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| 型号： | ISL21009BFB825Z |
| 厂商： | Intersil |
| 文件页数： | 15/19页 |
| 文件大小： | 0K |
| 描述： | IC VREF SERIES PREC 2.5V 8-SOIC |
| 产品培训模块： | Solutions for Industrial Control Applications |
| 标准包装： | 100 |
| 系列： | FGA™ |
| 基准类型： | 串联，精度 |
| 输出电压： | 2.5V |
| 容差： | ±0.5% |
| 温度系数： | 3ppm/°C |
| 输入电压： | 3.5 V ~ 16.5 V |
| 通道数： | 1 |
| 电流 - 静态： | 180µA |
| 电流 - 输出： | 7mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 管件 |
ISL21009
Typical Performance Curves (ISL21009-50) (R EXT = 100k Ω )
(Continued)
GAIN IS x1000
NOISE IS 4.5μV P-P
50μA
-50μA
FIGURE 55. V OUT NOISE, 0.1Hz TO 10Hz
FIGURE 56. LOAD TRANSIENT RESPONSE
7mA
-7mA
FIGURE 57. LOAD TRANSIENT RESPONSE
Applications Information
FGA Technology
The ISL21009 voltage reference uses floating gate
technology to create references with very low drift and supply
current. Essentially the charge stored on a floating gate cell is
set precisely in manufacturing. The reference voltage output
itself is a buffered version of the floating gate voltage. The
resulting reference device has excellent characteristics, which
are unique in the industry: very low temperature drift, high
initial accuracy, and almost zero supply current. Also, the
reference voltage itself is not limited by voltage bandgaps or
zener settings, so a wide range of reference voltages can be
programmed (standard voltage settings are provided, but
customer-specific voltages are available).
15
The process used for these reference devices is a floating
gate CMOS process and the amplifier circuitry uses CMOS
transistors for amplifier and output transistor circuitry. While
providing excellent accuracy, there are limitations in output
noise level and load regulation due to the MOS device
characteristics. These limitations are addressed with circuit
techniques discussed in other sections.
Micropower Operation
The ISL21009 consumes extremely low supply current due
to the proprietary FGA technology. Low noise performance is
achieved using optimized biasing techniques. Supply current
is typically 95μA and noise is 4.5μV P-P benefitting precision,
low noise portable applications such as handheld meters
and instruments.
FN6327.7
September 16, 2009
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相关代理商/技术参数 |
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| ISL21009BFB825Z-T7A | 功能描述:基准电压& 基准电流 2 5VF I/A=+/-0 5MV T/C=3PPM RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
| ISL21009BFB825Z-TK | 功能描述:基准电压& 基准电流 2 5VFERENCE I/A=+/-0 5MV T/C=3PPM RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
| ISL21009BFB841Z | 功能描述:基准电压& 基准电流 096VFERENCE I/A=+/-0 5MV T/C=3PPM RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
| ISL21009BFB841Z-TK | 功能描述:基准电压& 基准电流 096VFERENCE I/A=+/-0 5MV T/C=3PPM RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
| ISL21009BFB850Z | 功能描述:基准电压& 基准电流 5 0VFERENCE I/A=+/-0 5MV T/C=3PPM RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
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