Active production, 24-bit sigma-delta ADC for industrial front-ends
The AD7738BRUZ-REEL7: Sampling at 15.4 kSPS, the converter balances resolution against throughput: 24-bit noise-free codes at lower data rates, trading off to 16-bit effective resolution at the full rate, which suits multiplexed multi-channel systems where each channel gets a fresh conversion every 260 µs.
Supply rails and serial interface match standard MCU ecosystems
Data interface is SPI and DSP-compatible, meaning a standard 4-wire serial bus (SCLK, DIN, DOUT, CS) ties into any Cortex-M or industrial DSP without glue logic. External reference input (REFIN(+) / REFIN(-)) lets the system set the full-scale range independently of the supply rails — a ratiometric bridge measurement uses the same excitation voltage as the ADC reference to cancel drift.
Housed in a 28-lead TSSOP (4.4 mm body width), the AD7738BRUZ-REEL7 ships on tape and reel — the -REEL7 suffix flags the reel quantity, which keeps a single reel feeding a pick-and-place line without a reel splice.
Industrial temperature range and compliance documentation
ROHS3 compliant per — the part carries no restricted substances above the threshold, which clears it for EU-market equipment and most global RoHS enforcement without an exemption certificate.