LTC2257CUJ-12 vs LTC2256CUJ-14 Comparison
Detailed side-by-side comparison of LTC2257CUJ-12 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.
Analog Devices
LTC2257CUJ-12 - 12-Bit 40Msps Ultralow Power 1.8V ADC | Analog Devices
LTC2257CUJ-12 ✓ ActiveSpecification Comparison
| Parameter | LTC2257CUJ-12 | 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) | $16.80 | $6.90 |
| Resolution | 12 bits | 14 bit |
| Sample Rate | 40 Msps | 25 Msps |
| Architecture | Pipelined, 1 channel | Pipelined |
| Supply Voltage (Analog) | 1.8 V (single) | — |
| Supply Voltage (Digital Output) | 1.2 V to 1.8 V (separate rail) | — |
| Power Dissipation | 79 mW at 40 Msps | 35 mW at 25 Msps |
| Input Range | 1 V P-P to 2 V P-P (selectable) | 1 Vp-p to 2 Vp-p (selectable, differential) |
| Input Bandwidth | 800 MHz full-power | — |
| INL (Typical) | +/-0.3 LSB | — |
| DNL (Typical) | +/-0.1 LSB | — |
| Transition Noise | 0.3 LSB RMS | 1.13 LSB RMS |
| Missing Codes | None over temperature | — |
| Output Formats | CMOS, DDR CMOS, DDR LVDS (selectable) | — |
| Operating Temperature | -40C to +85C | 0C to +70C (commercial C-grade) |
| Package | 40-QFN (6 mm x 6 mm) | 40-QFN (6 mm x 6 mm) |
| Configuration Interface | SPI serial port | Serial SPI port |
| Special Features | Clock duty-cycle stabilizer, output randomizer, shutdown and nap modes | — |
| Number of Inputs | — | 1 |
| Supply Voltage | — | 1.8 V (single) |
| INL | — | ±1 LSB (typical) |
| DNL | — | ±0.3 LSB (typical) |
| SNR | — | 73 dB |
| Input Bandwidth (Full Power) | — | 800 MHz |
| 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) |
| Power-Saving Modes | — | Nap mode, full shutdown |
| Optional Features | — | Clock duty-cycle stabilizer, data output randomizer |
| Mounting Type | — | Surface Mount |
| RoHS Status | — | Compliant (PBF suffix) |