Overview
The MAX1291BCEI+T is a low-power, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1291/MAX1293 family, which features successive-approximation ADCs with high dynamic performance and low power consumption. The MAX1291 is particularly suited for battery-powered and data-acquisition applications due to its small package size and efficient power management.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Sampling Rate | 250 kSPS |
| Input Channel Type | Pseudo Differential, Single Ended |
| Data Interface | Parallel |
| Supply Voltage Type | Single |
| Supply Voltage Min | 2.7 V |
| Supply Voltage Max | 3.6 V |
| No. of Pins | 28 Pins |
| ADC / DAC Case Style | QSOP |
| Operating Temperature Min | 0°C |
| Operating Temperature Max | 70°C |
| Integral Nonlinearity (INL) | ±1 LSB |
Key Features
- Low power consumption: 5.7 mW at maximum sampling rate (VDD = VLOGIC)
- User-adjustable logic level: +1.8 V to +3.6 V
- Internal +2.5 V reference
- Software-configurable analog inputs for unipolar/bipolar and single-ended/pseudo-differential operation
- Fast wake-up time: 2 µs
- High-speed, byte-wide parallel interface
- Automatic power-down and two software-selectable power-down modes
Applications
- Battery-powered devices
- Data-acquisition systems
- Medical devices
- Industrial control systems
- Portable instrumentation
Q & A
- What is the resolution of the MAX1291BCEI+T ADC? The MAX1291BCEI+T has a 12-bit resolution.
- What is the maximum sampling rate of the MAX1291BCEI+T? The maximum sampling rate is 250 kSPS.
- What types of input channels does the MAX1291BCEI+T support? It supports pseudo-differential and single-ended input channels.
- What is the supply voltage range for the MAX1291BCEI+T? The supply voltage range is from 2.7 V to 3.6 V.
- What is the package type of the MAX1291BCEI+T? It is available in a 28-pin QSOP package.
- What is the operating temperature range of the MAX1291BCEI+T? The operating temperature range is from 0°C to 70°C.
- How does the MAX1291BCEI+T manage power consumption? It features automatic power-down and two software-selectable power-down modes to reduce power consumption.
- What is the integral nonlinearity (INL) of the MAX1291BCEI+T? The INL is ±1 LSB.
- Can the MAX1291BCEI+T be used in battery-powered devices? Yes, it is suitable for battery-powered devices due to its low power consumption.
- Does the MAX1291BCEI+T have an internal reference voltage? Yes, it has an internal +2.5 V reference voltage.
