Datasheet LTC2377-20 (Analog Devices) - 7
| Manufacturer | Analog Devices |
| Description | 20-Bit, 500ksps, Low Power SAR ADC with 0.5ppm INL |
| Pages / Page | 30 / 7 — TYPICAL. PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 2.5V, OVDD = 2.5V, … |
| File Format / Size | PDF / 1.0 Mb |
| Document Language | English |
TYPICAL. PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 2.5V, OVDD = 2.5V, VCM = 2.5V,
Model Line for this Datasheet
- LTC2377CDE-20#PBF LTC2377CDE-20#PBF LTC2377CDE-20#TRPBF LTC2377CDE-20#TRPBF LTC2377CMS-20#PBF LTC2377CMS-20#PBF LTC2377CMS-20#TRPBF LTC2377CMS-20#TRPBF LTC2377IDE-20#PBF LTC2377IDE-20#PBF LTC2377IDE-20#TRPBF LTC2377IDE-20#TRPBF LTC2377IMS-20#PBF LTC2377IMS-20#PBF LTC2377IMS-20#TRPBF LTC2377IMS-20#TRPBF
Text Version of Document
LTC2377-20
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 2.5V, OVDD = 2.5V, VCM = 2.5V, REF = 5V, fSMPL = 500ksps, unless otherwise noted. SNR, SINAD vs Temperature, THD, Harmonics vs Temperature, fIN = 2kHz fIN = 2kHz INL vs Temperature
106 –120 2.0 1.5 105 SNR –125 1.0 MAX INL 104 SINAD 0.5 THD 103 –130 0 3RD MIN INL –0.5 SNR, SINAD (dBFS) 102 INL ERROR (ppm) HARMONICS, THD (dBFS) –135 2ND –1.0 101 –1.5 100 –140 –2.0 –55 –35 –15 5 25 45 65 85 105 125 –55 –35 –15 5 25 45 65 85 105 125 –55 –35 –15 5 25 45 65 85 105 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 237720 G10 237720 G11 237720 G12
Full-Scale Error vs Temperature Offset Error vs Temperature Supply Current vs Temperature
20 4 5.0 15 4.5 3 IVDD 4.0 10 2 3.5 5 –FS 1 3.0 0 0 Y CURRENT (mA) 2.5 –5 +FS 2.0 –1 1.5 OFFSET ERROR (ppm) FULL-SCALE ERROR (ppm) –10 –2 POWER SUPPL 1.0 –15 I –3 0.5 REF IOVDD –20 –4 0 –55 –35 –15 5 25 45 65 85 105 125 –55 –35 –15 5 25 45 65 85 105 125 –55 –35 –15 5 25 45 65 85 105 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 237720 G13 237720 G14 237720 G15
Reference Current Shutdown Current vs Temperature CMRR vs Input Frequency vs Reference Voltage
45 100 0.5 IVDD + IOVDD + IREF 40 95 0.4 35 30 90 0.3 25 85 20 CMRR (dB) 0.2 15 80 10 REFERENCE CURRENT (mA) POWER-DOWN CURRENT (µA) 0.1 75 5 0 70 0 –50 –25 0 25 50 75 100 125 0 50 100 150 200 250 2.5 3.0 3.5 4.0 4.5 5.0 TEMPERATURE (°C) FREQUENCY (kHz) REFERENCE VOLTAGE (V) 237720 G16 237720 G17 237720 G18 237720fb For more information www.linear.com/LTC2377-20 7 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics converter Characteristics Dynamic Accuracy Reference Input Digital Inputs and Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information Board Layout Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 2.5V, OVDD = 2.5V, VCM = 2.5V, REF = 5V, fSMPL = 500ksps, unless otherwise noted. SNR, SINAD vs Temperature, THD, Harmonics vs Temperature, fIN = 2kHz fIN = 2kHz INL vs Temperature
106 –120 2.0 1.5 105 SNR –125 1.0 MAX INL 104 SINAD 0.5 THD 103 –130 0 3RD MIN INL –0.5 SNR, SINAD (dBFS) 102 INL ERROR (ppm) HARMONICS, THD (dBFS) –135 2ND –1.0 101 –1.5 100 –140 –2.0 –55 –35 –15 5 25 45 65 85 105 125 –55 –35 –15 5 25 45 65 85 105 125 –55 –35 –15 5 25 45 65 85 105 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 237720 G10 237720 G11 237720 G12
Full-Scale Error vs Temperature Offset Error vs Temperature Supply Current vs Temperature
20 4 5.0 15 4.5 3 IVDD 4.0 10 2 3.5 5 –FS 1 3.0 0 0 Y CURRENT (mA) 2.5 –5 +FS 2.0 –1 1.5 OFFSET ERROR (ppm) FULL-SCALE ERROR (ppm) –10 –2 POWER SUPPL 1.0 –15 I –3 0.5 REF IOVDD –20 –4 0 –55 –35 –15 5 25 45 65 85 105 125 –55 –35 –15 5 25 45 65 85 105 125 –55 –35 –15 5 25 45 65 85 105 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 237720 G13 237720 G14 237720 G15
Reference Current Shutdown Current vs Temperature CMRR vs Input Frequency vs Reference Voltage
45 100 0.5 IVDD + IOVDD + IREF 40 95 0.4 35 30 90 0.3 25 85 20 CMRR (dB) 0.2 15 80 10 REFERENCE CURRENT (mA) POWER-DOWN CURRENT (µA) 0.1 75 5 0 70 0 –50 –25 0 25 50 75 100 125 0 50 100 150 200 250 2.5 3.0 3.5 4.0 4.5 5.0 TEMPERATURE (°C) FREQUENCY (kHz) REFERENCE VOLTAGE (V) 237720 G16 237720 G17 237720 G18 237720fb For more information www.linear.com/LTC2377-20 7 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics converter Characteristics Dynamic Accuracy Reference Input Digital Inputs and Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information Board Layout Package Description Revision History Typical Application Related Parts
