X9C303_07 INTERSIL [Intersil Corporation], X9C303_07 Datasheet

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X9C303_07

Manufacturer Part Number
X9C303_07
Description
Logarithmic Digitally Controlled Potentiometer
Manufacturer
INTERSIL [Intersil Corporation]
Datasheet
1.X9C303_07.pdf (10 pages)
Terminal Voltage ±5V, 100 Taps, Log Taper
Description
The Intersil X9C303 is a digitally controlled potentiometer
(XDCP). The device consists of a resistor array, wiper
switches, a control section, and nonvolatile memory. The
wiper position is controlled by a three-wire interface.
The resistor array is composed of 99 resistive elements.
Between each element and at either end are tap points
accessible to the wiper terminal. The position of the wiper
element is controlled by the CS, U/D, and INC inputs. The
position of the wiper can be stored in nonvolatile memory
and then be recalled upon a subsequent power-up
operation.
The device can be used as a three-terminal potentio-meter
or as a two-terminal variable resistor in a wide variety of
applications ranging from control, to signal processing, to
parameter adjustment. Digitally-controlled potentiometers
provide three powerful application advantages; (1) the
variability and reliability of a solid-state potentiometer, (2) the
flexibility of computer-based digital controls, and (3) the use
of nonvolatile memory for potentiometer settings retention.
Block Diagram
V
V
U/D
INC
CS
CC
SS
®
Store and
Nonvolatile
Up/Down
Circuitry
Counter
Memory
Control
Recall
1
7-Bit
7-Bit
Data Sheet
Logarithmic Digitally Controlled Potentiometer (XDCP™)
Hundred
Decoder
XDCP is a trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2005, 2007. All Rights Reserved
1-888-INTERSIL or 1-888-468-3774
One-
One
of
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
99
98
97
96
2
1
0
Features
• Solid-state potentiometer
• Three-wire serial interface
• 100 wiper tap points
• 99 resistive elements, log taper
• Low power CMOS
• High reliability
• Packages
- Wiper position stored in nonvolatile memory and
- Temperature compensated
- End to end resistance, 32kΩ ±15%
- Terminal voltages, ±5V
- V
- Active current, 3mA max.
- Standby current, 750µA max.
- Endurance, 100,000 data changes per bit
- Register data retention, 100 years
- 8 Ld TSSOP
- 8 Ld SOIC
- 8 Ld PDIP
recalled on power-up
January 24, 2007
Transfer
CC
Gates
All other trademarks mentioned are the property of their respective owners.
= 5V
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Resistor
Array
R
R
R
H/
L/
W/
V
V
V
L
H
W
X9C303
FN8223.1

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X9C303_07 Summary of contents

Page 1

Data Sheet Terminal Voltage ±5V, 100 Taps, Log Taper Description The Intersil X9C303 is a digitally controlled potentiometer (XDCP). The device consists of a resistor array, wiper switches, a control section, and nonvolatile memory. The wiper position is controlled ...

Page 2

Ordering Information PART NUMBER PART MARKING X9C303P X9C303P X9C303PI X9C303P I X9C303PIZ (Note) X9C303P ZI X9C303PZ (Note) X9C303P Z X9C303S8* X9C303S X9C303S8I* X9C303S I X9C303S8IZ* (Note) X9C303S ZI X9C303S8Z* (Note) X9C303S Z X9C303V8* 9C303 X9C303V8I* C303 I X9C303V8IZ* (Note) C303 ...

Page 3

Potentiometer Relationships S100 S99 R99 R98 S98 20Log ------------------------------------------------- = R TOTAL R ...

Page 4

Symbol Table WAVEFORM INPUTS OUTPUTS Must be Will be steady steady May change Will change from Low to from Low to High High May change Will change from High to from High to Low Low Don’t Care: Changing: Changes State ...

Page 5

Absolute Maximum Ratings Temperature Under Bias . . . . . . . . . . . . . . . . . . . . .-65°C to +135°C Storage Temperature . . . . . . . . . ...

Page 6

DC Electrical Specifications Over recommended operating conditions unless otherwise specified. (Continued) SYMBOL PARAMETER EEPROM SPECS EEPROM Endurance EEPROM Retention Standard Parts PART NUMBER X9C303 NOTES: 1. Typical values are for T = +25°C and nominal supply voltage. A A.C. Conditions ...

Page 7

A.C. Timing INC t U NOTES: 2. Typical values are for T = +25°C and nominal supply voltage This parameter is not 100% tested the A.C. ...

Page 8

Thin Shrink Small Outline Plastic Packages (TSSOP) N INDEX 0.25(0.010) E AREA E1 - 0.05(0.002) SEATING PLANE - -C- α 0.10(0.004) 0.10(0.004 NOTES: 1. These package ...

Page 9

Small Outline Package Family (SO PIN #1 I.D. MARK 0.010 SEATING PLANE 0.004 C 0.010 MDP0027 SMALL OUTLINE PACKAGE FAMILY (SO) SYMBOL SO-8 SO-14 ...

Page 10

Plastic Dual-In-Line Packages (PDIP) D SEATING PLANE MDP0031 PLASTIC DUAL-IN-LINE PACKAGE SYMBOL PDIP8 PDIP14 A 0.210 0.210 A1 0.015 0.015 A2 0.130 0.130 b 0.018 0.018 b2 0.060 0.060 c 0.010 0.010 D 0.375 0.750 E 0.310 ...

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