參數(shù)資料
型號(hào): LM4040D82IDCKR
廠商: Vishay Intertechnology,Inc.
英文描述: PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
中文描述: 精密微功耗并聯(lián)電壓基準(zhǔn)
文件頁數(shù): 27/51頁
文件大?。?/td> 564K
代理商: LM4040D82IDCKR
www.ti.com
APPLICATION INFORMATION
Start-Up Characteristics
1-Hz Rate
V
Z
LM4040
R
S
V
IN
Output Capacitor
The LM4040 does not require an output capacitor across cathode and anode for stability. However, if an output
bypass capacitor is desired, the LM4040 is designed to be stable with all capacitive loads.
SOT-23 Connections
There is a parasitic Schottky diode connected between pins 2 and 3 of the SOT-23 packaged device. Thus, pin
3 of the SOT-23 package must be left floating or connected to pin 2.
Use With ADCs or DACs
The LM4040x-41 is designed to be a cost-effective voltage reference as required in 12-bit data-acquisition
systems. For 12-bit systems operating from 5-V supplies such as the ADS7842 (see
Figure 8
), the LM4040x-41
(4.096 V) permits operation with an LSB of 1 mV.
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
1
2
3
4
5
6
7
V
REF
AIN0
AIN1
AIN2
AGND
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DGND
AIN3
V
ANA
2.2
μ
F
A1
A0
CLK
DB0
DB1
DB2
DB3
DB4
V
DIG
BUSY
WR
CS
RD
3.2-MHz Clock
BUSY Output
Write Input
Read Input
5-V Analog Supply
10
μ
F
+
+
+
0.1
μ
F
ADS7842
LM4040A-41
909
0 V to V
REF
5 V
LM4040
PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
SLOS456J–JANUARY 2005–REVISED SEPTEMBER 2006
Figure 7. Test Circuit
Figure 8. Data-Acquisition Circuit With LM4040x-41
27
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PDF描述
LM4040 PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
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LM4040D82IDCKRG4 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 8.192-V Prec M-P Shunt 1% accuracy RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)確度:0.25 % 平均溫度系數(shù)(典型值):100 PPM / C 串聯(lián) VREF - 輸入電壓(最大值): 串聯(lián) VREF - 輸入電壓(最小值): 分流電流(最大值):60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel
LM4040D82ILP 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 8.192V Prec Micropwr Shunt Vltg Ref RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)確度:0.25 % 平均溫度系數(shù)(典型值):100 PPM / C 串聯(lián) VREF - 輸入電壓(最大值): 串聯(lián) VREF - 輸入電壓(最小值): 分流電流(最大值):60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel
LM4040D82ILPE3 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 8.192V Prec Micropwr Shunt Vltg Ref RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)確度:0.25 % 平均溫度系數(shù)(典型值):100 PPM / C 串聯(lián) VREF - 輸入電壓(最大值): 串聯(lián) VREF - 輸入電壓(最小值): 分流電流(最大值):60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel
LM4040D82ILPR 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 8.192V Prec Micropwr Shunt Vltg Ref RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)確度:0.25 % 平均溫度系數(shù)(典型值):100 PPM / C 串聯(lián) VREF - 輸入電壓(最大值): 串聯(lián) VREF - 輸入電壓(最小值): 分流電流(最大值):60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel
LM4040D82ILPRE3 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 8.192V Prec Micropwr Shunt Vltg Ref RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)確度:0.25 % 平均溫度系數(shù)(典型值):100 PPM / C 串聯(lián) VREF - 輸入電壓(最大值): 串聯(lián) VREF - 輸入電壓(最小值): 分流電流(最大值):60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel