RoHS
PIN FUNCTION
Compliant
Pin Name
INC
Function
Applications
Increment Control
Up/Down Control
U/D
Automated Product Calibration
Remote Control Adjustments
Offset, Gain and Zero Control
Audio Volume Control
Sensor Adjustment
Motor Controls and Feedback Systems
Programmable Analog Functions
R
Potentiometer High Terminal
Ground
H
GND
R
W
Buffered Wiper Terminal
Potentiometer Low Terminal
Chip Select
R
L
CS
V
CC
Supply Voltage
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. 14
CAT5116/D
CAT5116
Functional Diagram
R
H
V
CC
R
H
165
V
CC
LOG
TAPER
= 32 kW
Interface
&
R
H
R
W
R
L
U/D
INC
CS
R
TOT
Wiper
Control
U/D
Control
and
INC
CS
Potentiometer
R
R
W
R
W
Memory
R = 32 k
Power On
Recall
EEPROM
11
GND
GND
10.4
L
R
L
Figure 1. General
Figure 2. Block Diagram
Figure 3. Potentiometer
Schematic
Pin Description
Device Operation
The CAT5116 operates like a digitally controlled
INC: Increment Control Input
potentiometer with R and R equivalent to the high and low
H
L
The INC input moves the wiper in the up or down direction
determined by the condition of the U/D input.
terminals and
R
W
equivalent to the mechanical
potentiometer’s wiper. There are 100 tap positions including
the resistor end points, R and R . There are 99 resistor
U/D: Up/Down Control Input
H
L
The U/D input controls the direction of the wiper movement.
When in a high state and CS is low, any high-to-low
transition on INC will cause the wiper to move one
elements connected in series between the R and R
H L
terminals. The wiper terminal is connected to one of the 100
taps and controlled by three inputs, INC, U/D and CS. These
inputs control a seven-bit up/down counter whose output is
decoded to select the wiper position. The selected wiper
position can be stored in nonvolatile memory using the INC
and CS inputs.
increment toward the R terminal. When in a low state and
H
CS is low, any high-to-low transition on INC will cause the
wiper to move one increment towards the R terminal.
L
R : High End Potentiometer Terminal
H
With CS set LOW the CAT5116 is selected and will
respond to the U/D and INC inputs. HIGH to LOW
transitions on INC will increment or decrement the wiper
(depending on the state of the U/D input and seven-bit
counter). The wiper, when at either fixed terminal, acts like
its mechanical equivalent and does not move beyond the last
position. The value of the counter is stored in nonvolatile
memory whenever CS transitions HIGH while the INC input
is also HIGH. When the CAT5116 is powered-down, the last
stored wiper counter position is maintained in the
nonvolatile memory. When power is restored, the contents
of the memory are recalled and the counter is set to the value
stored.
R
is the high end terminal of the potentiometer. It is not
H
required that this terminal be connected to a potential greater
than the R terminal. Voltage applied to the R terminal
cannot exceed the supply voltage, V or go below ground,
L
H
CC
GND.
R : Wiper Potentiometer Terminal
W
R
is the wiper terminal of the potentiometer. Its position on
W
the resistor array is controlled by the control inputs, INC,
U/D and CS. Voltage applied to the R terminal cannot
exceed the supply voltage, V or go below ground, GND.
W
CC
R : Low End Potentiometer Terminal
L
R is the low end terminal of the potentiometer. It is not
L
With INC set low, the CAT5116 may be deselected and
powered down without storing the current wiper position in
nonvolatile memory. This allows the system to always
power up to a preset value stored in nonvolatile memory.
required that this terminal be connected to a potential less
than the R terminal. Voltage applied to the R terminal
cannot exceed the supply voltage, V or go below ground,
GND. R and R are electrically interchangeable.
H
L
CC
L
H
CS: Chip Select
The chip select input is used to activate the control input of
the CAT5116 and is active low. When in a high state, activity
on the INC and U/D inputs will not affect or change the
position of the wiper.
