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參數(shù)資料
| 型號(hào)： | AD1585BRT |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 2.5 V to 5.0 V Micropower, Precision Series Mode Voltage References |
| 中文描述： | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 5 V, PDSO3 |
| 封裝： | SOT-23, 3 PIN |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 254K |
| 代理商： | AD1585BRT |
a
AD1582/AD1583/AD1584/AD1585
REV. D
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 that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
Tel: 781/329-4700 Fax: 781/326-8703
www.analog.com2.5 V to 5.0 V Micropower, Precision
Series Mode Voltage References
FUNCTIONAL BLOCK DIAGRAM
3-Lead SOT-23
(RT Suffix)
1
2
V
OUT
V
IN
GND
3
AD1582/
AD1583/
AD1584/
AD1585
TOP VIEW
FEATURES
Series Reference (2.5 V, 3 V, 4.096 V, 5 V)
Low Quiescent Current: 70 A max
Current Output Capability: 5 mA
Wide Supply Range: V
IN
= V
OUT
+ 200 mV to 12 V
Wideband Noise (10 Hz to 10 kHz): 50 V rms
Specified Temperature Range: –40 C to +125 C
Compact, Surface-Mount SOT-23 Package
TARGET APPLICATIONS
1. Portable, battery-powered equipment, e.g., 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
S
V
SUPPLY
(V)
*
3.076k SOURCE RESISTOR
800
700
0
2.7
5
400
300
200
100
600
500
SHUNT REFERENCE
*
AD1582 SERIES REFERENCE
900
Figure 1. Supply Current (
μ
A) vs. Supply Voltage (V)
AD158x Products, Three Electrical Grades
Electrical
Grade
Initial Accuracy
Tempco
(ppm C)
AD1582
0.08%
0.16%
0.80%
AD1583/AD1585 AD1584
0.10%
0.20%
1.00%
B
C
A
0.10%
0.20%
0.98%
50
50
100
GENERAL DESCRIPTION
The AD1582, AD1583, AD1584, and AD1585 are a family of low
cost, low power, low dropout, precision band gap references.
These designs are available as three-terminal (series) devices
and are packaged in the compact SOT-23, 3-lead 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 minimize
the nonlinearities in the voltage output temperature characteristic.
These series mode devices (AD1582/AD1583/AD1584/AD1585)
source or sink up to 5 mA of load current and operate efficiently
with only 200 mV of required headroom supply. This family
draws a maximum 70
μ
A of quiescent current with only a 1.0
μ
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
three grades, A, B, and C, and are provided in a tiny footprint,
the SOT-23. All grades are specified over the industrial tem-
perature range of –40
°
C to +125
°
C.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| AD1585BRT-R2 | 制造商:Analog Devices 功能描述:V-Ref Precision 5V 5mA 3-Pin SOT-23 T/R |
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| AD1585BRTRL | 制造商:AD 制造商全稱:Analog Devices 功能描述:2.5 V to 5.0 V Micropower, Precision Series Mode Voltage References |
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