參數(shù)資料
型號(hào)： AD1585ART-R2
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： TO-236AB, SOT-23, 3 PIN
文件頁(yè)數(shù)： 10/16頁(yè)
文件大?。?/td> 254K
代理商： AD1585ART-R2
AD1582/AD1583/AD1584/AD1585
–10–
REV. D
VOLTAGE OUTPUT NONLINEARITY VERSUS
TEMPERATURE
When using a voltage reference with data converters, it is impor-
tant to understand the impact that temperature drift can have on
the converter’s performance. The nonlinearity of the reference
output drift represents additional error that cannot easily be
calibrated out of the overall system. To better understand the
impact such a drift can have on a data converter, refer to Figure 5
where the measured drift characteristic is normalized to the
endpoint average drift. The residual drift error of the AD1582
of approximately 200 ppm demonstrates that this family of
references is compatible with systems that require 12-bit
accurate temperature performance.
TEMPERATURE ( C)
250
–50
–50
100
–25
0
25
50
75
200
150
100
50
0
V
O
Figure 5. Residual Drift Error
OUTPUT VOLTAGE HYSTERESIS
High performance industrial equipment manufacturers may
require the AD1582/AD1583/AD1584/AD1585 family to maintain
a consistent output voltage error at 25
°
C after the references are
operated over the full temperature range. While all references
exhibit a characteristic known as output voltage hysteresis, the
AD1582/AD1583/AD1584/AD1585 family is designed to minimize
this characteristic. This phenomenon can be quantified by
measuring the change in the +25
°
C output voltage after
temperature excursions from +125
°
C to +25
°
C, and from –40
°
C
to +25
°
C. Figure 6 displays the distribution of the AD1582
output voltage hysteresis.
ppm
–700
–450
–200
50
300
550
0
10
20
30
40
50
60
70
80
#
Figure 6. Output Voltage Hysteresis Distribution
SUPPLY CURRENT VERSUS TEMPERATURE
The quiescent current for the AD1582/AD1583/AD1584/AD1585
family of references varies slightly over temperature and input
supply range. Figure 7 demonstrates the typical performance
for the AD1582 reference when varying both temperature and
supply voltage. As is evident from the graph, the AD1582 supply
current increases only 1.0
μ
A/V, making this device extremely
attractive for use in applications where there may be wide varia-
tions in supply voltage and a need to minimize power dissipation.
V
IN
(V)
I
Q
100
80
0
3
4
5
6
7
8
9
10
11
60
40
20
T
A
= +85 C
T
A
= +25 C
T
A
= –40 C
Figure 7. Typical Supply Current over Temperature
SUPPLY VOLTAGE
One of the ideal features of the AD1582/AD1583/AD1584/AD1585
is low supply voltage headroom. The parts can operate at
supply voltages as low as 200 mV above V
OUT
and up to 12 V.
However, if negative voltage is inadvertently applied to V
IN
with
respect to ground or any negative transient, >5 V is coupled to
V
IN
and the device may be damaged.
相關(guān)PDF資料
PDF描述
AD1585ART-REEL7 2.5 V to 5.0 V Micropower, Precision Series Mode Voltage References
AD1585BRT-R2 2.5 V to 5.0 V Micropower, Precision Series Mode Voltage References
AD1585BRT-REEL7 2.5 V to 5.0 V Micropower, Precision Series Mode Voltage References
AD1585CRT-R2 2.5 V to 5.0 V Micropower, Precision Series Mode Voltage References
AD1585CRT-REEL7 2.5 V to 5.0 V Micropower, Precision Series Mode Voltage References
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD1585ART-REEL 制造商:Rochester Electronics LLC 功能描述:IC, 5V MICROPOWER REF - Tape and Reel
AD1585ART-REEL7 制造商:Analog Devices 功能描述:V-Ref Precision 5V 5mA 3-Pin SOT-23 T/R 制造商:Rochester Electronics LLC 功能描述:IC, 5V MICROPOWER REF - Tape and Reel 制造商:Analog Devices 功能描述:Voltage Reference IC
AD1585ARTRL 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
AD1585ARTRL7 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
AD1585ARTZ-R2 功能描述:IC VREF SERIES PREC 5V SOT-23-3 RoHS:是 類別:集成電路 (IC) >> PMIC - 電壓基準(zhǔn) 系列:- 產(chǎn)品培訓(xùn)模塊:Voltage Reference Basics 標(biāo)準(zhǔn)包裝:100 系列:- 基準(zhǔn)類型:旁路，精度 輸出電壓:4.096V 容差:±0.075% 溫度系數(shù):50ppm/°C 輸入電壓:- 通道數(shù):1 電流 - 陰極:1µA 電流 - 靜態(tài):- 電流 - 輸出:10mA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SOIC 包裝:管件
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