Datasheet LTC6373 (Analog Devices) - 34
| 制造商 | Analog Devices |
| 描述 | 36V Fully-Differential Programmable-Gain Instrumentation Amplifier with 25pA Input Bias Current |
| 页数 / 页 | 34 / 34 — TYPICAL APPLICATION. LTC6373 Driving the AD7768-1 ∑-Δ ADC through a Fully … |
| 文件格式/大小 | PDF / 4.0 Mb |
| 文件语言 | 英语 |
TYPICAL APPLICATION. LTC6373 Driving the AD7768-1 ∑-Δ ADC through a Fully Differential ADC Driver (ADA4945-1)
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LTC6373
TYPICAL APPLICATION LTC6373 Driving the AD7768-1 ∑-Δ ADC through a Fully Differential ADC Driver (ADA4945-1)
1.3K 4.096V 5V 2.5V 1.8V +15V 6.3V G=0.25 1.575V 4.548V +5V 5V REF AVDD1 AVDD2 IOVDD + V -6.3V + OUT -1.575V 1K 0.452V 82.5 - V A2 A1 A0 - + 100pF 24-BIT VOCM LTC6373 2.5V ADA4945-1 V AD7768-1 -IN 100pF + - DGND + 6.3V 1.575V CAP 1K 4.548V 82.5 - V V +IN VCM AVSS DGND -6.3V -1.575V -15V 0.452V 180pF 1.3K 2.5V 6373 TA02 MEASURED SIGNAL CHAIN PERFORMANCE: INPUT: fIN =1kHz, –0.5dBFS SNR: 106.2dB THD: –120.5dB
RELATED PARTS PART NUMBER DESCRIPTION COMMENTS Programmable-Gain Instrumentation Amplifiers (PGIAs)
AD8250 G = 1, 2, 5, 10 VS = 30V, IS = 4.1mA, VOS = 200µV, BW = 10MHz AD8251 G = 1, 2, 4, 8 VS = 30V, IS = 4.1mA, VOS = 200µV, BW = 10MHz AD8253 G = 1, 10, 100, 1000 VS = 30V, IS = 4.6mA, VOS = 150µV, BW = 10MHz AD8231 Zero-Drift, G = 1, 2, 4, 8, 16, 32, 64, 128 VS = 5V, IS = 4mA, VOS = 15µV, BW = 2.7MHz + Shutdown
Instrumentation Amplifiers (Resistor-Programmable)
AD8421 3nV/√Hz Instrumentation Amplifier VS = 36V, IS = 2mA, VOS = 25µV, BW = 10MHz AD8422 Low Power Instrumentation Amplifier VS = 36V, IS = 300µA, VOS = 25µV, BW = 2.2MHz LT®1167 Precision Instrumentation Amplifier VS = 36V, IS = 900µA, VOS = 40µV, BW = 1MHz AD8221 Precision Instrumentation Amplifier VS = 36V, IS = 900µA, VOS = 25µV, BW = 825kHz
Fully Differential Amplifiers
ADA4945-1 High Speed, Fully Differential ADC Driver 3V-10V Supply Range, 4mA/1.4mA Supply Current in Full and Low Power Modes, −133dBc Distortion at 1kHz
Analog to Digital Converters (ADCs)
AD4020 20-Bit, 1.8Msps, High Precision SAR ADC 1.8V Supply, Differential Input, 100.5dB SNR, ±5V Input Range LTC2378-20 20-Bit, 1Msps, High Precision SAR ADC 2.5V Supply, Differential Input, 104dB SNR, ±5V Input Range AD4003 18-Bit, 2Msps, High Precision SAR ADC 1.8V Supply, Differential Input, 100.5dB SNR, ±5V Input Range LTC2379-18 18-Bit, 1.6Msps, High Precision SAR ADC 2.5V Supply, Differential Input, 101.2dB SNR, ±5V Input Range AD7768/AD7768-4 8-/4-/1-Channel, 24-Bit, Simultaneous- 5V Supply, Differential or Unipolar/Bipolar Input, 108dB DR, 110.8kHz BW /AD7768-1 Sampling, 256ksps ∑-∆ ADC AD7134 4-Channel, 24-Bit, Continuous Time, Easy to Drive Resistive ADC input, 108dB DR, 392kHz BW 1.5Msps ∑-∆ ADC ADAQ4003 18-Bit, 2Msps, Data Acquisition μModule Integrates ADC Driver, Reference Buffer, and SAR ADC in a 7×7mm BGA Package Rev. 0 34 08/20 www.analog.com For more information www.analog.com ANALOG DEVICES, INC. 2020 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Simplified Block Diagram Applications Information Package Description Typical Application Related Parts
