Overview
The MAX1202AEPP+ is a 12-bit, 8-channel analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This component is designed for applications requiring high-speed data acquisition with mixed +5V (analog) and +3V (digital) supply voltages. It combines an 8-channel multiplexer, high-bandwidth track/hold, and a serial interface, making it suitable for a variety of industrial and automotive applications.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12-bit | |
| Number of Channels | 8 | |
| Analog Supply Voltage | +5V or ±5V | V |
| Digital Supply Voltage (VL) | 2.7V to 3.6V | V |
| Conversion Time | 5.5µs (internal clock), 6µs (external clock, 2MHz) | µs |
| Sampling Rate | 133ksps | samples per second |
| Track/Hold Acquisition Time | 1.5µs | µs |
| Aperture Delay | 10ns | ns |
| Aperture Jitter | < 50ps | ps |
| Serial Interface Clock Frequency | Up to 2MHz | MHz |
| Reference Voltage (MAX1202) | Internal 4.096V | V |
| Package Type | 20-Pin PDIP |
Key Features
- High-speed successive approximation analog-to-digital conversion
- SPI/MICROWIRE/TMS320-compatible 4-wire serial interface
- Software-configurable unipolar/bipolar inputs
- Internal track/hold with 133kHz sampling rate
- Internal 4.096V reference voltage (MAX1202)
- Low power consumption: 1.5mA (operating mode), 2µA (power-down mode)
- Reference-buffer amplifier for simplified gain trim
Applications
The MAX1202AEPP+ is suitable for various applications requiring high-speed data acquisition, such as industrial control systems, automotive systems, medical devices, and data logging equipment. Its ability to operate with mixed supply voltages and its high conversion speed make it an ideal choice for systems that require precise and rapid analog-to-digital conversion.
Q & A
- What is the resolution of the MAX1202AEPP+ ADC?
The MAX1202AEPP+ has a 12-bit resolution. - How many analog input channels does the MAX1202AEPP+ have?
The MAX1202AEPP+ has 8 analog input channels. - What are the possible supply voltages for the MAX1202AEPP+?
The MAX1202AEPP+ can operate with a single +5V analog supply or dual ±5V analog supplies. - What is the conversion time of the MAX1202AEPP+?
The conversion time is 5.5µs with the internal clock and 6µs with an external 2MHz clock. - What is the sampling rate of the MAX1202AEPP+?
The sampling rate is 133ksps. - Does the MAX1202AEPP+ have an internal reference voltage?
Yes, the MAX1202AEPP+ has an internal 4.096V reference voltage. - What type of serial interface does the MAX1202AEPP+ support?
The MAX1202AEPP+ supports an SPI/MICROWIRE/TMS320-compatible 4-wire serial interface. - What is the power consumption of the MAX1202AEPP+ in operating and power-down modes?
The power consumption is 1.5mA in operating mode and 2µA in power-down mode. - What package type is the MAX1202AEPP+ available in?
The MAX1202AEPP+ is available in a 20-Pin PDIP package. - Is the MAX1202AEPP+ compatible with TTL/CMOS logic?
Yes, the MAX1202AEPP+ is compatible with TTL/CMOS logic.
