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參數(shù)資料
| 型號： | X60250 |
| 廠商： | Intersil Corporation |
| 英文描述： | Micro Power Programmable Voltage Reference |
| 中文描述： | 微功耗可編程電壓基準(zhǔn) |
| 文件頁數(shù)： | 1/16頁 |
| 文件大小： | 382K |
| 代理商： | X60250 |
1
FN8146.1
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.
Copyright Intersil Americas Inc. 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
X60250
Micro Power Programmable Voltage
Reference
FEATURES
1.25V 1.0%, 20ppm/°C Tempco Reference
Adjustable to ±0.25% Over the 0 to 1.25V Range
8 bit, 100k
XDCP on-chip
Programmable Resolution of 4.9mV (255 steps)
Extra Matched 100k
Resistor Available for
Increased Resolution Over a Smaller Range
2.7V to 5.5V Supply Range
2-Wire Interface for Programming Reference
Setting
Low Supply Current: 12μA in Normal Mode
8-pin TSSOP Package
Programmable Reference
NV Memory
Pb-Free Plus Anneal Available (RoHS Compliant)
PROGRAMMABLE VOLTAGE
REFERENCE APPLICATIONS
Sensor Bias
Variable DAC reference
Linear Voltage Regulators
DC/DC converters
Voltage comparators
Motor controllers
Amplifier biasing
DESCRIPTION
The
compensated voltage reference with a Intersil Digitally
Controlled Potentiometer (XDCP) to provide a precision
adjustable reference with a range of 0.0V to 1.25V. The
device includes a serial bus interface to enable in-circuit
programming of the reference voltage.
Intersil
X60250
combines
a
temperature
The XDCP contains a resistor chain with 255 taps to
provide 8 bits of digital adjustment to the reference
voltage. Non-volatile storage retains the digital wiper
setting, for permanent reference programming. An
additional matched 100k
resistor is available to
increase resolution of the output voltage while retaining
accuracy.
IC BLOCK DIAGRAM
V
CC
V
REFOUT
SCL
SDA
GND
V
REFL
V
OUT
R
1
100K
100k
1.25V
Reference
Serial
Interface
EE
PROM
2
Pwr On Recall
Digital Wiper
Control
Data Sheet
September 14, 2005
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