CAT5116VI-TE13 [CATALYST]
32K DIGITAL POTENTIOMETER, INCREMENT/DECREMENT CONTROL INTERFACE, 100 POSITIONS, PDSO8, LEAD AND HALOGEN FREE, SOIC-8;
| 型号： | CAT5116VI-TE13 |
| 厂家： | 
CATALYST SEMICONDUCTOR |
| 描述： | 32K DIGITAL POTENTIOMETER, INCREMENT/DECREMENT CONTROL INTERFACE, 100 POSITIONS, PDSO8, LEAD AND HALOGEN FREE, SOIC-8 光电二极管 |
| 文件： | 总8页 (文件大小：93K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
E
CAT5116
Log-Taper, 100-Tap Digitally Programmable Potentiometer (DPP™)
TM
FEATURES
APPLICATIONS
■ 100-position, log-taper potentiometer
■ Non-volatile EEPROM wiper storage
■ 10nA ultra-low standby current
■ Single-supply operation: 2.5V - 5.5V
■ Increment Up/Down serial interface
■ Resistance value: 32kΩ
■ Automated product calibration
■ Remote control adjustments
■ Offset, gain and zero control
■ Audio volume control
■ Sensor adjustment
■ Motor controls and feedback systems
■ Available in 8-pin MSOP, TSSOP, SOIC and DIP packages ■ Programmable analog functions
DESCRIPTION
The CAT5116 is a log-taper single digitally
programmable potentiometer (DPP™) designed as a
electronic replacement for mechanical potentiometers
and trim pots.
automatically reinstated when power is returned. The
wipercanbeadjustedtotestnewsystemvalueswithout
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.
Ideal for automated adjustments on high volume
production lines, DPP ICs are well suited for
applications where equipment requiring periodic
adjustment is either difficult to access or located in a
hazardous or remote environment.
The CAT5116 contains a 100-tap series resistor array
connected between two terminals RH and RL. An up/
down counter and decoder that are controlled by three
input pins, determines which tap is connected to the
wiper, RW.
The digitally programmable potentiometer can be
used as a three-terminal resistive divider or as a
two-terminal variable resistor.
The wiper setting, stored in nonvolatile memory, is not
lost when the device is powered down and is
FUNCTIONAL DIAGRAM
R
V
H
CC
V
CC
R
H
U/D
INTERFACE
&
WIPER
R
H
INC
CS
UP/DOWN
U/D
CONTROL
R
W
CONTROL
AND
MEMORY
Potentiometer
R = 32kΩ
R
INCREMENT
W
R
R
W
L
INC
EEPROM
CHIP SELECT
CS
POR
GND
R
L
GND
R
L
GENERAL
BLOCK DIAGRAM
POTENTIOMETER SCHEMATIC
© 2004 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
Doc. No. 2118, Rev. J
1
CAT5116
PIN CONFIGURATION
PIN FUNCTIONS
DIP Package (P, L)
TSSOP Package (U, Y)
Pin Name
Function
1
2
3
4
8
7
6
5
RL
CS
1
2
3
4
8
7
6
5
V
INC
Increment Control
Up/Down Control
INC
CC
V
CC
RW
CS
RL
U/D
RH
U/D
GND
RH
INC
U/D
GND
RW
R
H
Potentiometer High Terminal
Ground
GND
SOIC Package (S, V)
MSOP Package (R, Z)
R
W
R
L
Potentiometer Wiper Terminal
Potentiometer Low Terminal
Chip Select
1
2
3
4
8
7
6
5
V
INC
CC
1
2
3
4
8
7
6
5
INC
U/D
RH
VCC
CS
RL
CS
RL
U/D
RH
CS
GND
RW
GND
RW
VCC
Supply Voltage
PIN DESCRIPTIONS
CS: Chip Select
INC: Increment Control Input
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.
The INC input moves the wiper in the up or down
direction determined by the condition of the U/D input.
U/D: Up/Down Control Input
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
increment toward the RH terminal. When in a low state
and CS is low, any high-to-low transition on INC will
cause the wiper to move one increment towards the
RL terminal.
