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PDF X9015 Data sheet ( Hoja de datos )
| Número de pieza | X9015 | |
| Descripción | Digitally-Controlled Potentiometer | |
| Fabricantes | Xicor | |
| Logotipo |  |
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Low Noise, Low Power
X9015
Digitally-Controlled Potentiometer
FEATURES
• 32 Taps
• Three-wire Up/Down Serial Interface
• VCC = 2.7V & 5V
• Operating ICC = 50µA Max.
• Standby current = 1µA Max.
• RTOTAL = 50KΩ
• Packages, SOIC-8
DESCRIPTION
The Xicor X9015 is a 32 tap potentiometer that is volatile.
The device consists of a string of 31 resistors that can be
programmed to connect the RW/VW wiper output with
any of the nodes between the connecting resistors. The
connection point of the wiper is determined by
information communicated to the device on the 3-wire
port. The 3-wire port changes the tap position by a falling
edge on the increment pin. Direction the wiper moves is
determined by the state of the Up/Down pin. The wiper
position at power up is tap #15.
The X9015 can be used in a wide variety of applications
that require a digitally controlled variable resistor to set
analog values.
FUNCTIONAL DIAGRAMS
VCC (Supply Voltage)
UP/DOWN
(U/D)
INCREMENT
(INC)
DEVICE SELECT
(CS)
CONTROL
VSS (Ground)
GENERAL
RH/VH
RW/VW
RL/VL
U/D
INC
CS
VCC
VSS
5-BIT
UP/DOWN
COUNTER
CONTROL
CIRCUITRY
31
30
29
28
ONE
OF
THIRTY TWO
DECODER
2
1
0
TRANSFER
GATES
RESISTOR
ARRAY
DETAILED
RH/VH
RL/VL
RW/VW
9900-2009.3 9/20/99 PS
1 Characteristics subject to change without notice
1 page  
X9015
D.C. OPERATING CHARACTERISTICS (Over recommended operating conditions unless otherwise specified.)
Limits
Symbol
Parameter
Min. Typ.(4) Max.
Units
Test Conditions
ICC1
ISB
ILI
VIH
VCC Active Current
(Increment)
Standby Supply Current
CS, INC, U/D Input
Leakage Current
CS, INC, U/D Input
HIGH Voltage
VCC x 0.7
50
1
±10
VCC + 0.5
µA
µA
µA
V
CS = VIL, U/D = VIL or VIH and
INC = 0.4V @ max. tCYC
CS = VCC – 0.3V, U/D and
INC = VSS or VCC – 0.3V
VIN = VSS to VCC
VIL CS, INC, U/D Input
LOW Voltage
–0.5
VCC x 0.1
V
CIN(5)
CS, INC, U/D Input
Capacitance
10 pF VCC = 5V, VIN = VSS,
TA = 25°C, f = 1MHz
Test Circuit #1
Test Circuit #2
VH/RH
VH/RH
TEST POINT
VS
TEST POINT
VWW/RW
VW/RW
FORCE
VL/RL
VLL/RL
CURRENT
Circuit #3 SPICE Macromodel
RTOTAL
RH
CH
CW CL RL
10pF
10pF
25pF
RW
5
5 Page 
X9015
ORDERING INFORMATION
X9015 X
XXX
VCC Limits
Blank = 5V ±10%
–2.7 = 2.7V to 5.5V
Temperature Range
Blank = Commercial = 0°C to +70°C
I = Industrial = –40°C to +85°C
Package
S = 8-Lead SOIC
End to End Resistance
U = 50KΩ
Physical Characteristics
Marking Includes
Manufacturer’s Trademark
Resistance Value or Code
Date Code
LIMITED WARRANTY
Devices sold by Xicor, Inc. are covered by the warranty and patent indemnification provisions appearing in its Terms of Sale only. Xicor, Inc.
makes no warranty, express, statutory, implied, or by description regarding the information set forth herein or regarding the freedom of the
described devices from patent infringement. Xicor, Inc. makes no warranty of merchantability or fitness for any purpose. Xicor, Inc. reserves the
right to discontinue production and change specifications and prices at any time and without notice.
Xicor, Inc. assumes no responsibility for the use of any circuitry other than circuitry embodied in a Xicor, Inc. product. No other circuits, patents,
licenses are implied.
U.S. PATENTS
Xicor products are covered by one or more of the following U.S. Patents: 4,263,664; 4,274,012; 4,300,212; 4,314,265; 4,326,134; 4,393,481;
4,404,475; 4,450,402; 4,486,769; 4,488,060; 4,520,461; 4,533,846; 4,599,706; 4,617,652; 4,668,932; 4,752,912; 4,829, 482; 4,874, 967;
4,883, 976. Foreign patents and additional patents pending.
LIFE RELATED POLICY
In situations where semiconductor component failure may endanger life, system designers using this product should design the system with
appropriate error detection and correction, redundancy and back-up features to prevent such an occurence.
Xicor’s products are not authorized for use in critical components in life support devices or systems.
1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain
life, and whose failure to perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably
expected to result in a significant injury to the user.
2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the
failure of the life support device or system, or to affect its safety or effectiveness.
11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet X9015.PDF ] | |
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