Datasheet AD780 (Analog Devices) - 3
| 制造商 | Analog Devices |
| 描述 | 2.5 V/3.0 V High Precision Reference |
| 页数 / 页 | 12 / 3 — Data Sheet. AD780. SPECIFICATIONS. Table 1. AD780AN/AD780AR. AD780CR … |
| 修订版 | I |
| 文件格式/大小 | PDF / 295 Kb |
| 文件语言 | 英语 |
Data Sheet. AD780. SPECIFICATIONS. Table 1. AD780AN/AD780AR. AD780CR AD780BN/AD780BR. Parameter
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Data Sheet AD780 SPECIFICATIONS
TA = 25°C, VIN = 5 V, unless otherwise noted.
Table 1. AD780AN/AD780AR AD780CR AD780BN/AD780BR Parameter Min Typ Max Min Typ Max Min Typ Max Unit
OUTPUT VOLTAGE 2.5 V Out 2.495 2.505 2.4985 2.5015 2.499 2.501 V 3.0 V Out 2.995 3.005 2.9950 3.0050 2.999 3.001 V SOLDER HEAT SHIFT Mean −1.1 −1.1 −1.1 mV Sigma 0.4 0.4 0.4 mV OUTPUT VOLTAGE DRIFT1 −40°C to +85°C 7 7 3 ppm/°C −55°C to +125°C 20 20 ppm/°C LINE REGULATION 2.5 V Output, 4 V ≤+VIN ≤ 36 V, TMIN to TMAX 10 10 10 μV/V 3.0 V Output, 4.5 V ≤+VIN ≤ 36 V, TMIN to TMAX 10 10 10 μV/V LOAD REGULATION, SERIES MODE Sourcing 0 mA < IOUT< 10 mA 50 50 50 μV/mA TMIN to TMAX 75 75 75 μV/mA Sinking −10 mA < IOUT< 0 mA 75 75 75 μV/mA −40°C to +85°C 75 75 75 μV/mA −55°C to +125°C 150 150 150 μV/mA LOAD REGULATION, SHUNT MODE I < ISHUNT< 10 mA 75 75 75 μV/mA QUIESCENT CURRENT, 2.5 V SERIES MODE2 –40°C to +85°C 0.75 1.0 0.75 1.0 0.75 1.0 mA −55°C to +125°C 0.8 1.3 0.8 1.3 0.8 1.3 mA MINIMUM SHUNT CURRENT 0.7 1.0 0.7 1.0 0.7 1.0 mA OUTPUT NOISE 0.1 Hz to 10 Hz 4 4 4 μV p-p Spectral Density, 100 Hz 100 100 100 nV/√Hz LONG-TERM STABILITY3 20 20 20 ± ppm/1000 Hr TRIM RANGE 4.0 4.0 4.0 ± % TEMPERATURE PIN Voltage Output @ 25°C 500 560 620 500 560 620 500 560 620 mV Temperature Sensitivity 1.9 1.9 1.9 mV/°C Output Resistance 3 3 3 kΩ SHORT-CIRCUIT CURRENT TO GROUND 30 30 30 mA TEMPERATURE RANGE Specified Performance (A, B, C) −40 +85 −40 +85 −40 +85 °C Operating Performance (A, B, C)4 −55 +125 −55 +125 −55 +125 °C 1 Maximum output voltage drift is guaranteed for all packages. 2 3.0 V mode typically adds 100 μA to the quiescent current. Also, Iq increases by 2 μA/V above an input voltage of 5 V. 3 The long-term stability specification is noncumulative. The drift in subsequent 1,000 hour periods is significantly lower than in the first 1,000 hour period. 4 The operating temperature range is defined as the temperature extremes at which the device will still function. Parts may deviate from their specified performance outside their specified temperature range. Rev. I | Page 3 of 12 Document Outline Features Functional Block Diagram General Description Product Highlights Table of Contents Revision History Specifications Absolute Maximum Ratings Thermal Resistance Notes ESD Caution Theory of Operation Applying the AD780 Noise Performance Noise Comparison Temperature Performance Temperature Output Pin Temperature Transducer Circuit Supply Current Over Temperature Turn-On Time Dynamic Performance Line Regulation Precision Reference for High Resolution 5 V Data Converters 4.5 V Reference from 5 V Supply Negative (–2.5 V) Reference Outline Dimensions Ordering Guide
Data Sheet AD780 SPECIFICATIONS
TA = 25°C, VIN = 5 V, unless otherwise noted.
