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PDF X9315 Data sheet ( Hoja de datos )
| Número de pieza | X9315 | |
| Descripción | E 2 POT TM Nonvolatile Digital Potentiometer | |
| Fabricantes | Xicor | |
| Logotipo |  |
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APPLICATION NOTE
A V A I LABLE
AN104
Low Noise, Low Power, 32 Taps
X9315
E2POTTM Nonvolatile Digital Potentiometer
FEATURES
• Low Power CMOS
—VCC = 2.7V to 5.5V, Single Supply
—Active Current, 50µA (Increment) max
—Active Current, 400µA (Store) Max
—Standby Current, 1µA Max
• Low Noise
• 31 Resistive Elements
—Temperature Compensated
—± 20% End to End Resistance Range
—VSS to VCC Range
• 32 Wiper Tap Points
—Wiper Positioned via Three-Wire Interface
—Similar to TTL Up/Down Counter
—Wiper Position Stored in Nonvolatile Memory
and Recalled on Power-Up
• 100 Year Wiper Position Data Retention
• X9315Z = 1KΩ
• X9315W = 10KΩ
• Packages
—8-Lead SOIC
—8-Lead MSOP
—8-Pin DIP
FUNCTIONAL DIAGRAM
DESCRIPTION
The Xicor X9315 is a solid state "micropower" nonvol-
atile potentiometer and is ideal for digitally controlled
resistance trimming.
The X9315 is a resistor array composed of 31 resistive
elements. Between each element and at either end are
tap points accessible to the wiper element. The posi-
tion 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 sub-
sequent power-up operation.
The resolution of the X9315 is equal to the maximum
resistance value divided by 31. As an example, for the
X9315W (10KΩ) each tap point represents 323Ω.
All Xicor nonvolatile digital potentiometers are de-
signed and tested for applications requiring extended
endurance and data retention.
U/D 5-BIT
INC UP/DOWN
CS COUNTER
CMOS SWITCH
VH
5-BIT
NONVOLATILE
MEMORY
STORE AND
RECALL
CONTROL
CIRCUITRY
ONE
OF
THIRTY-
TWO
WIPER
POSITION
DECODER
E2POT™ is a trademark of Xicor, Inc.
6732-2.0 5/30/97 T1/C0/D0 SH
1
RESISTOR
ARRAY
VL
VW
6732 FM1
Characteristics subject to change without notice
1 page  
X9315
RECOMMENDED OPERATING CONDITIONS
Temperature
Commercial
Industrial
Min.
0°C
–40°C
Max.
+70°C
+85°C
6732 PGM T02
Supply Voltage
X9315
X9315-2.7
Limits
5V ±10%
2.7V to 5.5V
6732 PGM T03
D.C. OPERATING CHARACTERISTICS (Over recommended operating conditions unless otherwise specified.)
Symbol
ICC1
ICC2
ISB
Parameter
VCC Active Current
(Increment)
VCC Active Current
(Store)
Standby Supply Current
ILI
VIH
VIL
RW
VVH
VVL
CIN(5)
CS, INC, U/D Input
Leakage Current
CS, INC, U/D Input
HIGH Voltage
CS, INC, U/D Input
LOW Voltage
Wiper Resistence
VH Terminal Voltage
VL Terminal Voltage
CS, INC, U/D Input
Capacitance
Min.
2
–0.5
VSS
VSS
Limits
Typ.(4)
Max.
50
400
1
±10
VCC + 1
0.8
400 1000
VCC
VCC
10
Units
µA
µA
µA
µA
V
V
Ω
V
V
pF
Test Conditions
CS = VIL, U/D = VIL or VIH and
INC = 0.4V/2.4V @ max. tCYC
CS = VIH, U/D = VIL or VIH
and INC = VIH
CS = VCC – 0.3V, U/D and
INC = VSS or VCC – 0.3V
VIN = VSS to VCC
Max. Wiper Current ±1mA
VCC = 5V, VIN = VSS,
TA = 25°C, f = 1MHz
6732 PGM T04
STANDARD PARTS
Part Number
X9315Z
X9315W
Maximum Resistance
1KΩ
10KΩ
Notes: (4) Typical values are for TA = 25°C and nominal supply voltage.
(5) This parameter is periodically sampled and not 100% tested.
Wiper Increments
32.3Ω
323Ω
Minimum Resistance
100Ω
100Ω
6732 PGM T05
5
5 Page 
X9315
PACKAGING INFORMATION
8-LEAD PLASTIC DUAL IN-LINE PACKAGE TYPE P
0.430 (10.92)
0.360 (9.14)
PIN 1 INDEX
PIN 1
0.300
(7.62) REF.
0.260 (6.60)
0.240 (6.10)
0.060 (1.52)
0.020 (0.51)
HALF SHOULDER WIDTH ON
ALL END PINS OPTIONAL
SEATING
PLANE
0.150 (3.81)
0.125 (3.18)
0.110 (2.79)
0.090 (2.29)
0.145 (3.68)
0.128 (3.25)
0.025 (0.64)
0.015 (0.38)
0.065 (1.65)
0.045 (1.14)
0.020 (0.51)
0.016 (0.41)
0.015 (0.38)
MAX.
TYP .0.010 (0.25)
0.325 (8.25)
0.300 (7.62)
0°
15°
NOTE:
1. ALL DIMENSIONS IN INCHES (IN PARENTHESES IN MILLIMETERS)
2. PACKAGE DIMENSIONS EXCLUDE MOLDING FLASH
11
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet X9315.PDF ] | |
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