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SGM809
信息类型：供应
电压监测电路
产品指标
手动复位 N
电源电压 (V) 1.0 to 5.5
电源电流 (μA) 13
复位阈值电压 (V) 4.63, 4.38, 4.00, 3.08, 2.93, 2.63, 2.32, 1.63
Vcc 到复位延迟 (μs) 20
复位有效 超时时间 (ms) 240
封装形式 SOT-23-3
SOT-23
产品描述
The SGM803/SGM809/SGM810 supervisory circuits monitor the power supply voltage in microprocessor and digital systems. They provide a reset output during power-up, power-down and brownout conditions. On power-up, an internal timer holds reset asserted for 240ms. This holds the microprocessor in a reset state until conditions have stabilized. The output remains operational with VCC as low as 1V. The SGM803/SGM809 provides an active low reset signal ( ) while the SGM810 provides an active high signal (RESET) output. The SGM809/SGM810 has push-pull outputs, whereas the SGM803 has an open-drain output, which requires an external pull-up resistor.
Eight reset threshold voltage options are available suitable for monitoring 1.8V, 2.5V, 3V, 3.3V and 5V supply voltages.
The reset comparator features built-in glitch immunity, making it immune to fast transients on VCC.
The low supply current of typically 13μA makes the SGM803/SGM809/SGM810 ideal for use in portable, battery operated equipment. All are specified over the extended -40°С to +125°С temperature range.
产品特性
• Precision Voltage Monitor: 1.8V, 2.5V, 3V, 3.3V, 5V Options
• Superior Upgrade for MAX803/MAX809/MAX810 and ADM803/ADM809/ADM810
• Fully Specified over Temperature
• Low Power Consumption (13μA TYP)
• Reset Assertion Down to 1V VCC
• 150ms Min Power-On Reset
• Open-Drain Output (SGM803)
• Push-Pull Output (SGM809)
• Push-Pull RESET Output (SGM810)
• -40°С to +125°С Operating Temperature Range
• Small Packaging
• SGM803 Available in SOT-23-3 and SOT-23
• SGM809 Available in SOT-23-3 and SOT-23
• SGM810 Available in SOT-23-3 and SOT-23
应用领域
Microprocessor Systems
Controllers
Intelligent Instruments
Automotive Systems
Safety Systems
Portable Instruments
产品型号 状态 封装形式 管脚 无铅 温度
SGM809-SXN3/TR 量产 SOT-23-3 3 Y -40°C to +125°C
SGM809-RXN3/TR 量产 SOT-23-3 3 Y -40°C to +125°C
SGM809-SXN3L/TR 量产 SOT-23 3 Y -40°C to +125°C
SGM809-RXN3L/TR 量产 SOT-23 3 Y -40°C to +125°C
SGM809-SXN3/TR 量产 SOT-23-3 3 Y -40°C to +125°C
电压监测电路
产品指标
手动复位 N
电源电压 (V) 1.0 to 5.5
电源电流 (μA) 13
复位阈值电压 (V) 4.63, 4.38, 4.00, 3.08, 2.93, 2.63, 2.32, 1.63
Vcc 到复位延迟 (μs) 20
复位有效 超时时间 (ms) 240
封装形式 SOT-23-3
SOT-23
产品描述
The SGM803/SGM809/SGM810 supervisory circuits monitor the power supply voltage in microprocessor and digital systems. They provide a reset output during power-up, power-down and brownout conditions. On power-up, an internal timer holds reset asserted for 240ms. This holds the microprocessor in a reset state until conditions have stabilized. The output remains operational with VCC as low as 1V. The SGM803/SGM809 provides an active low reset signal ( ) while the SGM810 provides an active high signal (RESET) output. The SGM809/SGM810 has push-pull outputs, whereas the SGM803 has an open-drain output, which requires an external pull-up resistor.
Eight reset threshold voltage options are available suitable for monitoring 1.8V, 2.5V, 3V, 3.3V and 5V supply voltages.
The reset comparator features built-in glitch immunity, making it immune to fast transients on VCC.
The low supply current of typically 13μA makes the SGM803/SGM809/SGM810 ideal for use in portable, battery operated equipment. All are specified over the extended -40°С to +125°С temperature range.
产品特性
• Precision Voltage Monitor: 1.8V, 2.5V, 3V, 3.3V, 5V Options
• Superior Upgrade for MAX803/MAX809/MAX810 and ADM803/ADM809/ADM810
• Fully Specified over Temperature
• Low Power Consumption (13μA TYP)
• Reset Assertion Down to 1V VCC
• 150ms Min Power-On Reset
• Open-Drain Output (SGM803)
• Push-Pull Output (SGM809)
• Push-Pull RESET Output (SGM810)
• -40°С to +125°С Operating Temperature Range
• Small Packaging
• SGM803 Available in SOT-23-3 and SOT-23
• SGM809 Available in SOT-23-3 and SOT-23
• SGM810 Available in SOT-23-3 and SOT-23
应用领域
Microprocessor Systems
Controllers
Intelligent Instruments
Automotive Systems
Safety Systems
Portable Instruments
产品型号 状态 封装形式 管脚 无铅 温度
SGM809-SXN3/TR 量产 SOT-23-3 3 Y -40°C to +125°C
SGM809-RXN3/TR 量产 SOT-23-3 3 Y -40°C to +125°C
SGM809-SXN3L/TR 量产 SOT-23 3 Y -40°C to +125°C
SGM809-RXN3L/TR 量产 SOT-23 3 Y -40°C to +125°C
SGM809-SXN3/TR 量产 SOT-23-3 3 Y -40°C to +125°C
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