Datasheet LTC2493 (Analog Devices) - 32
| Manufacturer | Analog Devices |
| Description | 24-Bit 2-/4-Channel ∆Σ ADC with Easy Drive Input Current Cancellation and I2C Interface |
| Pages / Page | 32 / 32 — Typical applicaTion. Figure 38. Easy Drive ADCs Simplify Measurement of … |
| File Format / Size | PDF / 552 Kb |
| Document Language | English |
Typical applicaTion. Figure 38. Easy Drive ADCs Simplify Measurement of High Impedance Sensors. relaTeD parTs. PART NUMBER
Model Line for this Datasheet
Text Version of Document
LTC2493
Typical applicaTion
5V 5V R1 12 1 = EXTERNAL OSCILLATOR 51.1k VCC fO = INTERNAL OSCILLATOR 10µF C4 + LTC2493 IIN = 0 0.1µF R3 13 10k TO 100k 1.7k REF+ 5 14 SDA 0.1µF REF– 2-WIRE 4 C3 – SCL I2C INTERFACE R4 IIN = 0 0.1µF 51.1k 8 CH0 5V 9 2 CH1 CA0 9-PIN SELECTABLE 10 3 5V ADDRESSES 102k CH2 CA1 11 CH3 + 1k 7 6 0.1µF COM GND LT1494 10k TO 100k 2493 F38 – 0.1µF 1k 0.1µF
Figure 38. Easy Drive ADCs Simplify Measurement of High Impedance Sensors relaTeD parTs PART NUMBER DESCRIPTION COMMENTS
LT1236A-5 Precision Bandgap Reference, 5V 0.05% Max Initial Accuracy, 5ppm/°C Drift LT1460 Micropower Series Reference 0.075% Max Initial Accuracy, 10ppm/°C Max Drift LT1790 Micropower SOT-23 Low Dropout Reference Family 0.05% Max Initial Accuracy, 10ppm/°C Max Drift LTC2400 24-Bit, No Latency ∆∑ ADC in SO-8 0.3ppm Noise, 4ppm INL, 10ppm Total Unadjusted Error, 200µA LTC2410 24-Bit, No Latency ∆∑ ADC with Differential Inputs 0.8µVRMS Noise, 2ppm INL LTC2440 24-Bit, High Speed, Low Noise ∆∑ ADC 3.5kHz Output Rate, 200nVRMS Noise, 24.6 ENOBs LTC2442 24-Bit, High Speed, 2-/4-Channel ∆∑ ADC with Integrated 8kHz Output Rate, 200nVRMS Noise, Simultaneous 50Hz/60Hz Amplifier Rejection LTC2449 24-Bit, High Speed, 8-/16-Channel ∆∑ ADC 8kHz Output Rate, 200nVRMS Noise, Simultaneous 50Hz/60Hz Rejection LTC2480/LTC2482/ 16-Bit/24-Bit ∆∑ ADCs with Easy Drive Inputs, 600nVRMS Noise, Pin Compatible 16-Bit and 24-Bit Versions LTC2484 Programmable Gain, and Temperature Sensor LTC2481/LTC2483/ 16-Bit/24-Bit ∆∑ ADCs with Easy Drive Inputs, 600nVRMS Noise, Pin Compatible 16-Bit and 24-Bit Versions LTC2485 I2C Interface, Programmable Gain, and Temperature Sensor LTC2486/LTC2488/ 16-Bit/24-Bit 2-/4-Channel ∆∑ ADC with Easy Drive Inputs, SPI Pin-Compatible 16-Bit and 24-Bit Versions LTC2492 Interface, Programmable Gain, and Temperature Sensor LTC2487 16-Bit 2-/4-Channel ∆∑ ADC with Easy Drive Inputs and Pin-Compatible with LTC2493/LTC2489 I2C Interface, Temperature Sensor LTC2489 16-Bit 2-/4-Channel ∆∑ ADC with Easy Drive Inputs Pin-Compatible with LTC2487/LTC2493 LTC2495/LTC2497/ 16-Bit/24-Bit 8-/16-Channel ∆∑ ADC with Easy Drive Inputs and Pin-Compatible 16-Bit and 24-Bit Versions LTC2499 I2C Interface, Programmable Gain, and Temperature Sensor LTC2496/LTC2498 16-Bit/24-Bit 8-/16-Channel ∆∑ ADC with Easy Drive Inputs and Pin-Compatible with LTC2498/LTC2449 SPI Interface 2493fe 32 LT 1114 REV E • PRINTED IN USA Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95Fo 0 r3 m 5- o7re 4 in 17formation www.linear.com/LTC2493 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com/LTC2493 LINEAR TECHNOLOGY CORPORATION 2006 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 applicaTion
