Datasheet AD8214 (Analog Devices) - 3
| 制造商 | Analog Devices |
| 描述 | Fast Response, High Voltage, Current Shunt Comparator |
| 页数 / 页 | 16 / 3 — Data Sheet. AD8214. SPECIFICATIONS. Table 1. Parameter. … |
| 修订版 | A |
| 文件格式/大小 | PDF / 247 Kb |
| 文件语言 | 英语 |
Data Sheet. AD8214. SPECIFICATIONS. Table 1. Parameter. Conditions/Comments. Min. Typ. Max. Unit
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Data Sheet AD8214 SPECIFICATIONS
VS = 13.5 V, unless otherwise noted.
Table 1. Parameter Conditions/Comments Min Typ Max Unit
VOLTAGE OFFSET Offset Voltage (RTI) TA = 25°C, voltage at –IN decreasing ±3 mV Over Temperature (RTI) ±8 mV Offset Drift ±10 µV/°C HYSTERESIS TA = 25°C, voltage at –IN increasing 5 12 mV INPUT Input Impedance Differential 2 MΩ Common Mode VS = 5 V to 65 V 5 MΩ Voltage Range Differential Maximum voltage between +IN and –IN 500 mV Common Mode VS – 0.9 VS + 0.2 V Input Bias Current +IN or –IN 12 ±30 nA OUTPUT Output Current ROUT = 3.3 kΩ, output high 0.8 1 1.2 mA ROUT = 3.3 kΩ, output low ±5 µA Rise Time 20% to 80%, ROUT = 3.3 kΩ, VOD = 5 mV, 50 mV step 90 ns 20% to 80%, ROUT = 3.3 kΩ, VOD = >20 mV, 50 mV step 75 ns Fall Time 20% to 80%, ROUT = 3.3 kΩ, VOD = 5 mV, 50 mV step 110 ns 20% to 80%, ROUT = 3.3 kΩ, VOD = >10 mV, 50 mV step 100 ns REGULATOR Nominal Value TA = 25°C, voltage from VREG to VS 2.43 V TA = –40°C to +125°C ±5 % DYNAMIC RESPONSE 50 mV to 250 mV step Propagation Delay1 5 mV ≤ VOD ≤ 15 mV, output low to high 90 ns 15 mV ≤ VOD ≤ 30 mV, output low to high 80 ns VOD ≥ 30 mV, output low to high 75 ns INPUT-REFERRED DYNAMIC ERROR2 15 mV POWER SUPPLY Operating Range Maximum Voltage GND to VS 65 V Minimum Voltage GND to VS 5 V Output Voltage Range3 With respect to VREG 2 62.5 V Supply Current Output low 240 µA Output high 1.2 mA TEMPERATURE RANGE FOR SPECIFIED PERFORMANCE −40 +125 °C 1 VOD represents the overdrive voltage, or the amount of voltage by which the threshold point has been exceeded. 2 See the Input-Referred Dynamic Error section. 3 The voltage at OUT must not be allowed to exceed the VREG voltage, which is always 2.4 V less than the supply. For example, when the supply voltage is 5 V and the output current is 1 mA, the load resistor must not be more than (5 V – 2.4 V)/{1 mA × (1 + 20%)}, or 2.17 kΩ, to ensure the signal does not exceed 2.6 V. As the supply increases, the output signal also can be increased, by the same amount. Rev. A | Page 3 of 16 Document Outline Features Applications Functional Block Diagram General Description Revision History Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Comparator Offset and Hysteresis Setting the Input Threshold Voltage Input-Referred Dynamic Error Applications Typical Setup and Calculations High Side Overcurrent Detection Outline Dimensions Ordering Guide Automotive Products
Data Sheet AD8214 SPECIFICATIONS
VS = 13.5 V, unless otherwise noted.
Table 1. Parameter Conditions/Comments Min Typ Max Unit
VOLTAGE OFFSET Offset Voltage (RTI) TA = 25°C, voltage at –IN decreasing ±3 mV Over Temperature (RTI) ±8 mV Offset Drift ±10 µV/°C HYSTERESIS TA = 25°C, voltage at –IN increasing 5 12 mV INPUT Input Impedance Differential 2 MΩ Common Mode VS = 5 V to 65 V 5 MΩ Voltage Range Differential Maximum voltage between +IN and –IN 500 mV Common Mode VS – 0.9 VS + 0.2 V Input Bias Current +IN or –IN 12 ±30 nA OUTPUT Output Current ROUT = 3.3 kΩ, output high 0.8 1 1.2 mA ROUT = 3.3 kΩ, output low ±5 µA Rise Time 20% to 80%, ROUT = 3.3 kΩ, VOD = 5 mV, 50 mV step 90 ns 20% to 80%, ROUT = 3.3 kΩ, VOD = >20 mV, 50 mV step 75 ns Fall Time 20% to 80%, ROUT = 3.3 kΩ, VOD = 5 mV, 50 mV step 110 ns 20% to 80%, ROUT = 3.3 kΩ, VOD = >10 mV, 50 mV step 100 ns REGULATOR Nominal Value TA = 25°C, voltage from VREG to VS 2.43 V TA = –40°C to +125°C ±5 % DYNAMIC RESPONSE 50 mV to 250 mV step Propagation Delay1 5 mV ≤ VOD ≤ 15 mV, output low to high 90 ns 15 mV ≤ VOD ≤ 30 mV, output low to high 80 ns VOD ≥ 30 mV, output low to high 75 ns INPUT-REFERRED DYNAMIC ERROR2 15 mV POWER SUPPLY Operating Range Maximum Voltage GND to VS 65 V Minimum Voltage GND to VS 5 V Output Voltage Range3 With respect to VREG 2 62.5 V Supply Current Output low 240 µA Output high 1.2 mA TEMPERATURE RANGE FOR SPECIFIED PERFORMANCE −40 +125 °C 1 VOD represents the overdrive voltage, or the amount of voltage by which the threshold point has been exceeded. 2 See the Input-Referred Dynamic Error section. 3 The voltage at OUT must not be allowed to exceed the VREG voltage, which is always 2.4 V less than the supply. For example, when the supply voltage is 5 V and the output current is 1 mA, the load resistor must not be more than (5 V – 2.4 V)/{1 mA × (1 + 20%)}, or 2.17 kΩ, to ensure the signal does not exceed 2.6 V. As the supply increases, the output signal also can be increased, by the same amount. Rev. A | Page 3 of 16 Document Outline Features Applications Functional Block Diagram General Description Revision History Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Comparator Offset and Hysteresis Setting the Input Threshold Voltage Input-Referred Dynamic Error Applications Typical Setup and Calculations High Side Overcurrent Detection Outline Dimensions Ordering Guide Automotive Products