RH: High End Potentiometer Terminal
RH is the high end terminal of the potentiometer. It is not
required that this terminal be connected to a potential
greater than the RL terminal. Voltage applied to the RH
terminal cannot exceed the supply voltage, VCC or go
below ground, GND.
RW: Wiper Potentiometer Terminal
RW is the wiper terminal of the potentiometer. Its position
ontheresistorarrayiscontrolledbythecontrol inputs,INC,
U/D and CS. Voltage applied to the RW terminal cannot
exceedthesupplyvoltage, VCC orgobelowground, GND.
RL: Low End Potentiometer Terminal
RL is the low end terminal of the potentiometer. It is not
required that this terminal be connected to a potential
less than the RH terminal. Voltage applied to the RL
terminal cannot exceed the supply voltage, VCC or go
below ground, GND. RL and RH are electrically
interchangeable.
Doc. No. 2118, Rev. J
2
CAT5116
ABSOLUTE MAXIMUM RATINGS
Supply Voltage
Operating Ambient Temperature ........ -40°C to +85°C
Junction Temperature (10 secs) ..................... +150°C
Storage Temperature...................................... +150°C
Lead Soltering (10 sec max)........................... +300°C
V
CC to GND ....................................... -0.5V to +7V
Inputs
CS to GND ........................ -0.5V to VCC to +0.5V
INC to GND ....................... -0.5V to VCC to +0.5V
U/D to GND ....................... -0.5V to VCC to +0.5V
RH to GND ......................... -0.5V to VCC to +0.5V
RL to GND ......................... -0.5V to VCC to +0.5V
RW to GND ........................ -0.5V to VCC to +0.5V
*Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Absolute Maximum
Ratings are limited values applied individually while other param-
eters are within specified operating conditions, and functional
operation at any of these conditions is NOT implied. Device
performance and reliability may be impaired by exposure to
absolute rating conditions for extended periods of time.
RELIABILITY CHARACTERISTICS
Symbol
Parameter
Test Method
Min
Typ
Max
Units
(1)
VZAP
ESD Susceptibility
Latch-Up
MIL-STD-883, Test Method 3015
JEDEC Standard 17
2000
100
Volts
mA
(1)(2)
ILTH
TDR
Data Retention
Endurance
MIL-STD-883, Test Method 1008
100
Years
Stores
NEND
MIL-STD-883, Test Method 1003 1,000,000
DC ELECTRICAL CHARACTERISTICS: VCC = 2.5V to 5.5V unless otherwise specified.
Power Supply
Symbol Parameter
Conditions
Min
2.5
Typ
Max
5.5
Units
V
VCC
ICC1
Operating Voltage Range
(3)
Supply Current (Increment)
VCC = 5.5V, f = 1MHz, IW=0
VCC = 5.5V, f = 250kHz, IW=0
100
50
µA
ICC2
Supply Current (Write)
Programming, VCC = 5.5V
VCC = 3V
1
mA
500
µA
ISB1
Supply Current (Standby)
CS=VCC-0.3V
0.01
1
µA
U/D, INC=VCC-0.3V or GND
Logic Inputs
Symbol Parameter
Conditions
Min
Typ
Max
Units
IIH
Input Leakage Current
VIN = VCC
10
-10
µA
µA
V
IIL
Input Leakage Current
VIN = 0V
VIH1
VIL1
VIH2
VIL2
TTL High Level Input Voltage
TTL Low Level Input Voltage
CMOS High Level Input Voltage
CMOS Low Level Input Voltage
4.5V ≤ VCC ≤ 5.5V
2
0
VCC