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2
CAT5116
Table 1. OPERATION MODES
INC
High to Low
High to Low
High
CS
Low
U/D
High
Low
X
Operation
Wiper toward H
Low
Wiper toward L
Low to High
Low to High
High
Store Wiper Position
No Store, Return to Standby
Standby
Low
X
X
X
R
H
C
H
R
WI
R
W
C
W
C
L
R
L
Figure 4. Potentiometer Equivalent Circuit
Table 2. ABSOLUTE MAXIMUM RATINGS
Parameters
Ratings
Units
Supply Voltage
V
V
to GND
−0.5 to +7
CC
Inputs
V
CS to GND
INC to GND
U/D to GND
−0.5 to V +0.5
CC
−0.5 to V +0.5
V
V
CC
−0.5 to V +0.5
CC
R
to GND
−0.5 to V +0.5
V
H
CC
R to GND
L
−0.5 to V +0.5
V
CC
R
W
to GND
−0.5 to V +0.5
V
CC
Operating Ambient Temperature
Industrial (‘I’ suffix)
C
−40 to +85
+150
Junction Temperature (10 s)
Storage Temperature
C
C
C
+150
Lead Soldering (10 s max)
+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.
Table 3. RELIABILITY CHARACTERISTICS
Symbol
(Note 1)
Parameter
ESD Susceptibility
Latch-up
Test Method
Min
2000
Typ
Max
Units
V
V
MIL−STD−883, Test Method 3015
JEDEC Standard 17
ZAP
I
(Notes 1, 2)
100
mA
LTH
T
Data Retention
Endurance
MIL−STD−883, Test Method 1008
MIL−STD−883, Test Method 1003
100
Years
Stores
DR
N
1,000,000
END
1. This parameter is tested initially and after a design or process change that affects the parameter.
2. Latch-up protection is provided for stresses up to 100 mA on address and data pins from −1 V to V + 1 V.
CC
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3
CAT5116
Table 4. DC ELECTRICAL CHARACTERISTICS (V = +2.5 V to +5.5 V unless otherwise specified)
CC
Symbol
Parameter
Conditions
Min
Typ
Max
Units
POWER SUPPLY
V
Operating Voltage Range
Supply Current (Increment)
2.5
–
–
–
5.5
100
50
1
V
CC
I
(Note 5)
V
V
= 5.5 V, f = 1 MHz, I = 0
mA
mA
mA
mA
mA
CC1
CC
W
= 5.5 V, f = 250 kHz, I = 0
–
–
CC
W
I
Supply Current (Write)
Programming, V = 5.5 V
–
–
CC2
CC
V
CC
= 3 V
–
–
500
1
I
Supply Current (Standby)
CS = V − 0.3 V
U/D, INC = V − 0.3 V or GND
–
0.01
SB1
CC
CC
LOGIC INPUTS
I
Input Leakage Current
V
V
= V
CC
–
–
2
0
–
–
–
–
–
–
10
mA
mA
V
IH
IN
I
Input Leakage Current
= 0 V
−10
IL
IN
V
IH1
TTL High Level Input Voltage
TTL Low Level Input Voltage
CMOS High Level Input Voltage
CMOS Low Level Input Voltage
4.5 V V 5.5 V
V
CC
CC
V
0.8
+ 0.3
V
IL1
V
IH2
2.5 V V 5.5 V
V
CC
x 0.7
V
CC
V
CC
V
−0.3
V
x 0.2
V
IL2
CC
POTENTIOMETER PARAMETERS
R
Potentiometer Resistance
Pot. Resistance Tolerance
32
kW
%
V
POT
R
20
TOL
V
Voltage on R pin
0
0
V
CC
V
CC
RH
H
V
Voltage on R pin
V
RL
L
R
V
(Note 6)
