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| Part Number | LTC2145CUP-12#PBF | LTC2155CUP-12#PBF | LTC2145CUP-14#PBF | LTC2145IUP-12#PBF | LTC2140CUP-12#PBF | LTC2141CUP-12#PBF | LTC2142CUP-12#PBF | LTC2143CUP-12#PBF | LTC2144CUP-12#PBF |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Linear Technology |
| Product Status | Active | Active | Active | Active | Active | Active | Active | Active | Obsolete |
| Number of Bits | 12 | 12 | 14 | 12 | 12 | 12 | 12 | 12 | 12 |
| Sampling Rate (Per Second) | 125M | 170M | 125M | 125M | 25M | 40M | 65M | 80M | 105M |
| Number of Inputs | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2, 4 |
| Input Type | Differential | Differential | Differential | Differential | Differential | Differential | Differential | Differential | Differential, Single Ended |
| Data Interface | LVDS - Parallel, Parallel | LVDS - Parallel | LVDS - Parallel, Parallel | LVDS - Parallel, Parallel | LVDS - Parallel, Parallel | LVDS - Parallel, Parallel | LVDS - Parallel, Parallel | LVDS - Parallel, Parallel | SPI, Parallel |
| Configuration | S/H-ADC | S/H-ADC | S/H-ADC | S/H-ADC | S/H-ADC | S/H-ADC | S/H-ADC | S/H-ADC | S/H-ADC |
| Ratio - S/H:ADC | 1:1 | 1:1 | 1:1 | 1:1 | 1:1 | 1:1 | 1:1 | 1:1 | 1:1 |
| Number of A/D Converters | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Architecture | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined |
| Reference Type | External, Internal | External, Internal | External, Internal | External, Internal | External, Internal | External, Internal | External, Internal | External, Internal | External, Internal |
| Voltage - Supply, Analog | 1.7V ~ 1.9V | 1.7V ~ 1.9V | 1.7V ~ 1.9V | 1.7V ~ 1.9V | 1.7V ~ 1.9V | 1.7V ~ 1.9V | 1.7V ~ 1.9V | 1.7V ~ 1.9V | 1.7V ~ 1.9V |
| Voltage - Supply, Digital | 1.7V ~ 1.9V | 1.7V ~ 1.9V | 1.7V ~ 1.9V | 1.7V ~ 1.9V | 1.7V ~ 1.9V | 1.7V ~ 1.9V | 1.7V ~ 1.9V | 1.7V ~ 1.9V | 1.7V ~ 1.9V |
| Features | Simultaneous Sampling | Simultaneous Sampling | Simultaneous Sampling | Simultaneous Sampling | Simultaneous Sampling | Simultaneous Sampling | Simultaneous Sampling | Simultaneous Sampling | Simultaneous Sampling |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | -40°C ~ 85°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Package / Case | 64-WFQFN Exposed Pad | 64-WFQFN Exposed Pad | 64-WFQFN Exposed Pad | 64-WFQFN Exposed Pad | 64-WFQFN Exposed Pad | 64-WFQFN Exposed Pad | 64-WFQFN Exposed Pad | 64-WFQFN Exposed Pad | 64-WFQFN Exposed Pad |
| Supplier Device Package | 64-QFN (9x9) | 64-QFN (9x9) | 64-QFN (9x9) | 64-QFN (9x9) | 64-QFN (9x9) | 64-QFN (9x9) | 64-QFN (9x9) | 64-QFN (9x9) | 64-QFN (9x9) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
