LTC2156CUP-12 vs LTC2145CUP-12 Comparison
Detailed side-by-side comparison of LTC2156CUP-12 by Analog Devices and LTC2145CUP-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
LTC2156CUP-12 - Dual 12-Bit 210Msps ADC, 64-QFN | Analog Devices
LTC2156CUP-12 ✓ ActiveAnalog Devices
LTC2145CUP-12 - 12-Bit 125Msps Dual ADC, 1.8V, 64-QFN | Analog Devices
LTC2145CUP-12 ✓ ActiveSpecification Comparison
| Parameter | LTC2156CUP-12 | LTC2145CUP-12 |
|---|---|---|
| Brand | Analog Devices | Analog Devices |
| Category | ADC/DAC | ADC/DAC |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $90.14 | $26.40 |
| Resolution | 12 bits | 12 bits |
| Number of Channels | 2 (dual) | 2 (simultaneous sampling) |
| Sampling Rate | 210 Msps | — |
| Architecture | Pipelined | Pipelined with on-chip S/H |
| Input Type | Differential / Single-ended | — |
| Digital Output Interface | DDR LVDS | — |
| INL (typical) | ±0.26 LSB | ±0.3 LSB |
| DNL (typical) | ±0.16 LSB | ±0.1 LSB (no missing codes over temperature) |
| Transition Noise | 0.54 LSBRMS | 0.3 LSB RMS |
| 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] | — |
| SNR | [DATA_NEEDED: signal-to-noise ratio] | 70.6 dB |
| SFDR | [DATA_NEEDED: spurious-free dynamic range] | 89 dB |
| Operating Temperature | -40 C to +85 C (C grade) | — |
| Package | 64-lead QFN (UP), 9x9 mm with exposed pad | 64-QFN EP (9 mm x 9 mm, exposed pad) |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 3 | — |
| RoHS Status | Compliant (PBF suffix) | Compliant (#PBF suffix indicates lead-free RoHS) |
| 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) | — |
| Sample Rate | — | 125 Msps |
| 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 |
| 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) |