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| Part Number | AD7651ASTZ | AD7655ASTZ | AD7654ASTZ | AD7661ASTZ | AD7652ASTZ | AD7653ASTZ | AD7621ASTZ | AD7650ASTZ | AD7651AST |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Status | Active | Active | Active | Active | Active | Active | Active | Active | Obsolete |
| Number of Bits | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| Sampling Rate (Per Second) | 100k | 1M | 500k | 100k | 500k | 1M | 3M | 570k | 100k |
| Number of Inputs | 1 | 2, 4 | 2, 4 | 1 | 1 | 1 | 1 | 1 | - |
| Input Type | Pseudo-Differential | Pseudo-Differential, Single Ended | Pseudo-Differential, Single Ended | Pseudo-Differential | Pseudo-Differential | Pseudo-Differential | Differential | Pseudo-Differential | - |
| Data Interface | SPI, Parallel, DSP | SPI, Parallel, DSP | SPI, Parallel, DSP | SPI, Parallel, DSP | SPI, Parallel, DSP | SPI, Parallel, DSP | SPI, Parallel, DSP | SPI, Parallel, DSP | - |
| Configuration | S/H-ADC | MUX-S/H-MUX-ADC | MUX-S/H-MUX-ADC | S/H-ADC | S/H-ADC | S/H-ADC | S/H-ADC | S/H-ADC | - |
| Ratio - S/H:ADC | 1:1 | 2:1 | 2:1 | 1:1 | 1:1 | 1:1 | 1:1 | 1:1 | - |
| Number of A/D Converters | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Architecture | SAR | SAR | SAR | SAR | SAR | SAR | SAR | SAR | - |
| Reference Type | External, Internal | External | External | External, Internal | External, Internal | External, Internal | External, Internal | External | - |
| Voltage - Supply, Analog | 5V | 5V | 5V | 5V | 5V | 5V | 2.37V ~ 2.63V | 5V | - |
| Voltage - Supply, Digital | 5V | 5V | 5V | 5V | 5V | 5V | 2.37V ~ 2.63V | 5V | - |
| Features | - | Simultaneous Sampling | Simultaneous Sampling | - | - | - | - | - | - |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Package / Case | 48-LQFP | 48-LQFP | 48-LQFP | 48-LQFP | 48-LQFP | 48-LQFP | 48-LQFP | 48-LQFP | 48-LQFP |
| Supplier Device Package | 48-LQFP (7x7) | 48-LQFP (7x7) | 48-LQFP (7x7) | 48-LQFP (7x7) | 48-LQFP (7x7) | 48-LQFP (7x7) | 48-LQFP (7x7) | 48-LQFP (7x7) | 48-LQFP (7x7) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
