Datasheet Linear Technology LTC2345-18
| Manufacturer | Linear Technology |
| Series | LTC2345-18 |
Octal, 18-Bit, 200ksps Differential SoftSpan ADC with Wide Input Common Mode Range
Datasheets
Datasheet LTC2345-18
PDF, 1.9 Mb, Language: en, File uploaded: Aug 20, 2017, Pages: 40
Octal, 18-Bit, 200ksps Differential SoftSpan ADC with Wide Input Common Mode Range
Octal, 18-Bit, 200ksps Differential SoftSpan ADC with Wide Input Common Mode Range
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Prices
Packaging
| LTC2345CUK-18#PBF | LTC2345CUK-18#TRPBF | LTC2345HUK-18#PBF | LTC2345HUK-18#TRPBF | LTC2345IUK-18#PBF | LTC2345IUK-18#TRPBF | |
|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 |
| Package | 7x7 QFN-48 Package Outline Drawing | 7x7 QFN-48 Package Outline Drawing | 7x7 QFN-48 Package Outline Drawing | 7x7 QFN-48 Package Outline Drawing | 7x7 QFN-48 Package Outline Drawing | 7x7 QFN-48 Package Outline Drawing |
| Package Code | UK | UK | UK | UK | UK | UK |
| Package Index | 05-08-1704 | 05-08-1704 | 05-08-1704 | 05-08-1704 | 05-08-1704 | 05-08-1704 |
| Pin Count | 48 | 48 | 48 | 48 | 48 | 48 |
Parametrics
| Parameters / Models | LTC2345CUK-18#PBF | LTC2345CUK-18#TRPBF | LTC2345HUK-18#PBF | LTC2345HUK-18#TRPBF | LTC2345IUK-18#PBF | LTC2345IUK-18#TRPBF |
|---|---|---|---|---|---|---|
| ADC INL, LSB | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
| ADCs | 1 | 1 | 1 | 1 | 1 | 1 |
| Architecture | SAR | SAR | SAR | SAR | SAR | SAR |
| Bipolar/Unipolar Input | Unipolar, Bipolar | Unipolar, Bipolar | Unipolar, Bipolar | Unipolar, Bipolar | Unipolar, Bipolar | Unipolar, Bipolar |
| Bits, bits | 18 | 18 | 18 | 18 | 18 | 18 |
| Number of Channels | 8 | 8 | 8 | 8 | 8 | 8 |
| DNL, LSB | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| Demo Boards | DC2326A-A | DC2326A-A | DC2326A-A | DC2326A-A | DC2326A-A | DC2326A-A |
| Export Control | no | no | no | no | no | no |
| Features | SoftSpan, Simultaneous Sampling | SoftSpan, Simultaneous Sampling | SoftSpan, Simultaneous Sampling | SoftSpan, Simultaneous Sampling | SoftSpan, Simultaneous Sampling | SoftSpan, Simultaneous Sampling |
| I/O | Serial SPI, Serial LVDS | Serial SPI, Serial LVDS | Serial SPI, Serial LVDS | Serial SPI, Serial LVDS | Serial SPI, Serial LVDS | Serial SPI, Serial LVDS |
| Input Drive | Differential with wide input common mode, Fully Differential | Differential with wide input common mode, Fully Differential | Differential with wide input common mode, Fully Differential | Differential with wide input common mode, Fully Differential | Differential with wide input common mode, Fully Differential | Differential with wide input common mode, Fully Differential |
| Input Span | В±4.096V, 0V to 4.096V, В±2.048V, 0V to 2.048V В±5V, 0V to 5V, В±2.5V, 0V to 2.5V | В±4.096V, 0V to 4.096V, В±2.048V, 0V to 2.048V В±5V, 0V to 5V, В±2.5V, 0V to 2.5V | В±4.096V, 0V to 4.096V, В±2.048V, 0V to 2.048V В±5V, 0V to 5V, В±2.5V, 0V to 2.5V | В±4.096V, 0V to 4.096V, В±2.048V, 0V to 2.048V В±5V, 0V to 5V, В±2.5V, 0V to 2.5V | В±4.096V, 0V to 4.096V, В±2.048V, 0V to 2.048V В±5V, 0V to 5V, В±2.5V, 0V to 2.5V | В±4.096V, 0V to 4.096V, В±2.048V, 0V to 2.048V В±5V, 0V to 5V, В±2.5V, 0V to 2.5V |
| Internal Reference | yes | yes | yes | yes | yes | yes |
| Operating Temperature Range, °C | 0 to 70 | 0 to 70 | -40 to 125 | -40 to 125 | -40 to 85 | -40 to 85 |
| Power, mW | 81 | 81 | 81 | 81 | 81 | 81 |
| SFDR, dB | 114 | 114 | 114 | 114 | 114 | 114 |
| SINAD, dB | 91.8 | 91.8 | 91.8 | 91.8 | 91.8 | 91.8 |
| SNR, dB | 91.8 | 91.8 | 91.8 | 91.8 | 91.8 | 91.8 |
| Simultaneous | yes | yes | yes | yes | yes | yes |
| Speed, ksps | 200 | 200 | 200 | 200 | 200 | 200 |
| Supply Voltage Range | 5V | 5V | 5V | 5V | 5V | 5V |
| THD dB, dB | -113 | -113 | -113 | -113 | -113 | -113 |
Eco Plan
| LTC2345CUK-18#PBF | LTC2345CUK-18#TRPBF | LTC2345HUK-18#PBF | LTC2345HUK-18#TRPBF | LTC2345IUK-18#PBF | LTC2345IUK-18#TRPBF | |
|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Model Line
Series: LTC2345-18 (6)
Manufacturer's Classification
- Data Conversion > Analog-to-Digital Converters (ADC) > Precision ADCs (Fs < 10Msps) > Simultaneous Sampling ADCs | Multi Channel ADCs
- Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) ADCs
