CAT5271ZI-50-GT3 ON Semiconductor, CAT5271ZI-50-GT3 Datasheet

IC POT DPP 50K 256TAP 10MSOP

CAT5271ZI-50-GT3

Manufacturer Part Number
CAT5271ZI-50-GT3
Description
IC POT DPP 50K 256TAP 10MSOP
Manufacturer
ON Semiconductor
Datasheet

Specifications of CAT5271ZI-50-GT3

Package / Case
10-MSOP, Micro10™, 10-uMAX, 10-uSOP
Mounting Type
Surface Mount
Voltage - Supply
2.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Temperature Coefficient
100 ppm/°C Typical
Interface
I²C, 2-Wire Serial
Resistance In Ohms
50K
Number Of Circuits
2
Memory Type
Volatile
Taps
256
Number Of Pots
Dual
Taps Per Pot
256
Resistance
50 KOhms
Wiper Memory
Volatile
Digital Interface
I2C
Operating Supply Voltage
2.7 V to 5.5 V
Supply Current
0.3 uA
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Description/function
Dual 256-Tap Digital Potentiometer
Mounting Style
SMD/SMT
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2.7 V
Tolerance
20 %
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
CAT5271, CAT5273
Dual 256-Position I
Compatible Digital
Potentiometers
programmable linear taper potentiometers ideally suited for replacing
mechanical potentiometers and variable resistors.
interface. Upon power−up, the wiper assumes a midscale position and
may be repositioned anytime after the power is stable. The devices can
be programmed to go to a shutdown state during operation.
consuming less than 2 mA. This low operating current, combined with
a small package footprint, makes them ideal for battery−powered
portable applications.
for the AD5243 and AD5248, are offered in the 10−lead MSOP
package and operate over the −40°C to +85°C industrial temperature
range.
Features
Typical Applications
*Two address decode pins (CAT5273 only) allowing
© Semiconductor Components Industries, LLC, 2011
March, 2011 − Rev. 2
multiple devices on the same bus
The CAT5271 and CAT5273 are dual 256−position digitally
The wiper settings are controlled through an I
The CAT5271 and CAT5273 operate from 2.7 V to 5.5 V, while
The CAT5271 and CAT5273, designed as pin for pin replacements
Chemical, and Optical Sensors
Dual 256−position
End−to−End Resistance: 50 kW, 100 kW
I
Power−on Preset to Midscale
Single Supply 2.7 V to 5.5 V
Low Temperature Coefficient 100 ppm/°C
Low Power, I
Wide Operating Temperature −40°C to +85°C
RoHS−compliant MSOP−10 Package (3 mm x 4.9 mm)
Potentiometer Replacement
Transducer Adjustment of Pressure, Temperature, Position,
RF Amplifier Biasing
Gain Control and Offset Adjustment
2
C Compatible Interface*
DD
2 mA max
2
2
C−compatible digital
C
1
1
*Contact factory for availability of CAT5273 − 100 kW
See detailed ordering and shipping information in the package
dimensions section on page 14 of this data sheet.
ANCC = CAT5721 − 50 kW
ANCE = CAT5721 − 100 kW
PA = CAT5273 − 50 kW*
Y = Production Year (Last Digit)
M = Production Month (1−9, O, N, D)
R = Revision
L = Assembly Location
XX = Last Two Digits of Assembly Lot Number
ANCC
GND
GND
YMR
AD0
V
V
W2
W2
B1
A1
B1
DD
DD
ORDERING INFORMATION
MARKING DIAGRAMS
PIN CONNECTIONS
http://onsemi.com
1
1
1
CASE 846AE
(Top Views)
MSOP−10
Z SUFFIX
CAT5271
CAT5273
ANCE
YMR
Publication Order Number:
1
CAT5271/D
PAYM
LXX
W1
B2
A2
SDA
SCL
W1
B2
AD1
SDA
SCL

Related parts for CAT5271ZI-50-GT3

CAT5271ZI-50-GT3 Summary of contents

Page 1

CAT5271, CAT5273 Dual 256-Position I Compatible Digital Potentiometers The CAT5271 and CAT5273 are dual 256−position digitally programmable linear taper potentiometers ideally suited for replacing mechanical potentiometers and variable resistors. The wiper settings are controlled through an I interface. Upon power−up, ...

Page 2

VCC Wiper Control Register 1 SCL SDA Wiper Control Register 2 GND Figure 1. CAT5271 Functional Block Diagram Table 1. PIN FUNCTION DESCRIPTION CAT5271 Pin No. Pin Name Terminal Terminal Terminal ...

Page 3

Table 3. ELECTRICAL CHARACTERISTICS and 100 kW Versions –40°C < Parameter DC CHARACTERISTICS — RHEOSTAT MODE Resistor Differential ...

Page 4

Table 4. CAPACITANCE T = 25° 1.0 MHz Symbol C Input/Output Capacitance (SDA, SCL) I/O (Note 11) Table 5. POWER UP TIMING (Notes 11 and 12) Symbol t Power−up to Read Operation ...

Page 5

DNL 0.01 0 −0.01 −0.02 −0.03 −0.04 −0. 128 160 TAP Figure 3. Potentiometer Divider Differential Non−Linearity 0.10 0.08 0.06 0.04 0.02 0 −0.02 −0. 128 160 TAP ...

Page 6

TEMPERATURE (°C) Figure 10. Change in End−to−End Resistance 0 −6 V − −18 −24 −30 − (KHz) ...

Page 7

Basic Operation The CAT5271 and CAT5273 are dual 256−position digitally controlled potentiometers. When power is first applied, the wipers assume a mid−scale position. Once the power supply is stable, the wipers may be repositioned via 2 the I C compatible ...

Page 8

ESD Protection Digital LOGIC Input GND Potentiometer GND Figure 15. ESD Protection Networks Terminal Voltage Operating Range The CAT5271/CAT5273 V and GND power supply DD define the limits for proper 3−terminal digital potentiometer operation. Signals or potentials ...

Page 9

I C Bus Protocol The following defines the features of the I 1. Data transfer may be initiated only when the bus is not busy. 2. During a data transfer, the data line must remain stable whenever the clock ...

Page 10

SDA SCL START CONDITION SCL FROM MASTER DATA OUTPUT FROM TRANSMITTER DATA OUTPUT FROM RECEIVER START Figure 19. Start/Stop Condition 1 Figure 20. Acknowledge Condition http://onsemi.com 10 STOP CONDITION 8 9 ACKNOWLEDGE ...

Page 11

INSTRUCTION AND REGISTER DESCRIPTION SLAVE ADDRESS BYTE The first byte sent to the CAT5271 from the master/processor is called the Slave Address Byte. The most significant seven bits of the slave address are a device type identifier. For the CAT5271, ...

Page 12

Table 10. CAT5271 Write Slave Address Byte SDA R Slave Address Byte T Table 11. CAT5271 ...

Page 13

E E1 TOP VIEW SIDE VIEW Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MO-187. PACKAGE DIMENSIONS MSOP 10, 3x3 CASE 846AE−01 ISSUE O SYMBOL MIN A A1 0.00 ...

Page 14

... All packages are RoHS−compliant (Lead−free, Halogen−free). 14. The device used in the following example: CAT5271ZI−00−GT3 is a MSOP, Industrial Temperature, 100 kW, NiPdAu, Tape & Reel, 3,000/Reel. 15. 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 ...

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