AD7949BCPZRL7 vs AD7946BCPZ Comparison
Detailed side-by-side comparison of AD7949BCPZRL7 by Analog Devices and AD7946BCPZ 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 | AD7949BCPZRL7 | AD7946BCPZ |
|---|---|---|
| Brand | Analog Devices | Analog Devices |
| Category | ADC/DAC | ADC/DAC |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $6.20 | $9.50 |
| Resolution | 14 bit | 14-bit |
| Number of Channels | 8 (single-ended) / 4 (differential pairs) | — |
| Architecture | SAR (Successive Approximation Register) | SAR (charge redistribution) |
| Sample Rate | 250 kSPS | — |
| Input Type | Single-Ended, Pseudobipolar, Differential (GND sense) | Pseudo-differential |
| 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) | — |
| Operating Temperature | -40C to +125C | -40°C to +85°C |
| Package | 20-LFCSP (4x4 mm) with exposed pad | 10-lead LFCSP (3 mm x 3 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | [DATA_NEEDED: MSL rating] | — |
| RoHS Status | Compliant | — |
| 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 |
| Number of Pins | — | 10 |
| Interface | — | SPI-compatible |