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參數資料
| 型號： | AD1583 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Low Power,Precision Serial Voltage Reference(微功耗,精密串行模式電壓基準) |
| 中文描述： | 低功耗，高精度電壓基準系列（微功耗，精密串行模式電壓基準） |
| 文件頁數： | 1/12頁 |
| 文件大小： | 151K |
| 代理商： | AD1583 |
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Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices 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 Analog Devices.
a
AD1582/AD1583/AD1584/AD1585
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
World Wide Web Site: http://www.analog.com
Fax: 617/326-8703
Analog Devices, Inc., 1997
2.5 V to 5.0 V Micropower, Precision
Series Mode Voltage References
FUNCTIONAL BLOCK DIAGRAM
1
2
VOUT
VIN
GND
3
AD1582/3/4/5
TOP VIEW
FEATURES
Series Reference (2.5 V, 3 V, 4.096 V, 5 V)
Initial Accuracy:
0.1% max
Temperature Drift:
50 ppm/ C max
Low Quiescent Current: 65
A max
Current Output Capability:
5 mA
Wide Supply Range: VIN = VOUT + 200 mV to 12 V
Wideband Noise (10 Hz–10 kHz): 50
V rms
Operating Temperature Range: –40 C to +85 C
Compact, Surface-Mount, SOT-23 Package
GENERAL DESCRIPTION
The AD1582, AD1583, AD1584 and AD1585 are a family of
low cost, low power, low dropout, precision bandgap references.
These designs are available as three-terminal (series) devices and
are packaged in the compact SOT-23, 3-pin, surface mount
package. The versatility of these references makes them ideal for
use in battery powered 3 V or 5 V systems where there may be
wide variations in supply voltage and a need to minimize power
dissipation.
The superior accuracy and temperature stability of the AD1582/
AD1583/AD1584/AD1585 is made possible by the precise
matching and thermal tracking of on-chip components. Patented
temperature drift curvature correction design techniques have
been used to minimize the nonlinearities in the voltage output
temperature characteristic.
These series mode devices (AD1582/AD1583/AD1584/AD1585)
will source or sink up to 5 mA of load current and operate
efficiently with only 200 mV of required headroom. This family
will draw a maximum 65
A of quiescent current with only a
1.0
A/V variation with supply voltage. The advantage of these
designs over conventional shunt devices is extraordinary. Valuable
supply current is no longer wasted through an input series
resistor and maximum power efficiency is achieved at all input
voltage levels.
The AD1582, AD1583, AD1584 and AD1585 are available in
two grades, A and B, both of which are provided in the smallest
available package on the market, the SOT-23. Both grades are
specified over the industrial temperature range of –40
°C to
+85
°C.
TARGET APPLICATIONS
1. Portable, Battery Powered Equipment. Notebook Comput-
ers, Cellular Phones, Pagers, PDAs, GPSs and DMMs.
2. Computer Workstations. Suitable for use with a wide range
of video RAMDACs.
3. Smart Industrial Transmitters.
4. PCMCIA Cards.
5. Automotive.
6. Hard Disk Drives.
7. 3 V/5 V 8-Bit–12-Bit Data Converters.
I SUPPLY
–
A
VSUPPLY – V
800
700
0
2.7
5
400
300
200
100
600
500
*3.076k
SOURCE RESISTOR
SHUNT REFERENCE*
AD1582 SERIES REFERENCE
900
Figure 1. Supply Current (
A) vs. Supply Voltage (V)
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