AD7710SQ
| Parameters | |
|---|---|
| Series | - |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | 24-CDIP (0.300", 7.62mm) |
| Mfr | Analog Devices Inc. |
| Mounting Type | Through Hole |
| Operating Temperature | -55°C ~ 125°C |
| Input Type | Differential |
| Configuration | MUX-PGA-ADC |
| Supplier Device Package | 24-CDIP |
| Number of Inputs | 2 |
| Number of Bits | 24 |
| Number of A/D Converters | 1 |
| Architecture | Sigma-Delta |
| Reference Type | External, Internal |
| Data Interface | SPI |
| Sampling Rate (Per Second) | 1k |
| Voltage - Supply, Analog | 5V ~ 10V |
| Voltage - Supply, Digital | 5V |
| Ratio - S/H:ADC | - |
| Features | PGA |
| Package | Tube |
| Product Status | Active |
| Base Product Number | AD7710 |
| REACH Status | REACH Unaffected |
| Other Names | -2735-AD7710SQ |
| Standard Package | 1 |
| ECCN | 3A001A2C |
| HTSUS | 8542.39.0001 |
AD7710SQ 24-bit ADC Analog to Digital Converter 2 Input 1 Sigma-Delta 24-CDIP
The AD7710SQ is a complete 24-bit analog front-end signal conditioning ADC manufactured by ADI, specifically engineered for low-frequency precision measurement applications. This charge-balancing sigma-delta converter delivers true 24-bit no-missing-codes performance with an exceptional nonlinearity of just ±0.0015%, making it one of the most accurate ADCs in its class for direct sensor interfacing. The ADC accepts low-level signals directly from strain gauges, thermocouples, or transducers without requiring external instrumentation amplifiers, and outputs a serial digital word via a bidirectional microcontroller-compatible interface. Housed in a 24-DIP package, the AD7710SQ operates across an industrial temperature range of -55°C to +125°C, ensuring reliable deployment in harsh environments. It features two differential analog input channels with a programmable gain front end supporting gains from 1 to 128, an on-chip low-pass filter with programmable cutoff frequencies, and an internal 2.5V reference voltage option. Typical power consumption is just 25mW in normal mode, dropping to a mere 7mW in power-down mode, which makes it ideal for battery-powered and remote sensing systems.
The AD7710SQ is the go-to solution for weigh scales, thermocouple temperature measurement, process control loops, smart transmitters, and chromatography systems where high resolution and low drift are critical. It interfaces seamlessly with 8051, 68HC11, ADSP-21xx DSPs, and modern ARM microcontrollers through its SPI-compatible serial port.
Alternative low power ADCs
● AD7708 (Analog Devices): A 16-bit, 8-channel ADC with the same pin-compatible footprint, offering a cost-effective upgrade path for applications needing more channels.
● AD7718 (Analog Devices): A 24-bit, 8-channel sigma-delta ADC with higher throughput, targeting applications that demand both resolution and channel density.
● ADS1220 (Texas Instruments) : A 24-bit, 4-channel delta-sigma ADC with integrated PGA and internal reference, suitable for portable weigh-scale and RTD applications.
● MCP3424 (Microchip): An 18-bit, 4-channel delta-sigma ADC with I2C interface, offering a low-power alternative for battery-operated multi-channel sensing.