5V 5V R1 12 1 = EXTERNAL OSCILLATOR 51.1k VCC fO = INTERNAL OSCILLATOR 10µF C4 + LTC2493 IIN = 0 0.1µF R3 13 10k TO 100k 1.7k REF+ 5 14 SDA 0.1µF REF– 2-WIRE 4 C3 – SCL I2C INTERFACE R4 IIN = 0 0.1µF 51.1k 8 CH0 5V 9 2 CH1 CA0 9-PIN SELECTABLE 10 3 5V ADDRESSES 102k CH2 CA1 11 CH3 + 1k 7 6 0.1µF COM GND LT1494 10k TO 100k 2493 F38 – 0.1µF 1k 0.1µF
Figure 38. Easy Drive ADCs Simplify Measurement of High Impedance Sensors relaTeD parTs PART NUMBER DESCRIPTION COMMENTS
LT1236A-5 Precision Bandgap Reference, 5V 0.05% Max Initial Accuracy, 5ppm/°C Drift LT1460 Micropower Series Reference 0.075% Max Initial Accuracy, 10ppm/°C Max Drift LT1790 Micropower SOT-23 Low Dropout Reference Family 0.05% Max Initial Accuracy, 10ppm/°C Max Drift LTC2400 24-Bit, No Latency ∆∑ ADC in SO-8 0.3ppm Noise, 4ppm INL, 10ppm Total Unadjusted Error, 200µA LTC2410 24-Bit, No Latency ∆∑ ADC with Differential Inputs 0.8µVRMS Noise, 2ppm INL LTC2440 24-Bit, High Speed, Low Noise ∆∑ ADC 3.5kHz Output Rate, 200nVRMS Noise, 24.6 ENOBs LTC2442 24-Bit, High Speed, 2-/4-Channel ∆∑ ADC with Integrated 8kHz Output Rate, 200nVRMS Noise, Simultaneous 50Hz/60Hz Amplifier Rejection LTC2449 24-Bit, High Speed, 8-/16-Channel ∆∑ ADC 8kHz Output Rate, 200nVRMS Noise, Simultaneous 50Hz/60Hz Rejection LTC2480/LTC2482/ 16-Bit/24-Bit ∆∑ ADCs with Easy Drive Inputs, 600nVRMS Noise, Pin Compatible 16-Bit and 24-Bit Versions LTC2484 Programmable Gain, and Temperature Sensor LTC2481/LTC2483/ 16-Bit/24-Bit ∆∑ ADCs with Easy Drive Inputs, 600nVRMS Noise, Pin Compatible 16-Bit and 24-Bit Versions LTC2485 I2C Interface, Programmable Gain, and Temperature Sensor LTC2486/LTC2488/ 16-Bit/24-Bit 2-/4-Channel ∆∑ ADC with Easy Drive Inputs, SPI Pin-Compatible 16-Bit and 24-Bit Versions LTC2492 Interface, Programmable Gain, and Temperature Sensor LTC2487 16-Bit 2-/4-Channel ∆∑ ADC with Easy Drive Inputs and Pin-Compatible with LTC2493/LTC2489 I2C Interface, Temperature Sensor LTC2489 16-Bit 2-/4-Channel ∆∑ ADC with Easy Drive Inputs Pin-Compatible with LTC2487/LTC2493 LTC2495/LTC2497/ 16-Bit/24-Bit 8-/16-Channel ∆∑ ADC with Easy Drive Inputs and Pin-Compatible 16-Bit and 24-Bit Versions LTC2499 I2C Interface, Programmable Gain, and Temperature Sensor LTC2496/LTC2498 16-Bit/24-Bit 8-/16-Channel ∆∑ ADC with Easy Drive Inputs and Pin-Compatible with LTC2498/LTC2449 SPI Interface 2493fe 32 LT 1114 REV E • PRINTED IN USA Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95Fo 0 r3 m 5- o7re 4 in 17formation www.linear.com/LTC2493 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com/LTC2493 LINEAR TECHNOLOGY CORPORATION 2006 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