Table 1. AD780AN/AD780AR AD780CR AD780BN/AD780BR Parameter Min Typ Max Min Typ Max Min Typ Max Unit
OUTPUT VOLTAGE 2.5 V Out 2.495 2.505 2.4985 2.5015 2.499 2.501 V 3.0 V Out 2.995 3.005 2.9950 3.0050 2.999 3.001 V SOLDER HEAT SHIFT Mean −1.1 −1.1 −1.1 mV Sigma 0.4 0.4 0.4 mV OUTPUT VOLTAGE DRIFT1 −40°C to +85°C 7 7 3 ppm/°C −55°C to +125°C 20 20 ppm/°C LINE REGULATION 2.5 V Output, 4 V ≤+VIN ≤ 36 V, TMIN to TMAX 10 10 10 μV/V 3.0 V Output, 4.5 V ≤+VIN ≤ 36 V, TMIN to TMAX 10 10 10 μV/V LOAD REGULATION, SERIES MODE Sourcing 0 mA < IOUT< 10 mA 50 50 50 μV/mA TMIN to TMAX 75 75 75 μV/mA Sinking −10 mA < IOUT< 0 mA 75 75 75 μV/mA −40°C to +85°C 75 75 75 μV/mA −55°C to +125°C 150 150 150 μV/mA LOAD REGULATION, SHUNT MODE I < ISHUNT< 10 mA 75 75 75 μV/mA QUIESCENT CURRENT, 2.5 V SERIES MODE2 –40°C to +85°C 0.75 1.0 0.75 1.0 0.75 1.0 mA −55°C to +125°C 0.8 1.3 0.8 1.3 0.8 1.3 mA MINIMUM SHUNT CURRENT 0.7 1.0 0.7 1.0 0.7 1.0 mA OUTPUT NOISE 0.1 Hz to 10 Hz 4 4 4 μV p-p Spectral Density, 100 Hz 100 100 100 nV/√Hz LONG-TERM STABILITY3 20 20 20 ± ppm/1000 Hr TRIM RANGE 4.0 4.0 4.0 ± % TEMPERATURE PIN Voltage Output @ 25°C 500 560 620 500 560 620 500 560 620 mV Temperature Sensitivity 1.9 1.9 1.9 mV/°C Output Resistance 3 3 3 kΩ SHORT-CIRCUIT CURRENT TO GROUND 30 30 30 mA TEMPERATURE RANGE Specified Performance (A, B, C) −40 +85 −40 +85 −40 +85 °C Operating Performance (A, B, C)4 −55 +125 −55 +125 −55 +125 °C 1 Maximum output voltage drift is guaranteed for all packages. 2 3.0 V mode typically adds 100 μA to the quiescent current. Also, Iq increases by 2 μA/V above an input voltage of 5 V. 3 The long-term stability specification is noncumulative. The drift in subsequent 1,000 hour periods is significantly lower than in the first 1,000 hour period. 4 The operating temperature range is defined as the temperature extremes at which the device will still function. Parts may deviate from their specified performance outside their specified temperature range. Rev. I | Page 3 of 12 Document Outline Features Functional Block Diagram General Description Product Highlights Table of Contents Revision History Specifications Absolute Maximum Ratings Thermal Resistance Notes ESD Caution Theory of Operation Applying the AD780 Noise Performance Noise Comparison Temperature Performance Temperature Output Pin Temperature Transducer Circuit Supply Current Over Temperature Turn-On Time Dynamic Performance Line Regulation Precision Reference for High Resolution 5 V Data Converters 4.5 V Reference from 5 V Supply Negative (–2.5 V) Reference Outline Dimensions Ordering Guide