Datasheet ADA4945-1 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | High-Speed, ±0.3µV/°C Offset Drift, Fully Differential ADC Driver |
| 页数 / 页 | 18 / 4 — ADA4945-1. Preliminary Technical Data. Full Power Mode. Low Power Mode. … |
| 修订版 | PrC |
| 文件格式/大小 | PDF / 468 Kb |
| 文件语言 | 英语 |
ADA4945-1. Preliminary Technical Data. Full Power Mode. Low Power Mode. Parameter. Test Conditions/Comments. Min. Typ Max Min. Typ Max
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ADA4945-1 Preliminary Technical Data Full Power Mode Low Power Mode Parameter Test Conditions/Comments Min Typ Max Min Typ Max Unit
INPUT CHARACTERISTICS Input Offset Voltage 25°C ±10 ±50 ±10 ±50 μV 20°C to 85°C ±10 ±80 ±10 ±80 μV −40°C to +125°C ±30 TBD ±30 TBD μV Input Offset Voltage Drift 20°C to 85°C ±0.1 ±0.5 ±0.1 ±0.5 μV/°C −40°C to +125°C ±0.3 TBD ±0.3 TBD μV/°C Input Bias Current 25°C −2.5 −5.5 −0.8 −2.0 μA 20°C to 85°C −3.6 TBD −3.6 TBD μA −40°C to +125°C TBD TBD TBD TBD μA Input Bias Current Drift 20°C to 85°C −10 TBD −3 TBD nA/°C −40°C to +125°C TBD TBD TBD TBD nA/°C Input Offset Current 25°C ±40 TBD ±20 TBD nA 20°C to 85°C TBD TBD TBD TBD nA −40°C to +125°C TBD TBD TBD TBD nA Input Offset Current Drift 20°C to 85°C TBD TBD TBD TBD nA/°C −40°C to +125°C TBD TBD TBD TBD nA/°C Input Common-Mode −VS +VS − −VS +VS − V Voltage (VCM) Range 1.3 1.3 Input Resistance Differential 50 50 kΩ Common mode TBD TBD MΩ Input Capacitance 1 1 pF Common-Mode Rejection VCM = 0.5 V to 9 V −110 −110 dB Ratio (CMRR) Open-Loop Gain Output voltage (VOUT) = ± 4 V 120 115 dB OUTPUT CHARACTERISTICS Output Voltage Swing Load resistance (RL) = 100 Ω −VS + +VS − −VS + +VS − V for each single-ended output TBD TBD TBD TBD RL = 1 kΩ −VS + +VS − −VS + +VS − V 0.05 0.05 0.05 0.05 Short-Circuit Current 80 TBD mA peak Output Balance Error f = 100kHz, ΔVOUT,cm/ΔVOUT,dm 100 100 dB Rev. PrA | Page 4 of 18 Document Outline Features Applications General Description Functional Block Diagram Table of Contents Specifications Supply Voltage (VS) = 10 V Positive Input (+DIN) or Negative Input (–DIN) to Differential Output Voltage (VOUT, dm) Performance VOCM to VOUT, cm Performance General Performance VS = 5 V +DIN or –DIN to VOUT, dm Performance VOCM to VOUT, cm Performance General Performance VS = 3 V +DIN or –DIN to VOUT, dm Performance VOCM to VOUT, cm Performance General Performance Absolute Maximum Ratings Thermal Resistance Maximum Power Dissipation ESD Caution Pin Configuration and Function Descriptions Terminology Outline Dimensions
INPUT CHARACTERISTICS Input Offset Voltage 25°C ±10 ±50 ±10 ±50 μV 20°C to 85°C ±10 ±80 ±10 ±80 μV −40°C to +125°C ±30 TBD ±30 TBD μV Input Offset Voltage Drift 20°C to 85°C ±0.1 ±0.5 ±0.1 ±0.5 μV/°C −40°C to +125°C ±0.3 TBD ±0.3 TBD μV/°C Input Bias Current 25°C −2.5 −5.5 −0.8 −2.0 μA 20°C to 85°C −3.6 TBD −3.6 TBD μA −40°C to +125°C TBD TBD TBD TBD μA Input Bias Current Drift 20°C to 85°C −10 TBD −3 TBD nA/°C −40°C to +125°C TBD TBD TBD TBD nA/°C Input Offset Current 25°C ±40 TBD ±20 TBD nA 20°C to 85°C TBD TBD TBD TBD nA −40°C to +125°C TBD TBD TBD TBD nA Input Offset Current Drift 20°C to 85°C TBD TBD TBD TBD nA/°C −40°C to +125°C TBD TBD TBD TBD nA/°C Input Common-Mode −VS +VS − −VS +VS − V Voltage (VCM) Range 1.3 1.3 Input Resistance Differential 50 50 kΩ Common mode TBD TBD MΩ Input Capacitance 1 1 pF Common-Mode Rejection VCM = 0.5 V to 9 V −110 −110 dB Ratio (CMRR) Open-Loop Gain Output voltage (VOUT) = ± 4 V 120 115 dB OUTPUT CHARACTERISTICS Output Voltage Swing Load resistance (RL) = 100 Ω −VS + +VS − −VS + +VS − V for each single-ended output TBD TBD TBD TBD RL = 1 kΩ −VS + +VS − −VS + +VS − V 0.05 0.05 0.05 0.05 Short-Circuit Current 80 TBD mA peak Output Balance Error f = 100kHz, ΔVOUT,cm/ΔVOUT,dm 100 100 dB Rev. PrA | Page 4 of 18 Document Outline Features Applications General Description Functional Block Diagram Table of Contents Specifications Supply Voltage (VS) = 10 V Positive Input (+DIN) or Negative Input (–DIN) to Differential Output Voltage (VOUT, dm) Performance VOCM to VOUT, cm Performance General Performance VS = 5 V +DIN or –DIN to VOUT, dm Performance VOCM to VOUT, cm Performance General Performance VS = 3 V +DIN or –DIN to VOUT, dm Performance VOCM to VOUT, cm Performance General Performance Absolute Maximum Ratings Thermal Resistance Maximum Power Dissipation ESD Caution Pin Configuration and Function Descriptions Terminology Outline Dimensions