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| Part Number | LTC2157IUP-14#PBF | LTC2155IUP-14#PBF | LTC2156IUP-14#PBF | LTC2157CUP-14#PBF | LTC2157IUP-12#PBF |
|---|---|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Linear Technology | Analog Devices Inc. | Analog Devices Inc. | Linear Technology |
| Product Status | Active | Active | Active | Active | Obsolete |
| Number of Bits | 14 | - | 14 | 14 | 12 |
| Sampling Rate (Per Second) | 250M | - | 210M | 250M | 250M |
| Number of Inputs | 2 | - | 2 | 2 | 2 |
| Input Type | Differential | - | Differential | Differential | Differential |
| Data Interface | LVDS - Parallel | - | LVDS - Parallel | LVDS - Parallel | SPI, Parallel |
| Configuration | S/H-ADC | - | S/H-ADC | S/H-ADC | S/H-ADC |
| Ratio - S/H:ADC | 1:1 | - | 1:1 | 1:1 | 2:2 |
| Number of A/D Converters | 2 | - | 2 | 2 | 2 |
| Architecture | Pipelined | - | Pipelined | Pipelined | Pipelined |
| Reference Type | 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 |
| Voltage - Supply, Digital | 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 |
| Operating Temperature | -40°C ~ 85°C | - | -40°C ~ 85°C | 0°C ~ 70°C | -40°C ~ 85°C |
| Package / Case | 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) |
| Mounting Type | Surface Mount | - | Surface Mount | Surface Mount | Surface Mount |
