Overview
The MAX1247ACEE+T is a 12-bit, low-power, 4-channel analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1246/MAX1247 family, which combines a 4-channel multiplexer, high-bandwidth track/hold, and a serial interface. The MAX1247 operates from a single supply voltage ranging from +2.7V to +5.25V, making it suitable for a variety of applications requiring high conversion speed and low power consumption.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Supply Voltage | 2.7 | 5.25 | V | ||
| Conversion Resolution | 12 bits | ||||
| Analog Input Configuration | Unipolar/Bipolar, Single-Ended/Differential | ||||
| Reference Voltage | External Reference Required | ||||
| Reference Buffer Amplifier Adjustment Range | ±1.5% | % | |||
| Power Consumption (at reduced sampling rates) | <60 | µA | |||
| Operating Temperature Range | -40 | +85 | °C | ||
| Package Type | 16-pin QSOP |
Key Features
- Low power consumption with supply current under 60µA at reduced sampling rates
- High conversion speed and low power operation from a single +2.7V to +5.25V supply
- Software-configurable analog inputs for unipolar/bipolar and single-ended/differential operation
- External reference voltage required with a ±1.5% voltage-adjustment range through the reference-buffer amplifier
- Hard-wired SHDN-bar pin and software-selectable power-down capabilities
- Quick turn-on time allowing shutdown between conversions
- Available in a compact 16-pin QSOP package
Applications
- Data-acquisition systems
- Industrial and process control systems
- Medical devices
- Automotive systems
- Test and measurement equipment
- Battery-operated systems
Q & A
- What is the supply voltage range for the MAX1247ACEE+T?
The MAX1247ACEE+T operates from a single supply voltage ranging from +2.7V to +5.25V.
- What is the conversion resolution of the MAX1247ACEE+T?
The MAX1247ACEE+T has a 12-bit conversion resolution.
- Can the analog inputs be configured for different modes?
Yes, the analog inputs are software-configurable for unipolar/bipolar and single-ended/differential operation.
- Does the MAX1247ACEE+T have an internal reference voltage?
No, the MAX1247ACEE+T requires an external reference voltage.
- What is the power consumption at reduced sampling rates?
The power consumption is under 60µA at reduced sampling rates.
- What are the operating temperature ranges for the MAX1247ACEE+T?
The operating temperature range is from -40°C to +85°C.
- In what package type is the MAX1247ACEE+T available?
The MAX1247ACEE+T is available in a 16-pin QSOP package.
- Does the MAX1247ACEE+T support power-down modes?
Yes, it has both hard-wired SHDN-bar pin and software-selectable power-down capabilities.
- What is the purpose of the reference-buffer amplifier?
The reference-buffer amplifier provides a ±1.5% voltage-adjustment range.
- Is there an evaluation kit available for the MAX1247ACEE+T?
Yes, there is an evaluation kit (EV kit) and an evaluation system (EV system) available for the MAX1247.
