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| 型号： | AD780BNZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 8/12页 |
| 文件大小： | 0K |
| 描述： | IC VREF SERIES SHUNT PREC 8-PDIP |
| 设计资源： | Using AD8599 as an Ultralow Distortion Driver for the AD7991 (CN0043) Using AD8599 as an Ultralow Distortion Driver for the AD7995 (CN0044) Using AD8599 as an Ultralow Distortion Driver for the AD7999 (CN0045) Using AD7328 in Appls with Single-Ended Industrial-Level Signals (CN0047) AD5382 Channel Monitor Function (CN0012) AD5383 Channel Monitor Function (CN0015) AD5390/91/92 Channel Monitor Function (CN0030) Measuring -48 V High-Side Current Using AD629, AD8603, AD780, and AD7453 (CN0100) High Voltage, High Precision Current Sensing with Output Level Shifting Using AD8210 and AD8274 (CN0116) |
| 标准包装： | 50 |
| 基准类型： | 串联，并联，可调节，精度 |
| 输出电压： | ±2.5V，±3V |
| 容差： | ±1mV |
| 温度系数： | 3ppm/°C |
| 输入电压： | 4 V ~ 36 V |
| 通道数： | 1 |
| 电流 - 静态： | 1mA |
| 电流 - 输出： | 10mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 8-PDIP |
| 包装： | 管件 |
| 产品目录页面： | 795 (CN2011-ZH PDF) |
AD780
Notice how sensitive the current dependent factor on V OUT is. A
0.85
Data Sheet
large amount of current, even in tens of microamp, drawn from
the TEMP pin can cause the V OUT and TEMP output to fail.
0.80
–55 ° C
The choice of C1 and C2 was dictated primarily by the need for
a relatively flat response that rolled off early in the high
frequency noise at the output. However, there is considerable
margin in the choice of these capacitors. For example, the user
can actually put a huge C2 on the TEMP pin with none on the
output pin. However, one must either put very little or a lot of
capacitance at the TEMP pin. Intermediate values of
capacitance can sometimes cause oscillation. In any case, the
0.75
0.70
0.65
+25 ° C
+125 ° C
0.60
4
36
TEMPERATURE TRANSDUCER CIRCUIT
The circuit shown in Figure 13 is a temperature transducer that
amplifies the TEMP output voltage by a gain of a little over +5
to provide a wider full-scale output range. The digital
potentiometer can be used to adjust the output so it varies by
exactly 10 mV/°C.
To minimize resistance changes with temperature, resistors with
low temperature coefficients, such as metal film resistors,
should be used.
5V
INPUT VOLTAGE (V)
Figure 14. Typical Supply Current over Temperature
TURN-ON TIME
The time required for the output voltage to reach its final value
within a specified error band is defined as the turn-on settling
time. The two major factors that affect this are the active circuit
settling time and the time for the thermal gradients on the chip
The AD780 settles to within 0.1% of its final value within 10 μs.
2
+V IN
5V
V IN
TEMP 3
10mV/ ° C
0V
1 μ F
AD780
AD820
V OUT
2.500V
GND
4
R B
1.27k ?
(1%)
R BP
200 ?
R F
6.04k ? (1%)
2.499V
2.498V
10 μ s/DIV
Figure 13. Differential Temperature Transducer
SUPPLY CURRENT OVER TEMPERATURE
The AD780’s quiescent current varies slightly over temperature
and input supply range. The test limit is 1 mA over the
industrial and 1.3 mA over the military temperature range.
Typical performance with input voltage and temperature
Figure 15. Turn-On Settling Time Performance
DYNAMIC PERFORMANCE
The output stage of the AD780 has been designed to provide
superior static and dynamic load regulation.
while driving a 0 mA to 10 mA load.
Rev. F | Page 8 of 12
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD780BNZ | 制造商:Analog Devices 功能描述:IC VOLTAGE REF 2.5/3.0V |
| AD780BR | 功能描述:IC VREF SERIES SHUNT PREC 8-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 标准包装:2,000 系列:- 基准类型:旁路，可调节，精度 输出电压:1.24 V ~ 16 V 容差:±0.5% 温度系数:- 输入电压:1.24 V ~ 16 V 通道数:1 电流 - 阴极:100µA 电流 - 静态:- 电流 - 输出:20mA 工作温度:-40°C ~ 85°C 安装类型:通孔 封装/外壳:TO-226-3、TO-92-3（TO-226AA）成形引线 供应商设备封装:TO-92-3 包装:带卷 (TR) |
| AD780BR-REEL | 功能描述:IC VREF SERIES SHUNT PREC 8-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 标准包装:2,000 系列:- 基准类型:旁路，可调节，精度 输出电压:1.24 V ~ 16 V 容差:±0.5% 温度系数:- 输入电压:1.24 V ~ 16 V 通道数:1 电流 - 阴极:100µA 电流 - 静态:- 电流 - 输出:20mA 工作温度:-40°C ~ 85°C 安装类型:通孔 封装/外壳:TO-226-3、TO-92-3（TO-226AA）成形引线 供应商设备封装:TO-92-3 包装:带卷 (TR) |
| AD780BR-REEL7 | 功能描述:IC VREF SERIES SHUNT PREC 8-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 标准包装:2,000 系列:- 基准类型:旁路，可调节，精度 输出电压:1.24 V ~ 16 V 容差:±0.5% 温度系数:- 输入电压:1.24 V ~ 16 V 通道数:1 电流 - 阴极:100µA 电流 - 静态:- 电流 - 输出:20mA 工作温度:-40°C ~ 85°C 安装类型:通孔 封装/外壳:TO-226-3、TO-92-3（TO-226AA）成形引线 供应商设备封装:TO-92-3 包装:带卷 (TR) |
| AD780BRZ | 功能描述:IC VREF SERIES SHUNT PREC 8-SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 标准包装:3,000 系列:- 基准类型:旁路，精度 输出电压:3V 容差:±0.5% 温度系数:100ppm/°C 输入电压:- 通道数:1 电流 - 阴极:82µA 电流 - 静态:- 电流 - 输出:15mA 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:6-TSSOP（5 引线），SC-88A，SOT-353 供应商设备封装:SC-70-5 包装:带卷 (TR) 其它名称:296-20888-2 |
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