AK9240NK vs AD7691BCPZRL Comparison

Detailed side-by-side comparison of AK9240NK by AKM (Asahi Kasei Microdevices) and AD7691BCPZRL by Analog Devices. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.

AKM (Asahi Kasei Microdevices)
AK9240NK AK9240NK - 12-Bit 1MSPS Dual SAR ADC AFE | AKM

AK9240NK - 12-Bit 1MSPS Dual SAR ADC AFE | AKM

AK9240NK Obsolete
Analog Devices
AD7691BCPZRL AD7691BCPZRL - 18-Bit, 250kSPS PulSAR ADC | Analog Devices

AD7691BCPZRL - 18-Bit, 250kSPS PulSAR ADC | Analog Devices

AD7691BCPZRL ✓ Active

Specification Comparison

Parameter AK9240NK AD7691BCPZRL
Brand AKM (Asahi Kasei Microdevices) Analog Devices
Category ADC/DAC ADC/DAC
Lifecycle Status Obsolete Active
Stock Status In Stock In Stock
Unit Price (USD) $5.44 $10.40
Resolution 12 bits —
Number of Channels 2 (simultaneous sampling) —
Sampling Rate 1 MSPS per channel 250 kSPS
Architecture SAR (Successive Approximation Register) SAR (PulSAR, charge-redistribution)
Input Type Differential (current or voltage, selectable) Differential (pseudo-bipolar capable with REF)
PGA Integrated programmable gain amplifier —
Input Configuration PGA-ADC, 2 channels —
Sample-and-Hold Ratio 0:2 (no shared S/H; one per channel) —
Data Interface SPI SPI, QSPI, MICROWIRE, DSP-compatible serial
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 —
Package 20-QFN (3x3 mm) with exposed pad 10-LFCSP-WD (3x3 mm) with exposed pad
Mounting Type Surface Mount Surface Mount
Operating Temperature Range [DATA_NEEDED: operating temperature range] —
RoHS Status [DATA_NEEDED: RoHS compliance status] Compliant
Product Status Obsolete —
Number of Bits — 18
Number of Inputs — 1
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
Daisy-Chain Support — Yes (SDI input for multi-ADC 3-wire bus)
MSL Level — 3 (168 hours)

Datasheets & Resources

Browse All Products Create BOM Request Quote