| Part Number | AD7705BRU-REEL | AD7709BRU-REEL | 
|---|---|---|
| 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 | 16 | 16 | 
| Sampling Rate (Per Second) | 500 | 105 | 
| Number of Inputs | 2 | 2, 4 | 
| Input Type | Differential | Differential, Pseudo-Differential | 
| Data Interface | SPI, DSP | SPI, DSP | 
| Configuration | MUX-PGA-ADC | MUX-PGA-ADC | 
| Ratio - S/H:ADC | - | - | 
| Number of A/D Converters | 1 | 1 | 
| Architecture | Sigma-Delta | Sigma-Delta | 
| Reference Type | External | External | 
| Voltage - Supply, Analog | 2.7V ~ 3.3V, 5V | 2.7V ~ 3.3V, 5V | 
| Voltage - Supply, Digital | 2.7V ~ 3.3V, 5V | 2.7V ~ 3.3V, 5V | 
| Features | PGA | PGA | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | 
| Package / Case | 16-TSSOP (0.173", 4.40mm Width) | 24-TSSOP (0.173", 4.40mm Width) | 
| Supplier Device Package | 16-TSSOP | 24-TSSOP | 
| Mounting Type | Surface Mount | Surface Mount |