Datasheet ADR291W (Analog Devices) - 3
| 制造商 | Analog Devices |
| 描述 | Low Noise Micropower Precision Voltage Reference (2.5 V) |
| 页数 / 页 | 8 / 3 — ADR291W. SPECIFICATIONS ELECTRICAL SPECIFICATIONS. Table 2. Parameter. … |
| 文件格式/大小 | PDF / 128 Kb |
| 文件语言 | 英语 |
ADR291W. SPECIFICATIONS ELECTRICAL SPECIFICATIONS. Table 2. Parameter. Symbol. Conditions. Min. Typ. Max. Unit. Table 3. Parameter
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ADR291W SPECIFICATIONS ELECTRICAL SPECIFICATIONS
VS = 3.0 V to 15 V, TA = 25°C, unless otherwise noted.
Table 2. Parameter Symbol Conditions Min Typ Max Unit
F GRADE Output Voltage VOUT IOUT = 0 mA, −40°C ≤ TA ≤ +125°C 2.4917 2.500 2.5083 V Output Voltage Variation1 –0.332 +0.332 % LINE REGULATION F Grade ∆VOUT/∆VIN IOUT = 0 mA 30 100 ppm/V LOAD REGULATION F Grade ∆VOUT/∆ILOAD VS = 5.0 V, IOUT = 0 mA to 5 mA 30 100 ppm/mA LONG-TERM STABILITY ∆VOUT After 1000 hours of operation @ 125°C 50 ppm NOISE VOLTAGE eN 0.1 Hz to 10 Hz 8 μV p-p WIDEBAND NOISE DENSITY eN At 1 kHz 480 nV/√Hz 1 Includes output voltage changes due to long-term drift and thermally induced output voltage hysteresis. VS = 3.0 V to 15 V, TA = −25°C to +85°C, unless otherwise noted.
Table 3. Parameter Symbol Conditions Min Typ Max Unit
TEMPERATURE COEFFICIENT F Grade 5 15 ppm/°C LINE REGULATION F Grade ∆VOUT/∆VIN IOUT = 0 mA 35 125 ppm/V LOAD REGULATION F Grade ∆VOUT/∆ILOAD VS = 5.0 V, IOUT = 0 mA to 5 mA 20 125 ppm/mA VS = 3.0 V to 15 V, TA = −40°C to +125°C, unless otherwise noted.
Table 4. Parameter Symbol Conditions Min Typ Max Unit
TEMPERATURE COEFFICIENT F Grade 5 20 ppm/°C LINE REGULATION F Grade ∆VOUT/∆VIN IOUT = 0 mA 40 200 ppm/V LOAD REGULATION F Grade ∆VOUT/∆ILOAD VS = 5.0 V, IOUT = 0 mA to 5 mA 20 200 ppm/mA SUPPLY CURRENT IS TA = 25°C 9 12 μA −40°C ≤ TA ≤ +125°C 12 15 μA OUTPUT VOLTAGE HYSTERESIS VOUT-HYS 8-lead SOIC 50 ppm Rev. 0 | Page 3 of 8 Document Outline Features Applications Connection Diagram General Description Revision History Specifications Electrical Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Terminology Outline Dimensions Ordering Guide
ADR291W SPECIFICATIONS ELECTRICAL SPECIFICATIONS
VS = 3.0 V to 15 V, TA = 25°C, unless otherwise noted.
Table 2. Parameter Symbol Conditions Min Typ Max Unit
F GRADE Output Voltage VOUT IOUT = 0 mA, −40°C ≤ TA ≤ +125°C 2.4917 2.500 2.5083 V Output Voltage Variation1 –0.332 +0.332 % LINE REGULATION F Grade ∆VOUT/∆VIN IOUT = 0 mA 30 100 ppm/V LOAD REGULATION F Grade ∆VOUT/∆ILOAD VS = 5.0 V, IOUT = 0 mA to 5 mA 30 100 ppm/mA LONG-TERM STABILITY ∆VOUT After 1000 hours of operation @ 125°C 50 ppm NOISE VOLTAGE eN 0.1 Hz to 10 Hz 8 μV p-p WIDEBAND NOISE DENSITY eN At 1 kHz 480 nV/√Hz 1 Includes output voltage changes due to long-term drift and thermally induced output voltage hysteresis. VS = 3.0 V to 15 V, TA = −25°C to +85°C, unless otherwise noted.
Table 3. Parameter Symbol Conditions Min Typ Max Unit
TEMPERATURE COEFFICIENT F Grade 5 15 ppm/°C LINE REGULATION F Grade ∆VOUT/∆VIN IOUT = 0 mA 35 125 ppm/V LOAD REGULATION F Grade ∆VOUT/∆ILOAD VS = 5.0 V, IOUT = 0 mA to 5 mA 20 125 ppm/mA VS = 3.0 V to 15 V, TA = −40°C to +125°C, unless otherwise noted.
Table 4. Parameter Symbol Conditions Min Typ Max Unit
TEMPERATURE COEFFICIENT F Grade 5 20 ppm/°C LINE REGULATION F Grade ∆VOUT/∆VIN IOUT = 0 mA 40 200 ppm/V LOAD REGULATION F Grade ∆VOUT/∆ILOAD VS = 5.0 V, IOUT = 0 mA to 5 mA 20 200 ppm/mA SUPPLY CURRENT IS TA = 25°C 9 12 μA −40°C ≤ TA ≤ +125°C 12 15 μA OUTPUT VOLTAGE HYSTERESIS VOUT-HYS 8-lead SOIC 50 ppm Rev. 0 | Page 3 of 8 Document Outline Features Applications Connection Diagram General Description Revision History Specifications Electrical Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Terminology Outline Dimensions Ordering Guide