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| Part Number | MAX155AEWI+ | MAX155BEWI+ | MAX155AEWI+T | MAX158AEWI+ | MAX156AEWI+ | MAX155ACWI+ | MAX155AEPI+ | MAX155AEWI |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Product Status | Active | Active | Active | Active | Obsolete | Active | Obsolete | Obsolete |
| Number of Bits | 8 | 8 | 8 | 8 | 8 | 8 | - | 8 |
| Sampling Rate (Per Second) | 250k | 250k | 250k | 400k | 250k | 250k | - | 250k |
| Number of Inputs | 4, 8 | 4, 8 | 4, 8 | 8 | 2, 4 | 4, 8 | - | 4, 8 |
| Input Type | Differential, Single Ended | Differential, Single Ended | Differential, Single Ended | Single Ended | Differential, Single Ended | Differential, Single Ended | - | Differential, Single Ended |
| Data Interface | Parallel | Parallel | Parallel | Parallel | Parallel | Parallel | - | Parallel |
| Configuration | S/H-MUX-ADC | S/H-MUX-ADC | S/H-MUX-ADC | MUX-S/H-ADC | S/H-MUX-ADC | S/H-MUX-ADC | - | S/H-MUX-ADC |
| Ratio - S/H:ADC | 8:1 | 8:1 | 8:1 | 1:1 | 4:1 | 8:1 | - | 8:1 |
| Number of A/D Converters | 1 | 1 | 1 | 1 | 1 | 1 | - | 1 |
| Architecture | SAR | SAR | SAR | Flash | SAR | SAR | - | SAR |
| Reference Type | External, Internal | External, Internal | External, Internal | Internal | External, Internal | External, Internal | - | External, Internal |
| Voltage - Supply, Analog | ±5V, 5V | ±5V, 5V | ±5V, 5V | 4.75V ~ 5.25V | ±5V, 5V | ±5V, 5V | - | ±5V, 5V |
| Voltage - Supply, Digital | ±5V, 5V | ±5V, 5V | ±5V, 5V | 4.75V ~ 5.25V | ±5V, 5V | ±5V, 5V | - | ±5V, 5V |
| Features | Selectable Address, Simultaneous Sampling | Selectable Address, Simultaneous Sampling | Selectable Address, Simultaneous Sampling | - | Selectable Address, Simultaneous Sampling | Selectable Address, Simultaneous Sampling | - | Selectable Address, Simultaneous Sampling |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | 0°C ~ 70°C | - | -40°C ~ 85°C |
| Package / Case | 28-SOIC (0.295", 7.50mm Width) | 28-SOIC (0.295", 7.50mm Width) | 28-SOIC (0.295", 7.50mm Width) | 28-DIP (0.600", 15.24mm) | 28-SOIC (0.295", 7.50mm Width) | 28-SOIC (0.295", 7.50mm Width) | - | 28-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 28-SOIC | 28-SOIC | 28-SOIC | 28-PDIP | 28-SOIC | 28-SOIC | - | 28-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Through Hole | Surface Mount | Surface Mount | - | Surface Mount |
