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X9015 Schematic ( PDF Datasheet ) - Intersil

Teilenummer X9015
Beschreibung Single Digitally Controlled Potentiometer
Hersteller Intersil
Logo Intersil Logo 




Gesamt 11 Seiten
X9015 Datasheet, Funktion
®
Data Sheet
X9015
Low Noise, Low Power, Volatile
August 31, 2006
FN8157.5
Single Digitally Controlled (XDCP™)
Potentiometer
The Intersil 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. The 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.
Features
• 32 taps
• Three-wire up/down serial interface
• VCC = 2.7V–5V
• Operating ICC = 50µA max.
• Standby current = 1µA max.
• RTOTAL = 10kΩ, 50kΩ
• Packages 8 Ld SOIC, 8 Ld MSOP
• Pb-free plus anneal available (RoHS compliant)
Pinout
SOIC/MSOP
INC
U/D
RH/VH
VSS
1
2
X9015
3
4
8
7
6
5
VCC
CS
RL/VL
RW/VW
Block Diagram
www.DataSheet4U.com
VCC (Supply Voltage)
Up/Down
(U/D)
Increment
(INC)
Device Select
(CS)
Control
VSS (Ground)
General
U/D
INC
CS
RH/VH
RW/VW
RL/VL
VCC
VSS
5-Bit
Up/Down
Counter
Control
Circuitry
31
30
29
One 28
of
Thirty
Two
Decoder
2
1
0
Transfer
Gates
Resistor
Array
Detailed
RH/VH
RL/VL
RW/VW
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
XDCP is a trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2005, 2006. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.






X9015 Datasheet, Funktion
X9015
A.C. Operating Specifications Over recommended operating conditions unless otherwise specified
SYMBOL
PARAMETER
MIN.
TYP. (Note 6)
tCl CS to INC setup
tlD INC HIGH to U/D change
tDI U/D to INC setup
tlL INC LOW period
tlH INC HIGH period
tlC INC inactive to CS inactive
tCPH
CS deselect time (NO STORE)
tCPH
CS deselect time (STORE)
tIW INC to Vw change
tCYC
INC cycle time
tR, tF (Note 7) INC input rise and fall time
tPU(Note 7) Power up to wiper stable
tR VCC(Note 7) VCC power-up rate
tWR Store cycle
100
100
2.9
1
1
1
100
10
1
4
0.2
5
MAX.
5
500
5
50
10
UNIT
ns
ns
µs
µs
µs
µs
ns
ms
µs
µs
µs
µs
V/ms
ms
A.C. Timing
CS
tCI
INC
U/D
tIW
VW
tCYC
tIL
tIH
tID
tIC
tDI
(8)
MI
(store)
tCPH
90% 90%
10%
tF tR
NOTES:
6. Typical values are for TA = +25°C and nominal supply voltage.
7. This parameter is periodically sampled and not 100% tested.
8. MI in the A.C. timing diagram refers to the minimum incremental change in the VW output due to a change in the wiper position.
6 FN8157.5
August 31, 2006

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