0.8
V
2.5V ≤ VCC ≤ 5.5V
VCC x 0.7
-0.3
VCC + 0.3
VCC x 0.2
V
V
NOTES: (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 100mA on address and data pins from –1V to VCC + 1V
(3) IW=source or sink
Doc. No. 2118, Rev. J
3
CAT5116
POTENTIOMETER PARAMETERS
Symbol
RPOT
RTOL
VRH
Parameter
Conditions
Min
Typ
Max
Units
kΩ
%
Potentiometer Resistance
Pot Resistance Tolerance
Voltage on RH pin
Voltage on RL pin
Relative Variation
Wiper Resistance
32
± 20
VCC
VCC
0.05
0
0
V
VRL
V
*
RV
RWi
VCC = 5V, IW = 1mA
VCC = 2.5V, IW = 1mA
200
400
400
Ω
1000
IW
TCRPOT
TCRATIO
VN
Wiper Current
1
mA
ppm/oC
ppm/oC
nV/ Hz
pF
TC of Pot Resistance
Ratiometric TC
300
20
Noise
100kHz / 1kHz
8/24
8/8/25
1.7
CH/CL/CW
fc
Potentiometer Capacitances
Frequency Response
Passive Attenuator, 10kΩ
MHz
* Relative variation is a measure of the error in step size between taps
= log (VW(N)) - log(VW(N-1)) = 0.045 + 0.003
AC TEST CONDITIONS
V
CC
Range
2.5V ≤ V
≤ 5.5V
CC
Input Pulse Levels
0.2V to 0.7V
CC CC
Input Rise and Fall Times
Input Reference Levels
10ns
0.5V
CC
AC OPERATING CHARACTERISTICS
VCC = +2.5V to +5.5V, VH = VCC, VL = 0V, unless otherwise specified
Symbol Parameter
Min
Typ(1)
Max
Units
tCI
CS to INC Setup
100
50
ns
ns
tDI
U/D to INC Setup
tID
U/D to INC Hold
100
250
250
1
ns
tIL
INC LOW Period
ns
tIH
INC HIGH Period
ns
tIC
INC Inactive to CS Inactive
CS Deselect Time (NO STORE)
CS Deselect Time (STORE)
INC to VOUT Change
INC Cycle Time
µs
tCPH1
tCPH2
tIW
100
10
ns
ms
µs
1
5
5
tCYC
1
µs
(2)
tR, F
t
INC Input Rise and Fall Time
Power-up to Wiper Stable
Store Cycle
500
1
µs
(2)
tPU
msec
ms
tWR
10
Doc. No. 2118, Rev. J
4
CAT5116
TYPICAL CHARACTERISTICS
VCC = 5V, TAMB = 25°C,unless otherwise specified
Wiper-Low/High Resistances vs. Wiper Position
Wiper-Low Resistance vs. Wiper Position (log scale)
100
90
100.0
80
70
10.0
1.0
RH-RW
RW-RL
60
50
40
30
20
10
0
0.1
WIPER POSITION
WIPER POSITION
Wiper Resistance vs. Wiper Voltage
Standby Supply Current vs. Temperature
600
100
Vcc = 3.0V
500
80
Tap 84
400
60
Vcc = 5 V
300
40
20
200
Vcc = 4.4V
Tap 84
100
0
Vcc = 2.5 V
0
0
1
2
3
4
5
6
-40
-15
10
35
60
85
WIPER VOLTAGE[V]
TEMPERATURE [°C]
Doc. No. 2118, Rev. J
5
CAT5116
AC Timing
CS
(store)
tCYC
tIC
tCPH
tCI
tIL
tIH
90%
90%
INC
10%
tID
tDI
tR
tF
U/D
(3)
tIW
MI
R
W
(1) Typical values are for T =25˚C and nominal supply voltage.
A
(2) This parameter is periodically sampled and not 100% tested.
(3) MI in the AC Timing diagram refers to the minimum incremental change in the W output due to a change in the wiper position.
DEVICE OPERATION
OPERATING MODES
The CAT5116 operates like a digitally controlled
potentiometer with RH and RL equivalent to the high
and low terminals and RW equivalent to the mechanical
potentiometer's wiper. There are 100 tap positions
including the resistor end points, RH and RL. There are
99 resistor elements connected in series between the
RH and RL terminals. The wiper terminal is
connected to one of the 100 taps and is 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.
