Overview
The MAX1243ACSA+T is a low-power, 10-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This component operates with a single supply voltage ranging from +2.7V to +5.25V and is available in an 8-pin Small-Outline IC (SOIC) package. It features a successive-approximation ADC with a conversion time of 7.5µs and a fast track/hold time of 1.5µs. The MAX1243ACSA+T is designed for applications requiring high precision and low power consumption, making it suitable for a variety of electronic systems.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Supply Voltage (VDD) | +2.7V to +5.25V | |
| Resolution | 10 bits | |
| Conversion Time | 7.5µs | |
| Track/Hold Time | 1.5µs | |
| Sampling Rate | Up to 73ksps | |
| Power Consumption | 3mW (VDD = 3V) | At maximum sampling speed |
| Shutdown Current | 2µA | |
| Reference Type | External | |
| Signal-to-Noise Plus Distortion Ratio (SINAD) | 66 dB | At 2.25 MHz full-power bandwidth |
| Total Harmonic Distortion (THD) | -70 dB | At 1 MHz |
Key Features
- Low power consumption of 3mW at VDD = 3V and maximum sampling speed.
- Fast conversion time of 7.5µs and track/hold time of 1.5µs.
- High-speed, 3-wire serial interface.
- On-chip clock and external reference input (for MAX1243).
- Internal 2.5V reference available for MAX1242, but MAX1243 requires an external reference.
- Shutdown mode with a current of 2µA to reduce power at slower throughput rates.
Applications
The MAX1243ACSA+T is suitable for various applications requiring low power and high precision analog-to-digital conversion. These include:
- Portable and battery-powered devices where low power consumption is critical.
- Industrial control systems that require precise analog measurements.
- Medical devices needing accurate and low-power ADCs.
- Automotive systems where reliability and precision are essential.
- Embedded systems and IoT devices that demand efficient power usage.
Q & A
- What is the supply voltage range for the MAX1243ACSA+T?
The supply voltage range is from +2.7V to +5.25V.
- What is the resolution of the MAX1243ACSA+T ADC?
The resolution is 10 bits.
- What is the conversion time of the MAX1243ACSA+T?
The conversion time is 7.5µs.
- Does the MAX1243ACSA+T have an internal reference voltage?
No, the MAX1243 requires an external reference voltage.
- What is the power consumption of the MAX1243ACSA+T at maximum sampling speed?
The power consumption is 3mW at VDD = 3V.
- What is the shutdown current of the MAX1243ACSA+T?
The shutdown current is 2µA.
- What type of interface does the MAX1243ACSA+T use?
The MAX1243ACSA+T uses a high-speed, 3-wire serial interface.
- What is the signal-to-noise plus distortion ratio (SINAD) of the MAX1243ACSA+T?
The SINAD is 66 dB at 2.25 MHz full-power bandwidth.
- What is the total harmonic distortion (THD) of the MAX1243ACSA+T?
The THD is -70 dB at 1 MHz.
- In what package is the MAX1243ACSA+T available?
The MAX1243ACSA+T is available in an 8-pin Small-Outline IC (SOIC) package.
