Datasheet LTC2496 (Analog Devices) - 7
| Hersteller | Analog Devices |
| Beschreibung | 16-Bit 8-/16-Channel ΔΣ ADC with Easy Drive Input Current Cancellation |
| Seiten / Seite | 32 / 7 — Typical perForMance characTerisTics. On-Chip Oscillator Frequency. Offset … |
| Dateiformat / Größe | PDF / 668 Kb |
| Dokumentensprache | Englisch |
Typical perForMance characTerisTics. On-Chip Oscillator Frequency. Offset Error vs VREF. vs Temperature. vs VCC
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LTC2496
Typical perForMance characTerisTics On-Chip Oscillator Frequency On-Chip Oscillator Frequency Offset Error vs VREF vs Temperature vs VCC
0.3 310 310 VCC = 5V VREF = 2.5V REF– = GND VIN = 0V ) 0.2 VIN = 0V V 308 308 IN(CM) = GND REF VIN(CM) = GND fO = GND TA = 25°C TA = 25°C 0.1 306 306 0 304 304 –0.1 FREQUENCY (kHz) FREQUENCY (kHz) VCC = 4.1V V OFFSET ERROR (ppm OF V REF = 2.5V –0.2 302 V 302 IN = 0V VIN(CM) = GND fO = GND –0.3 300 300 0 1 2 3 4 5 –45 –30 –15 0 15 30 45 60 75 90 2.5 3.0 3.5 4.0 4.5 5.0 5.5 VREF (V) TEMPERATURE (°C) VCC (V) 2496 G28 2496 G29 2496 G30
PSRR vs Frequency at VCC PSRR vs Frequency at VCC PSRR vs Frequency at VCC
0 0 0 VCC = 4.1V DC VCC = 4.1V DC ±1.4V VCC = 4.1V DC ±0.7V V V V –20 REF = 2.5V REF = 2.5V REF = 2.5V IN+ = GND –20 IN+ = GND –20 IN+ = GND IN– = GND IN– = GND IN– = GND –40 fO = GND –40 fO = GND –40 fO = GND TA = 25°C TA = 25°C TA = 25°C –60 –60 –60 –80 –80 –80 REJECTION (dB) REJECTION (dB) REJECTION (dB) –100 –100 –100 –120 –120 –120 –140 –140 –140 0 10 100 1k 10k 100k 1M 0 20 40 60 80 100 120 140 160 180 200 220 30600 30650 30700 30750 30800 FREQUENCY AT VCC (Hz) FREQUENCY AT VCC (Hz) FREQUENCY AT VCC (Hz) 2496 G31 2496 G32 2496 G33
Conversion Current Sleep Mode Current Conversion Current vs Temperature vs Temperature vs Data Output Rate
200 2.0 500 fO = GND fO = GND VREF = VCC CS = GND 1.8 CS = VCC 450 IN+ = GND IN– = GND 180 SCK = NC SCK = NC SDO = NC 1.6 SDO = NC 400 SCK = NC VCC = 5V 1.4 SDO = NC CS = GND 160 1.2 350 VCC = 5V fO = EXT OSC 1.0 300 TA = 25°C VCC = 2.7V VCC = 5V 140 0.8 250 VCC = 3V 0.6 VCC = 2.7V SUPPLY CURRENT (µA) 200 CONVERSION CURRENT (µA) 120 SLEEP MODE CURRENT (µA) 0.4 0.2 150 100 0 100 –45 –30 –15 0 15 30 45 60 75 90 –45 –30 –15 0 15 30 45 60 75 90 0 10 20 30 TEMPERATURE (°C) TEMPERATURE (°C) OUTPUT DATA RATE (READINGS/SEC) 2496 G34 2496 G35 2496 G36 2496fc For more information www.linear.com/LTC2496 7 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Analog Input and Reference Digital Inputs and Digital Outputs Power Requirements Typical Performance Characteristics Pin Functions Functional Block Diagram Test Circuits Timing Diagrams Applications Information Package Description Revision History Typical Application Related Parts
Typical perForMance characTerisTics On-Chip Oscillator Frequency On-Chip Oscillator Frequency Offset Error vs VREF vs Temperature vs VCC
0.3 310 310 VCC = 5V VREF = 2.5V REF– = GND VIN = 0V ) 0.2 VIN = 0V V 308 308 IN(CM) = GND REF VIN(CM) = GND fO = GND TA = 25°C TA = 25°C 0.1 306 306 0 304 304 –0.1 FREQUENCY (kHz) FREQUENCY (kHz) VCC = 4.1V V OFFSET ERROR (ppm OF V REF = 2.5V –0.2 302 V 302 IN = 0V VIN(CM) = GND fO = GND –0.3 300 300 0 1 2 3 4 5 –45 –30 –15 0 15 30 45 60 75 90 2.5 3.0 3.5 4.0 4.5 5.0 5.5 VREF (V) TEMPERATURE (°C) VCC (V) 2496 G28 2496 G29 2496 G30
PSRR vs Frequency at VCC PSRR vs Frequency at VCC PSRR vs Frequency at VCC
0 0 0 VCC = 4.1V DC VCC = 4.1V DC ±1.4V VCC = 4.1V DC ±0.7V V V V –20 REF = 2.5V REF = 2.5V REF = 2.5V IN+ = GND –20 IN+ = GND –20 IN+ = GND IN– = GND IN– = GND IN– = GND –40 fO = GND –40 fO = GND –40 fO = GND TA = 25°C TA = 25°C TA = 25°C –60 –60 –60 –80 –80 –80 REJECTION (dB) REJECTION (dB) REJECTION (dB) –100 –100 –100 –120 –120 –120 –140 –140 –140 0 10 100 1k 10k 100k 1M 0 20 40 60 80 100 120 140 160 180 200 220 30600 30650 30700 30750 30800 FREQUENCY AT VCC (Hz) FREQUENCY AT VCC (Hz) FREQUENCY AT VCC (Hz) 2496 G31 2496 G32 2496 G33
Conversion Current Sleep Mode Current Conversion Current vs Temperature vs Temperature vs Data Output Rate
200 2.0 500 fO = GND fO = GND VREF = VCC CS = GND 1.8 CS = VCC 450 IN+ = GND IN– = GND 180 SCK = NC SCK = NC SDO = NC 1.6 SDO = NC 400 SCK = NC VCC = 5V 1.4 SDO = NC CS = GND 160 1.2 350 VCC = 5V fO = EXT OSC 1.0 300 TA = 25°C VCC = 2.7V VCC = 5V 140 0.8 250 VCC = 3V 0.6 VCC = 2.7V SUPPLY CURRENT (µA) 200 CONVERSION CURRENT (µA) 120 SLEEP MODE CURRENT (µA) 0.4 0.2 150 100 0 100 –45 –30 –15 0 15 30 45 60 75 90 –45 –30 –15 0 15 30 45 60 75 90 0 10 20 30 TEMPERATURE (°C) TEMPERATURE (°C) OUTPUT DATA RATE (READINGS/SEC) 2496 G34 2496 G35 2496 G36 2496fc For more information www.linear.com/LTC2496 7 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Analog Input and Reference Digital Inputs and Digital Outputs Power Requirements Typical Performance Characteristics Pin Functions Functional Block Diagram Test Circuits Timing Diagrams Applications Information Package Description Revision History Typical Application Related Parts