| Part Number | AD7711AN | AD7721AN | 
|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | 
| Category | Data Acquisition - Analog to Digital Converters (ADC) | Data Acquisition - Analog to Digital Converters (ADC) | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Number of Bits | 24 | 12, 16 | 
| Sampling Rate (Per Second) | 1K | 312.5k, 468.75k | 
| Number of Inputs | 2 | 1 | 
| Input Type | Differential | Differential | 
| Data Interface | SPI | SPI, Parallel | 
| Configuration | MUX-PGA-ADC | ADC | 
| Ratio - S/H:ADC | - | - | 
| Number of A/D Converters | 1 | 1 | 
| Architecture | Sigma-Delta | Sigma-Delta | 
| Reference Type | External, Internal | External | 
| Voltage - Supply, Analog | 5V ~ 10V | 5V | 
| Voltage - Supply, Digital | 5V | 5V | 
| Features | PGA | - | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | 
| Package / Case | 24-DIP (0.300", 7.62mm) | 28-DIP (0.600", 15.24mm) | 
| Supplier Device Package | 24-PDIP | 28-PDIP | 
| Mounting Type | Through Hole | Through Hole |