LTC2145CUP-12 vs LTC2156CUP-12 Comparison
Detailed side-by-side comparison of LTC2145CUP-12 by Analog Devices and LTC2156CUP-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
LTC2156CUP-12 - Dual 12-Bit 210Msps ADC, 64-QFN | Analog Devices
LTC2156CUP-12 ✓ ActiveSpecification Comparison
| Parameter | LTC2145CUP-12 | LTC2156CUP-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 | $90.14 |
| Resolution | 12 bits | 12 bits |
| 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 | ±0.26 LSB |
| DNL (typical) | ±0.1 LSB (no missing codes over temperature) | ±0.16 LSB |
| Transition Noise | 0.3 LSB RMS | 0.54 LSBRMS |
| SNR | 70.6 dB | [DATA_NEEDED: signal-to-noise ratio] |
| SFDR | 89 dB | [DATA_NEEDED: spurious-free dynamic range] |
| 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) | — |
| Package | 64-QFN EP (9 mm x 9 mm, exposed pad) | 64-lead QFN (UP), 9x9 mm with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant (#PBF suffix indicates lead-free RoHS) | Compliant (PBF suffix) |
| Sampling Rate | — | 210 Msps |
| Input Type | — | Differential / Single-ended |
| Digital Output Interface | — | DDR LVDS |
| Latency | — | 5 clock cycles |
| Missing Codes | — | None over temperature |
| Clock Input | — | Differential (sine, PECL, LVDS, TTL, CMOS) |
| Supply Voltage (analog) | — | [DATA_NEEDED: analog supply voltage] |
| Supply Voltage (digital) | — | [DATA_NEEDED: digital supply voltage] |
| Power Dissipation | — | [DATA_NEEDED: power dissipation per channel] |
| Operating Temperature | — | -40 C to +85 C (C grade) |
| MSL Level | — | 3 |
| Family Pin-Compatibility | — | LTC2157-12 (250 Msps), LTC2155-12 (170 Msps) |
| 1ku List Price (start) | — | $90.14 (per ADI product page, as of 2026-10-13) |