Relative Variation
Wiper Resistance
0.05
400
1000
1
R
WI
V
V
= 5 V, I = 1 mA
200
400
W
W
CC
W
= 2.5 V, I = 1 mA
CC
W
I
W
Wiper Current
mA
TC
TC of Pot Resistance
Ratiometric TC
300
ppm/C
ppm/C
nV/Hz
pF
RPOT
RATIO
TC
20
V
Noise
100 kHz / 1 kHz
8/24
8/8/25
1.7
N
C /C /C
H
Potentiometer Capacitances
Frequency Response
L
W
fc
Passive Attenuator, 10 kW
MHz
3. Latch-up protection is provided for stresses up to 100 mA on address and data pins from −1 V to V + 1 V.
CC
4. This parameter is tested initially and after a design or process change that affects the parameter.
5. I = source or sink.
W
6. Relative variation is a measure of the error in step size between taps = log (V
) − log(V
W(N)
) = 0.045 0.003.
W(N−1)
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4
CAT5116
Table 5. AC TEST CONDITIONS
V
CC
Range
2.5 V V 5.5 V
CC
Input Pulse Levels
0.2 V to 0.7 V
CC
CC
Input Rise and Fall Times
Input Reference Levels
10 ns
0.5 V
CC
Table 6. AC OPERATING CHARACTERISTICS (V = +2.5 V to +5.5 V, V = V , V = 0 V, unless otherwise specified)
CC
H
CC
L
Symbol
Parameter
Min
100
50
100
250
250
1
Typ (Note 7)
Max
−
Units
ns
t
CI
t
DI
t
ID
CS to INC Setup
U/D to INC Setup
U/D to INC Hold
INC LOW Period
INC HIGH Period
−
−
−
−
−
−
−
−
1
−
−
–
5
−
ns
−
ns
t
−
ns
IL
IH
IC
t
t
−
ns
INC Inactive to CS Inactive
CS Deselect Time (NO STORE)
CS Deselect Time (STORE)
−
ms
t
t
100
10
−
−
ns
CPH1
CPH2
−
ms
ms
t
IW
INC to V
Change
5
OUT
t
INC Cycle Time
1
−
ms
CYC
t , t (Note 8) INC Input Rise and Fall Time
−
500
1
ms
R
F
t
(Note 8)
Power-up to Wiper Stable
Store Cycle
–
ms
ms
PU
t
–
10
WR
7. Typical values are for T = 25C and nominal supply voltage.
A
8. This parameter is periodically sampled and not 100% tested.
9. MI in the A.C. Timing diagram refers to the minimum incremental change in the W output due to a change in the wiper position.
CS
(store)
t
CYC
t
t
IC
CPH
t
CI
t
IL
t
IH
90%
90%
10%
INC
U/D
t
DI
t
ID
t
F
t
R
(3)
t
IW
MI
R
W
Figure 5. A.C. Timing
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5
CAT5116
TYPICAL CHARACTERISTICS
(V = 5 V, T
= 25C, unless otherwise specified)
CC
AMB
100
90
80
70
60
50
40
30
20
100
R
− R
H
W
10
1
R
− R
L
W
10
0
0.1
0
10 20 30 40
50 60 70
80 90 100
0
10 20
30 40 50 60 70 80 90 100
WIPER POSITION
WIPER POSITION
Figure 6. Wiper-Low/High Resistances vs.
Wiper Position
Figure 7. Wiper-Low Resistance vs. Wiper
Position (Log Scale)
600
500
400
300
200
100
80
V
= 3.0 V
CC
Tap 84
60
V
CC
= 5 V
V
= 4.4 V
CC
Tap 84
40
20
0
100
0
V
CC
= 2.5 V
0
1
2
3
4
5
6
−40
−15
10
35
60
85
WIPER VOLTAGE (V)
TEMPERATURE (C)
Figure 8. Wiper Resistance vs. Wiper Voltage
Figure 9. Standby Supply Current vs.
