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| Part Number | MAX155BEPI+ | MAX155BEWI+ | MAX158BEPI+ | MAX155AEPI+ | MAX155BCPI+ | 
|---|---|---|---|---|---|
| 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 | 
| Product Status | Obsolete | Active | Obsolete | Obsolete | Obsolete | 
| Number of Bits | 8 | 8 | - | - | 8 | 
| Sampling Rate (Per Second) | 250k | 250k | - | - | 250k | 
| Number of Inputs | 4, 8 | 4, 8 | - | - | 4, 8 | 
| Input Type | Differential, Single Ended | Differential, Single Ended | - | - | Differential, Single Ended | 
| Data Interface | Parallel | Parallel | - | - | Parallel | 
| Configuration | S/H-MUX-ADC | S/H-MUX-ADC | - | - | S/H-MUX-ADC | 
| Ratio - S/H:ADC | 8:1 | 8:1 | - | - | 8:1 | 
| Number of A/D Converters | 1 | 1 | - | - | 1 | 
| Architecture | SAR | SAR | - | - | SAR | 
| Reference Type | External, Internal | External, Internal | - | - | External, Internal | 
| Voltage - Supply, Analog | ±5V, 5V | ±5V, 5V | - | - | ±5V, 5V | 
| Voltage - Supply, Digital | ±5V, 5V | ±5V, 5V | - | - | ±5V, 5V | 
| Features | Selectable Address, Simultaneous Sampling | Selectable Address, Simultaneous Sampling | - | - | Selectable Address, Simultaneous Sampling | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | - | - | 0°C ~ 70°C | 
| Package / Case | 28-DIP (0.600", 15.24mm) | 28-SOIC (0.295", 7.50mm Width) | - | - | 28-DIP (0.600", 15.24mm) | 
| Supplier Device Package | 28-PDIP | 28-SOIC | - | - | 28-PDIP | 
| Mounting Type | Through Hole | Surface Mount | - | - | Through Hole |