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Número de pieza | X9C103 | |
Descripción | E2POT Nonvolatile Digital Potentiometer | |
Fabricantes | Xicor | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de X9C103 (archivo pdf) en la parte inferior de esta página. Total 15 Páginas | ||
No Preview Available ! APPLICATION NOTES
AVA I L A B L E
AN42 • AN44–48 • AN50 • AN52 • AN53 • AN71 • AN73
XTe9rCm1i0n2a/l1V0o3/l1ta0g4e/5±053V, 100 Taps
X9C102/103/104/503
E2POT™ Nonvolatile Digital Potentiometer
FEATURES
• Compatible with X9102/103/104/503
• Low Power CMOS
—VCC = 5V
—Active Current, 3mA Max
—Standby Current, 500µA Max
• 99 Resistive Elements
—Temperature Compensated
—± 20% End to End Resistance Range
• 100 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
• X9C102 = 1KΩ
• X9C103 = 10KΩ
• X9C503 = 50KΩ
• X9C104 = 100KΩ
DESCRIPTION
The Xicor X9C102/103/104/503 is a solid state nonvola-
tile potentiometer and is ideal for digitally controlled
resistance trimming.
The X9C102/103/104/503 is a resistor array composed of
99 resistive elements. Between each element and at
either end are tap points accessible to the wiper element.
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 resolution of the X9C102/103/104/503 is equal to
the maximum resistance value divided by 99. As an
example, for the X9C503 (50KΩ) each tap point repre-
sents 505Ω.
All Xicor nonvolatile memories are designed and tested
for applications requiring extended endurance and data
retention.
FUNCTIONAL DIAGRAM
U/D 7-BIT
INC UP/DOWN
CS COUNTER
7-BIT
NONVOLATILE
MEMORY
VCC
GND
STORE AND
RECALL
CONTROL
CIRCUITRY
99
98
97
ONE 96
OF
ONE-
HUNDRED
DECODER
2
1
0
VH
TRANSFER
GATES
RESISTOR
ARRAY
VL
VW
3863 FHD F01
E2POT™ is a trademark of Xicor, Inc.
©Xicor, Inc. 1994, 1995 Patents Pending
3863-2.4 9/18/96 T2/C0/D0 SH
1 Characteristics subject to change without notice
1 page X9C102/103/104/503
RECOMMENDED OPERATING CONDITIONS
Temperature
Min.
Max.
Commercial
Industrial
Military
0°C
–40°C
–55°C
+70°C
+85°C
+125°C
3863 PGM T03.1
Supply Voltage
X9C102/103/104/503
Limits
5V ±10%
3863 PGM T04.2
D.C. OPERATING CHARACTERISTICS (Over recommended operating conditions unless otherwise specified.)
Symbol
Parameter
ICC VCC Active Current
ISB Standby Supply Current
ILI
VIH
VIL
RW
VH
VL
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.
Limits
Typ.(4)
1
200
Max.
3
500
±10
Units
mA
µA
µA
Test Conditions
CS = VIL, U/D = VIL or VIH and
INC = 0.4V to 2.4V @ max. tCYC
CS = VCC – 0.3V, U/D and INC =
VSS or VCC – 0.3V
VIN = VSS to VCC
2 VCC + 1 V
–1 0.8 V
40
–5
–5
100 Ω Max. Wiper Current ±1mA
+5 V
+5 V
10 pF VCC = 5V, VIN = VSS,
TA = 25°C, f = 1MHz
3863 PGM T05.3
STANDARD PARTS
Part Number
Maximum Resistance
Wiper Increments
Minimum Resistance
X9C102
X9C103
X9C503
X9C104
1KΩ
10KΩ
50KΩ
100KΩ
10.1Ω
101Ω
505Ω
1010Ω
40Ω
40Ω
40Ω
40Ω
3863 PGM T08.1
Notes: (4) Typical values are for TA = 25°C and nominal supply voltage.
(5) This parameter is periodically sampled and not 100% tested.
5
5 Page X9C102/103/104/503
Typical Linearity for X9C503
10
8
6
4
2
0
-2
-4
-6
-8
-10
0 10 20 30 40 50 60 70 80 90 100
WIPER POSITION
Typical Frequency Response for X9C104
9
6
3
0
-3
-6
-9
-12
-15
-18
-21
0.01
0.10
1.00
10.00 100.00
FREQUENCY IN KHz
1000.00
11
TEST CONDITIONS
VCC = 5V
Temp. = 25°C
Test Circuit #2
KEY:
= ABSOLUTE
= RELATIVE
0039–9
3863 FHD F14
TEST CONDITIONS
VCC = 5V
Temp. = 25°C
Wiper @ Tap 50
VH = 0.5VRMS
Normalized (0dB @ 1 KHz)
Test Circuit #1
3863 FHD F15
11 Page |
Páginas | Total 15 Páginas | |
PDF Descargar | [ Datasheet X9C103.PDF ] |
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X9C103 | E2POT Nonvolatile Digital Potentiometer | Xicor |
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