Temperature
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6
CAT5116
Table 7. ORDERING INFORMATION
†
Device
Package
Shipping
CAT5116LI−G
PDIP−8
50 Units / Rail
100 Units / Rail
(Pb−Free)
CAT5116VI−G
CAT5116VI−GT3
CAT5116YI−G
CAT5116YI−GT3
CAT5116ZI
SOIC−8
(Pb−Free)
SOIC−8
(Pb−Free)
3000 / Tape & Reel
100 Units / Rail
TSSOP−8
(Pb−Free)
TSSOP−8
(Pb−Free)
3000 / Tape & Reel
96 Units / Rail
MSOP−8
(Pb−Free)
CAT5116ZI−T3
MSOP−8
(Pb−Free)
3000 / Tape & Reel
†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.
10.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.
11. All packages are RoHS-compliant (Lead-free, Halogen-free).
12.The standard lead finish is NiPdAu.
13.Contact factory for Matte-Tin finish.
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7
CAT5116
PACKAGE DIMENSIONS
PDIP−8, 300 mils
CASE 646AA
ISSUE A
SYMBOL
MIN
NOM
MAX
A
5.33
A1
A2
b
0.38
2.92
0.36
3.30
0.46
1.52
0.25
9.27
4.95
0.56
1.78
0.36
10.16
b2
c
1.14
0.20
9.02
E1
D
E
E1
e
7.62
6.10
7.87
6.35
8.25
7.11
2.54 BSC
7.87
2.92
10.92
3.80
eB
L
PIN # 1
IDENTIFICATION
3.30
D
TOP VIEW
E
A2
A1
A
c
b2
L
eB
e
b
SIDE VIEW
END VIEW
Notes:
(1) All dimensions are in millimeters.
(2) Complies with JEDEC MS-001.
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8
CAT5116
PACKAGE DIMENSIONS
SOIC 8, 150 mils
CASE 751BD
ISSUE O
SYMBOL
MIN
NOM
MAX
1.35
A
A1
b
1.75
0.25
0.51
0.25
0.10
0.33
0.19
c
E1
E
D
E
E1
e
4.80
5.80
3.80
5.00
6.20
4.00
1.27 BSC
h
0.25
0.40
0º
0.50
1.27
8º
L
PIN # 1
IDENTIFICATION
θ
TOP VIEW
D
h
A1
θ
A
c
e
b
L
SIDE VIEW
END VIEW
Notes:
(1) All dimensions are in millimeters. Angles in degrees.
(2) Complies with JEDEC MS-012.
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9
CAT5116
PACKAGE DIMENSIONS
MSOP 8, 3x3
CASE 846AD
ISSUE O
SYMBOL
MIN
NOM
MAX
A
A1
A2
b
1.10
0.15
0.95
0.38
0.23
3.10
5.00
3.10
0.05
0.75
0.22
0.13
2.90
4.80
2.90
0.10
0.85
c
D
3.00
4.90
E
E1
E
E1
e
3.00
0.65 BSC
0.60
L
0.40
0.80
L1
L2
θ
0.95 REF
0.25 BSC
0º
6º
TOP VIEW
D
A2
A
DETAIL A
A1
e
b
c
SIDE VIEW
END VIEW
q
L2
Notes:
L
(1) All dimensions are in millimeters. Angles in degrees.
(2) Complies with JEDEC MO-187.
L1
DETAIL A
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10
CAT5116
PACKAGE DIMENSIONS
TSSOP8, 4.4x3
CASE 948AL
ISSUE O
b
SYMBOL
MIN
NOM
MAX
A
A1
A2
b
1.20
0.15
1.05
0.30
0.20
3.10
6.50
4.50
0.05
0.80
0.19
0.09
2.90
6.30
4.30
0.90
E
c
E1
D
3.00
6.40
E
E1
e
4.40
0.65 BSC
1.00 REF
0.60
L
L1
0.50
0.75
0º
8º
θ
e
TOP VIEW
D
c
A2
A
q1
A1
L1
L
SIDE VIEW
END VIEW
Notes:
(1) All dimensions are in millimeters. Angles in degrees.
(2) Complies with JEDEC MO-153.
ON Semiconductor and
are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC owns the rights to a number of patents, trademarks,
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reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any
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limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications
and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC
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