AD7691BCPZRL vs AK9240NK Comparison
Detailed side-by-side comparison of AD7691BCPZRL by Analog Devices and AK9240NK by AKM (Asahi Kasei Microdevices). Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | AD7691BCPZRL | AK9240NK |
|---|---|---|
| Brand | Analog Devices | AKM (Asahi Kasei Microdevices) |
| Category | ADC/DAC | ADC/DAC |
| Lifecycle Status | Active | Obsolete |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $10.40 | $5.44 |
| Number of Bits | 18 | — |
| Sampling Rate | 250 kSPS | 1 MSPS per channel |
| Number of Inputs | 1 | — |
| Architecture | SAR (PulSAR, charge-redistribution) | SAR (Successive Approximation Register) |
| Input Type | Differential (pseudo-bipolar capable with REF) | Differential (current or voltage, selectable) |
| Data Interface | SPI, QSPI, MICROWIRE, DSP-compatible serial | SPI |
| INL (max) | ±1.5 LSB (±6 ppm of FSR) | — |
| INL (typical) | ±0.75 LSB | — |
| Dynamic Range | 102 dB (typical @ 250 kSPS) | — |
| Reference | External (REF pin, up to VDD) | — |
| Supply Voltage (VDD) | 2.3 V to 5 V | — |
| Power Dissipation (typ. @ 5V, 250 kSPS) | 6 mW | — |
| Operating Temperature | -40C to +85C | — |
| Package | 10-LFCSP-WD (3x3 mm) with exposed pad | 20-QFN (3x3 mm) with exposed pad |
| Daisy-Chain Support | Yes (SDI input for multi-ADC 3-wire bus) | — |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 3 (168 hours) | — |
| RoHS Status | Compliant | [DATA_NEEDED: RoHS compliance status] |
| Resolution | — | 12 bits |
| Number of Channels | — | 2 (simultaneous sampling) |
| PGA | — | Integrated programmable gain amplifier |
| Input Configuration | — | PGA-ADC, 2 channels |
| Sample-and-Hold Ratio | — | 0:2 (no shared S/H; one per channel) |
| Reference Type | — | [DATA_NEEDED: internal/external reference] |
| Analog Supply Voltage (AVDD) | — | 2.7 V to 5.5 V |
| Digital Supply Voltage (DVDD) | — | 2.7 V to 5.5 V |
| LED Driver | — | Integrated |
| Auto Power Control (APC) | — | Integrated |
| On-Chip Filter | — | Band-limiting low-pass filter |
| Operating Temperature Range | — | [DATA_NEEDED: operating temperature range] |
| Product Status | — | Obsolete |