LTC2249IUH vs LTC2256CUJ-14 Comparison
Detailed side-by-side comparison of LTC2249IUH by Analog Devices and LTC2256CUJ-14 by Analog Devices. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | LTC2249IUH | LTC2256CUJ-14 |
|---|---|---|
| Brand | Analog Devices | Analog Devices |
| Category | ADC/DAC | ADC/DAC |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $20.85 | $6.90 |
| Resolution | 14 bits | 14 bit |
| Sample Rate | 80 Msps | 25 Msps |
| Number of Input Channels | 1 | — |
| Architecture | Pipelined | Pipelined |
| Supply Voltage (VDD) | 2.85 V to 3.4 V (3 V typical) | — |
| Power Dissipation | 222 mW at 80 Msps | 35 mW at 25 Msps |
| SNR | 73 dB at 70 MHz input | 73 dB |
| SFDR | 90 dB at 70 MHz input | — |
| INL (typical) | ±1 LSB | — |
| DNL (typical) | ±0.5 LSB | — |
| Full-Power Analog Input Bandwidth | 575 MHz | — |
| Differential Input Range | 1 V to 2 V peak-to-peak | — |
| Data Interface | Parallel CMOS/TTL | — |
| Package | 32-Pin QFN (5x5) with Exposed Pad (UH) | 40-QFN (6 mm x 6 mm) |
| Operating Temperature Range | -40 °C to +85 °C (industrial) | — |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant (Pb-free PBF suffix) | Compliant (PBF suffix) |
| Data Output Format | Offset Binary / Two's Complement (selectable) | — |
| Number of Inputs | — | 1 |
| Supply Voltage | — | 1.8 V (single) |
| INL | — | ±1 LSB (typical) |
| DNL | — | ±0.3 LSB (typical) |
| Transition Noise | — | 1.13 LSB RMS |
| Input Bandwidth (Full Power) | — | 800 MHz |
| Input Range | — | 1 Vp-p to 2 Vp-p (selectable, differential) |
| Digital Output Modes | — | Full-rate CMOS, DDR CMOS, DDR LVDS (selectable) |
| Output Supply Range (CMOS) | — | 1.2 V to 1.8 V |
| Pin/Package Code | — | UJ (QFN-40, 6x6 mm) |
| Configuration Interface | — | Serial SPI port |
| Power-Saving Modes | — | Nap mode, full shutdown |
| Optional Features | — | Clock duty-cycle stabilizer, data output randomizer |
| Operating Temperature | — | 0C to +70C (commercial C-grade) |