LTC2145CUP-12 vs LTC2157CUP-12 Comparison
Detailed side-by-side comparison of LTC2145CUP-12 by Analog Devices and LTC2157CUP-12 by Analog Devices. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Analog Devices
LTC2145CUP-12 - 12-Bit 125Msps Dual ADC, 1.8V, 64-QFN | Analog Devices
LTC2145CUP-12 ✓ ActiveAnalog Devices
LTC2157CUP-12 - Dual 12-bit 250Msps ADC, 64-QFN | Analog Devices
LTC2157CUP-12 ✓ ActiveSpecification Comparison
| Parameter | LTC2145CUP-12 | LTC2157CUP-12 |
|---|---|---|
| Brand | Analog Devices | Analog Devices |
| Category | ADC/DAC | ADC/DAC |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $26.40 | $71.30 |
| Resolution | 12 bits | 12 bit |
| Sample Rate | 125 Msps | — |
| Number of Channels | 2 (simultaneous sampling) | 2 (dual) |
| Architecture | Pipelined with on-chip S/H | Pipelined |
| Analog Supply Voltage | 1.8 V (single supply) | — |
| Digital I/O Supply | 1.2 V to 1.8 V (separate supply) | — |
| Analog Input Type | Differential | — |
| INL (typical) | ±0.3 LSB | — |
| DNL (typical) | ±0.1 LSB (no missing codes over temperature) | — |
| Transition Noise | 0.3 LSB RMS | — |
| SNR | 70.6 dB | 68.5 dB |
| SFDR | 89 dB | 90 dB |
| Aperture Jitter | 0.08 ps RMS | — |
| Output Modes | Full-rate CMOS, DDR CMOS, DDR LVDS (selectable) | — |
| Operating Temperature Range | 0 °C to +70 °C (C grade) | 0C to +70C (commercial, C suffix) |
| Package | 64-QFN EP (9 mm x 9 mm, exposed pad) | 64-lead QFN (9mm x 9mm) |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant (#PBF suffix indicates lead-free RoHS) | Compliant (PBF suffix) |
| Sampling Rate | — | 250 MSPS per channel |
| Power Dissipation (Total) | — | 628 mW |
| Supply Voltage | — | 1.8 V (single) |
| Full-Power Input Bandwidth | — | 1.25 GHz |
| Differential Input Range | — | 1.5 Vp-p |
| Digital Output | — | DDR LVDS |
| Configuration Interface | — | Serial SPI |