• Device Type: Successive Approximation Register (SAR) ADC
• Package: 8-Pin PDIP (CEPA)

General Features

• 12-bit resolution
• Fast conversion time: 5.6 µs
• Serial data output
• Built-in precision voltage reference
• Self-start conversion mode
• Low power consumption
• Three-wire serial interface

ADC Characteristics

• Resolution: 12 Bits
• Architecture: SAR (Successive Approximation Register)
• Input Channels: 1
• Input Type: Single-Ended
• Sampling Rate: Up to 125 kS/s
• Data Output: Serial (MSB first)
• Reference: Internal buried-zener reference

Electrical Characteristics

• Analog Supply Voltage:
  • +5 V
  • -12 V to -15 V
• Digital Supply Voltage:
  • +5 V
  • -12 V to -15 V
• Power Dissipation:
  • Typical: 135 mW
  • Maximum: 205 mW
• Input Voltage Range:
  • 0 V to +5 V

Performance

• Conversion Time: 5.6 µs
• Maximum Throughput: 125,000 samples/sec
• Integral Nonlinearity (INL):
  • ±1 LSB typical
• Differential Nonlinearity (DNL):
  • ±1 LSB typical
• High accuracy and low drift performance over temperature

Interface

• Three-wire serial output
• Compatible with:
  • Microprocessors
  • DSPs
  • Serial-to-parallel interfaces
• Can interface with:
  • 74HC595
  • TMS320 series DSPs
  • NEC μPD7720
  • DSP56000 processors

Package Information

• Package Type: PDIP-8
• Pin Count: 8
• Mounting Style: Through-Hole

Operating Temperature

• MAX170CEPA:
  • 0°C to +70°C (Commercial)
• Similar industrial variants:
  • -40°C to +85°C

Typical Applications

• Industrial data acquisition
• Telecommunications
• DSP systems
• Sonar and radar signal processing
• Sensor interfaces
• Medical instrumentation
• Test and measurement equipment
• Embedded control systems

Key Features

• 12-bit resolution
• 5.6 µs conversion time
• 125 kS/s sampling rate
• Internal precision reference
• Serial output interface
• Single-ended analog input
• Low power CMOS design
• 8-pin DIP package