Overview
The MAX1202ACPP is a 12-bit, 8-channel analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This component is part of the MAX1202/MAX1203 family, designed for applications requiring mixed +5V (analog) and +3V (digital) supply voltages. It combines an 8-channel multiplexer, high-bandwidth track/hold circuitry, and a serial interface, making it suitable for high-speed data acquisition and low-power consumption environments.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Number of A/D Converters | 1 | |
| Architecture | SAR (Successive Approximation Register) | |
| Reference Type | Internal (MAX1202), External (MAX1203) | |
| Voltage - Supply, Analog | ±5V, 5V | V |
| Voltage - Supply, Digital | 2.7V to 5.25V | V |
| Conversion Rate | Up to 133ksps | samples per second |
| Conversion Time | 5.5µs (internal clock), 6µs (external clock, 2MHz) | µs |
| Track/Hold Acquisition Time | 1.5µs | µs |
| Aperture Delay | 10ns | ns |
| Aperture Jitter | < 50ps | ps |
| Power Dissipation | 889mW | mW |
| Operating Temperature Range | 0°C to +70°C | °C |
Key Features
- 12-bit resolution with high conversion speed and low power consumption
- 8-channel multiplexer and high-bandwidth track/hold circuitry
- SPI/MICROWIRE/TMS320-compatible 4-wire serial interface
- Internal 4.096V reference (MAX1202) or external reference (MAX1203)
- Software-configurable unipolar/bipolar inputs
- Low noise and distortion
- TTL/CMOS compatible logic inputs and outputs
- Low power consumption: 1.5mA (Operating Mode), 2µA (Power-Down Mode)
Applications
- Digital signal processing
- Audio and telecom processing
- Speech recognition and synthesis
- High-speed data acquisition
- Spectrum analysis
- Data logging systems
Q & A
- What is the resolution of the MAX1202ACPP ADC?
The MAX1202ACPP has a 12-bit resolution.
- What is the maximum conversion rate of the MAX1202ACPP?
The MAX1202ACPP can convert up to 133ksps.
- What types of supply voltages does the MAX1202ACPP support?
The MAX1202ACPP operates with a single +5V analog supply or dual ±5V analog supplies, and digital supply voltages from 2.7V to 5.25V.
- Does the MAX1202ACPP have an internal reference voltage?
Yes, the MAX1202 has an internal 4.096V reference voltage.
- What is the track/hold acquisition time of the MAX1202ACPP?
The track/hold acquisition time is 1.5µs.
- Is the MAX1202ACPP compatible with SPI and MICROWIRE interfaces?
Yes, it is compatible with SPI/MICROWIRE/TMS320 interfaces.
- What is the power dissipation of the MAX1202ACPP in operating mode?
The power dissipation is approximately 889mW.
- What is the operating temperature range of the MAX1202ACPP?
The operating temperature range is from 0°C to +70°C.
- Can the MAX1202ACPP be used in high-speed data acquisition applications?
Yes, it is suitable for high-speed data acquisition due to its fast conversion rates and low power consumption.
- Are the logic inputs and outputs of the MAX1202ACPP TTL/CMOS compatible?
Yes, they are TTL/CMOS compatible.