TYPICAL APPLICATION LTC6373 Driving the AD7768-1 ∑-Δ ADC through a Fully Differential ADC Driver (ADA4945-1)
1.3K 4.096V 5V 2.5V 1.8V +15V 6.3V G=0.25 1.575V 4.548V +5V 5V REF AVDD1 AVDD2 IOVDD + V -6.3V + OUT -1.575V 1K 0.452V 82.5 - V A2 A1 A0 - + 100pF 24-BIT VOCM LTC6373 2.5V ADA4945-1 V AD7768-1 -IN 100pF + - DGND + 6.3V 1.575V CAP 1K 4.548V 82.5 - V V +IN VCM AVSS DGND -6.3V -1.575V -15V 0.452V 180pF 1.3K 2.5V 6373 TA02 MEASURED SIGNAL CHAIN PERFORMANCE: INPUT: fIN =1kHz, –0.5dBFS SNR: 106.2dB THD: –120.5dB
RELATED PARTS PART NUMBER DESCRIPTION COMMENTS Programmable-Gain Instrumentation Amplifiers (PGIAs)
AD8250 G = 1, 2, 5, 10 VS = 30V, IS = 4.1mA, VOS = 200µV, BW = 10MHz AD8251 G = 1, 2, 4, 8 VS = 30V, IS = 4.1mA, VOS = 200µV, BW = 10MHz AD8253 G = 1, 10, 100, 1000 VS = 30V, IS = 4.6mA, VOS = 150µV, BW = 10MHz AD8231 Zero-Drift, G = 1, 2, 4, 8, 16, 32, 64, 128 VS = 5V, IS = 4mA, VOS = 15µV, BW = 2.7MHz + Shutdown
Instrumentation Amplifiers (Resistor-Programmable)
AD8421 3nV/√Hz Instrumentation Amplifier VS = 36V, IS = 2mA, VOS = 25µV, BW = 10MHz AD8422 Low Power Instrumentation Amplifier VS = 36V, IS = 300µA, VOS = 25µV, BW = 2.2MHz LT®1167 Precision Instrumentation Amplifier VS = 36V, IS = 900µA, VOS = 40µV, BW = 1MHz AD8221 Precision Instrumentation Amplifier VS = 36V, IS = 900µA, VOS = 25µV, BW = 825kHz
Fully Differential Amplifiers
ADA4945-1 High Speed, Fully Differential ADC Driver 3V-10V Supply Range, 4mA/1.4mA Supply Current in Full and Low Power Modes, −133dBc Distortion at 1kHz
Analog to Digital Converters (ADCs)
AD4020 20-Bit, 1.8Msps, High Precision SAR ADC 1.8V Supply, Differential Input, 100.5dB SNR, ±5V Input Range LTC2378-20 20-Bit, 1Msps, High Precision SAR ADC 2.5V Supply, Differential Input, 104dB SNR, ±5V Input Range AD4003 18-Bit, 2Msps, High Precision SAR ADC 1.8V Supply, Differential Input, 100.5dB SNR, ±5V Input Range LTC2379-18 18-Bit, 1.6Msps, High Precision SAR ADC 2.5V Supply, Differential Input, 101.2dB SNR, ±5V Input Range AD7768/AD7768-4 8-/4-/1-Channel, 24-Bit, Simultaneous- 5V Supply, Differential or Unipolar/Bipolar Input, 108dB DR, 110.8kHz BW /AD7768-1 Sampling, 256ksps ∑-∆ ADC AD7134 4-Channel, 24-Bit, Continuous Time, Easy to Drive Resistive ADC input, 108dB DR, 392kHz BW 1.5Msps ∑-∆ ADC ADAQ4003 18-Bit, 2Msps, Data Acquisition μModule Integrates ADC Driver, Reference Buffer, and SAR ADC in a 7×7mm BGA Package Rev. 0 34 08/20 www.analog.com For more information www.analog.com ANALOG DEVICES, INC. 2020 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Simplified Block Diagram Applications Information Package Description Typical Application Related Parts