X93155 INTERSIL [Intersil Corporation], X93155 Datasheet

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X93155

Manufacturer Part Number
X93155
Description
Digitally Controlled Potentiometer (XDCP)
Manufacturer
INTERSIL [Intersil Corporation]
Datasheet

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Part Number
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Quantity
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Part Number:
X93155UM8I
Manufacturer:
Intersil
Quantity:
238
Digitally Controlled Potentiometer
(XDCP™)
The Intersil X93155 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 3-wire interface.
The potentiometer is implemented by a resistor array
composed of 31 resistive elements and a wiper switching
network. 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 is connected as a two-terminal variable resistor
and can be used in a wide variety of applications including:
Ordering Information
*Add "T1" suffix for tape and reel.
NOTE: Intersil Pb-free plus anneal products employ special Pb-free
material sets; molding compounds/die attach materials and 100%
matte tin plate termination finish, which are RoHS compliant and
compatible with both SnPb and Pb-free soldering operations. Intersil
Pb-free products are MSL classified at Pb-free peak reflow
temperatures that meet or exceed the Pb-free requirements of
IPC/JEDEC J STD-020.
X93155UM8I*
X93155UM8IZ*
(Note)
- Bias and Gain Control
- LCD Contrast Adjustment
NUMBER
PART
MARKING
PART
AGM
DCH
R
®
TOTAL
(kΩ)
50
50
1
RANGE (°C) PACKAGE
Data Sheet
-40 to 85
-40 to 85
TEMP
8 Ld MSOP
8 Ld MSOP
(Pb-free)
1-888-INTERSIL or1-888-468-3774
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
XDCP is a trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2005. All Rights Reserved
Features
• Solid-state potentiometer
• Up/Down interface
• 32 wiper tap points per potentiometer
• 31 resistive elements per potentiometer
• Low power CMOS
• High reliability
• R
• Packages
• Pb-free plus anneal available (RoHS compliant)
Pinout
1
and V
NC can be left unconnected, or connected to any voltage between V
September 26, 2005
- Wiper position stored in nonvolatile memory and
- Temperature compensated
- Maximum resistance tolerance ±25%
- Terminal voltage, 0 to V
- V
- Active current, 200µA typ.
- Standby current, 2.0µA max
- Endurance 200,000 data changes per bit
- Register data retention, 100 years
- 8 Ld MSOP
TOTAL
recalled on power-up
CC.
CC
All other trademarks mentioned are the property of their respective owners.
= 5V±10%
|
value = 50k
V
INC
U/D
Intersil (and design) is a registered trademark of Intersil Americas Inc.
SS
R
H
1
2
3
4
(8 LD MSOP)
TOP VIEW
X93155
CC
8
7
6
5
V
CS
R
NC
X93155
CC
L
1
FN8181.1
SS

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X93155 Summary of contents

Page 1

... Data Sheet Digitally Controlled Potentiometer (XDCP™) The Intersil X93155 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 3-wire interface. The potentiometer is implemented by a resistor array composed of 31 resistive elements and a wiper switching network ...

Page 2

... Chip Select (CS). The device is selected when the CS input is LOW. The current counter value is stored in nonvolatile memory when CS is returned HIGH while the INC input is also HIGH. After the store operation is complete, the X93155 will be placed in the low power standby mode until the device is selected once again. ...

Page 3

... LI V CS, INC, U/D input HIGH voltage IH V CS, INC, U/D input LOW voltage IL (5)(7) C CS, INC, U/D input capacitance IN 3 X93155 Recommended Operating Conditions Temperature Range Industrial .-40°C to +85°C Supply Voltage V CC Over recommended operating conditions unless otherwise stated. TEST CONDITIONS/NOTES =50kΩ R TOTAL Ref: 1kHz ...

Page 4

... V CC positive than or equal to V and V , i.e ramp rate spec is always in effect X93155 Circuit #2 SPICE Macro Model UNIT Data changes per bit Years A.C. Conditions of Test Input pulse levels Input rise and fall times Input reference levels MIN 100 ...

Page 5

... The device is selected when the CS input is LOW. The current counter value is stored in nonvolatile memory when CS is returned HIGH while the INC input is also HIGH. After the store operation is complete the X93155 will be placed in the low power standby mode until the device is selected once again. ...

Page 6

... Two terminal variable resistor 10K U1A - 50K X93155 (R ) TOTAL 50K - 10K U1B + WAVEFORM INPUTS OUTPUTS Must be Will be steady ...

Page 7

... U1A - 100K 50K X93155(R Single Supply Variable Gain Amplifier 7 X93155 300K 100K - U1B + -15V ) TOTAL 5V 5V 20K + 20K X93155 10K (R ) TOTAL 100K ) ( -4.41 OUT 50K + R TOTAL V = -8.82V TO -13.23V OUT U1 = LMC6042 V OUT R TOTAL GAIN = 10K U1 = LMC6042 FN8181.1 September 26, 2005 ...

Page 8

... However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. For information regarding Intersil Corporation and its products, see www.intersil.com 8 X93155 0.118 ± 0.002 (3.00 ± 0.05) 0.118 ± 0.002 (3.00 ± ...

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