AD7946BCPZ vs AD7949BCPZRL7 Comparison
Detailed side-by-side comparison of AD7946BCPZ by Analog Devices and AD7949BCPZRL7 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 | AD7946BCPZ | AD7949BCPZRL7 |
|---|---|---|
| Brand | Analog Devices | Analog Devices |
| Category | ADC/DAC | ADC/DAC |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $9.50 | $6.20 |
| Resolution | 14-bit | 14 bit |
| Sample Rate (Warp mode) | 500 kSPS | — |
| Sample Rate (Normal mode) | 450 kSPS | — |
| Sample Rate (Impulse mode) | 380 kSPS | — |
| INL | 0.4 LSB typ, 1 LSB max | — |
| DNL | 0.25 LSB typ, 0.7 LSB max | — |
| Input Voltage Range | -0.5 V to 5.8 V | — |
| Supply Voltage | 5 V | — |
| Operating Temperature | -40°C to +85°C | -40C to +125C |
| Package | 10-lead LFCSP (3 mm x 3 mm) | 20-LFCSP (4x4 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Number of Pins | 10 | — |
| Architecture | SAR (charge redistribution) | SAR (Successive Approximation Register) |
| Input Type | Pseudo-differential | Single-Ended, Pseudobipolar, Differential (GND sense) |
| Interface | SPI-compatible | — |
| Number of Channels | — | 8 (single-ended) / 4 (differential pairs) |
| Sample Rate | — | 250 kSPS |
| Supply Voltage (VDD) | — | 2.3 V to 5.5 V |
| Reference Voltage | — | 2.3 V to 5.5 V (external) |
| INL (Integral Nonlinearity) | — | +/-1 LSB (typical) |
| No Missing Codes | — | Yes (14-bit guaranteed) |
| Digital Interface | — | SPI / QSPI / MICROWIRE / DSP-compatible, up to 50 MHz |
| Daisy-Chain Mode | — | Yes |
| Power Dissipation (250 kSPS, 5 V) | — | 4.5 mW (typical) |
| Power-Down Current | — | 1 uA (typical) |
| Acquisition Time | — | 290 ns (typical) |
| MSL Level | — | [DATA_NEEDED: MSL rating] |
| RoHS Status | — | Compliant |