INC
High to Low
High to Low
High
CS
Low
U/D
High
Operation
Wiper Toward H
Wiper Toward L
Low
Low
X
Low to High
Low to High
High
Store Wiper Position
No Store, Return to Standby
Standby
Low
X
X
X
X: High or Low
RH
CH
Rwi
RW
CW
With CS set LOW the CAT5116 is selected and will
respond to the U/D and INC inputs. HIGH to LOW
transitions on INC wil 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
transitionsHIGHwhiletheINCinputisalsoHIGH. When
the CAT5116 is powered-down, the last stored wiper
counterpositionismaintainedinthenonvolatilememory.
When power is restored, the contents of the memory are
recalled and the counter is set to the value stored.
Potentiometer
Equivalent Circuit
CL
RL
With INC set low, the CAT5116 may be de-selected
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.
Doc. No. 2118, Rev. J
6
CAT5116
ORDERING INFORMATION
Prefix
Device #
5116
Suffix
S
CAT
I
TE13
Optional
Company ID
Product Number
Tape & Reel
SOIC: 2000/Reel
TSSOP: 2000/Reel
MSOP: 2500/Reel
Package
P: PDIP
S: SOIC
U: TSSOP
R: MSOP
L: PDIP (Lead free, Halogen free)
V: SOIC (Lead free, Halogen free)
Y: TSSOP (Lead free, Halogen free)
Z: MSOP (Lead free, Halogen free)
Notes:
(1) The device used in the above example is a CAT5116 SI-TE13 (SOIC, Industrial Temperature, Tape & Reel)
Doc. No. 2118, Rev. J
7
REVISION HISTORY
Date
Rev.
Reason
10/9/2003
G
Revised Features
Revised Potentiometer Schematic
Revised DC Electrical Characteristics
Updated Potentiometer Parameters
Updated Potentiometer Parameters
Changed Green Package marking for SOIC from W to V
Eliminated data sheet designation
Updated Reel Ordering Information
3/10/2004
3/29/2004
4/12/2004
H
I
J
Copyrights, Trademarks and Patents
Trademarks and registered trademarks of Catalyst Semiconductor include each of the following:
2
DPP ™
AE ™
Catalyst Semiconductor has been issued U.S. and foreign patents and has patent applications pending that protect its products. For a complete list of patents
issued to Catalyst Semiconductor contact the Company’s corporate office at 408.542.1000.
CATALYST SEMICONDUCTOR MAKES NO WARRANTY, REPRESENTATION OR GUARANTEE, EXPRESS OR IMPLIED, REGARDING THE SUITABILITY OF ITS
PRODUCTS FOR ANY PARTICULAR PURPOSE, NOR THAT THE USE OF ITS PRODUCTS WILL NOT INFRINGE ITS INTELLECTUAL PROPERTY RIGHTS OR THE
RIGHTS OF THIRD PARTIES WITH RESPECT TO ANY PARTICULAR USE OR APPLICATION AND SPECIFICALLY DISCLAIMS ANY AND ALL LIABILITY ARISING
OUT OF ANY SUCH USE OR APPLICATION, INCLUDING BUT NOT LIMITED TO, CONSEQUENTIAL OR INCIDENTAL DAMAGES.
Catalyst Semiconductor products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or
other applications intended to support or sustain life, or for any other application in which the failure of the Catalyst Semiconductor product could create a
situation where personal injury or death may occur.
Catalyst Semiconductor reserves the right to make changes to or discontinue any product or service described herein without notice. Products with data sheets
labeled "Advance Information" or "Preliminary" and other products described herein may not be in production or offered for sale.
Catalyst Semiconductor advises customers to obtain the current version of the relevant product information before placing orders. Circuit diagrams illustrate
typical semiconductor applications and may not be complete.
Catalyst Semiconductor, Inc.
Corporate Headquarters
1250 Borregas Avenue
Sunnyvale, CA 94089
Phone: 408.542.1000
Fax: 408.542.1200
Publication #: 2118
Revison:
J
Issue date:
4/12/04
www.catalyst-semiconductor.com
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