Datasheet LTC2493 (Analog Devices) - 10
| Hersteller | Analog Devices |
| Beschreibung | 24-Bit 2-/4-Channel ∆Σ ADC with Easy Drive Input Current Cancellation and I2C Interface |
| Seiten / Seite | 32 / 10 — Typical perForMance characTerisTics. Offset Error vs VCC. Offset Error vs … |
| Dateiformat / Größe | PDF / 552 Kb |
| Dokumentensprache | Englisch |
Typical perForMance characTerisTics. Offset Error vs VCC. Offset Error vs VREF. PSRR vs Frequency at VCC. (2x Speed Mode)
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LTC2493
Typical perForMance characTerisTics Offset Error vs VCC Offset Error vs VREF PSRR vs Frequency at VCC (2x Speed Mode) (2x Speed Mode) (2x Speed Mode)
250 240 0 VREF = 2.5V VCC = 5V VCC = 4.1V DC ±0.7V VIN = 0V 230 VIN = 0V –20 REF+ = 2.5V 200 VIN(CM) = GND VIN(CM) = GND REF– = GND fO = GND 220 fO = GND IN+ = GND V) TA = 25°C V) TA = 25°C –40 IN– = GND f 150 210 O = GND –60 TA = 25°C 200 100 –80 190 REJECTION (dB) OFFSET ERROR (µ OFFSET ERROR (µ –100 180 50 170 –120 0 160 –140 2 2.5 3 3.5 4 4.5 5 5.5 0 1 2 3 4 5 1 10 100 1k 10k 100k 1M VCC (V) VREF (V) FREQUENCY AT VCC (Hz) 2493 G34 2493 G35 2493 G36
PSRR vs Frequency at VCC PSRR vs Frequency at VCC (2x Speed Mode) (2x Speed Mode)
0 0 VCC = 4.1V DC ±1.4V VCC = 4.1V DC ±0.7V REF+ = 2.5V REF+ = 2.5V –20 REF– = GND –20 REF– = GND IN+ = GND IN+ = GND –40 IN– = GND –40 IN– = GND fO = GND fO = GND –60 TA = 25°C –60 TA = 25°C –80 –80 RREJECTION (dB) REJECTION (dB) –100 –100 –120 –120 –140 –140 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) 2493 G37 2493 G38 2493fe 10 For more information www.linear.com/LTC2493 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics (Normal Speed) Electrical Characteristics (2x Speed) Converter Characteristics Analog Input and Reference I2C Inputs and Digital Outputs Power Requirements Digital Inputs and Digital Outputs I2C Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Applications Information Package Description Revision History Typical Application Related Parts
Typical perForMance characTerisTics Offset Error vs VCC Offset Error vs VREF PSRR vs Frequency at VCC (2x Speed Mode) (2x Speed Mode) (2x Speed Mode)
250 240 0 VREF = 2.5V VCC = 5V VCC = 4.1V DC ±0.7V VIN = 0V 230 VIN = 0V –20 REF+ = 2.5V 200 VIN(CM) = GND VIN(CM) = GND REF– = GND fO = GND 220 fO = GND IN+ = GND V) TA = 25°C V) TA = 25°C –40 IN– = GND f 150 210 O = GND –60 TA = 25°C 200 100 –80 190 REJECTION (dB) OFFSET ERROR (µ OFFSET ERROR (µ –100 180 50 170 –120 0 160 –140 2 2.5 3 3.5 4 4.5 5 5.5 0 1 2 3 4 5 1 10 100 1k 10k 100k 1M VCC (V) VREF (V) FREQUENCY AT VCC (Hz) 2493 G34 2493 G35 2493 G36
PSRR vs Frequency at VCC PSRR vs Frequency at VCC (2x Speed Mode) (2x Speed Mode)
0 0 VCC = 4.1V DC ±1.4V VCC = 4.1V DC ±0.7V REF+ = 2.5V REF+ = 2.5V –20 REF– = GND –20 REF– = GND IN+ = GND IN+ = GND –40 IN– = GND –40 IN– = GND fO = GND fO = GND –60 TA = 25°C –60 TA = 25°C –80 –80 RREJECTION (dB) REJECTION (dB) –100 –100 –120 –120 –140 –140 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) 2493 G37 2493 G38 2493fe 10 For more information www.linear.com/LTC2493 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics (Normal Speed) Electrical Characteristics (2x Speed) Converter Characteristics Analog Input and Reference I2C Inputs and Digital Outputs Power Requirements Digital Inputs and Digital Outputs I2C Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Applications Information Package Description Revision History Typical Application Related Parts