Overview
The ADT7411ARQ, produced by Analog Devices Inc., is a versatile integrated circuit that combines a 10-bit temperature-to-digital converter and a 10-bit 8-channel analog-to-digital converter (ADC) in a single 16-lead QSOP package. This device incorporates a band gap temperature sensor and an ADC, enabling precise temperature monitoring and analog signal digitization. It operates from a single supply voltage ranging from 2.7 V to 5.5 V, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Conditions/Comments |
|---|---|---|---|---|---|
| VDD | 2.7 | 5.5 | V | Supply voltage range | |
| Temperature Range | -40 | 120 | °C | Operating temperature range | |
| Temperature Sensor Accuracy | ±0.5 | °C | |||
| ADC Input Range | 0 | 2.25 | V | Input voltage range for ADC channels | |
| IDD (Normal Mode) | 2.2 | 3 | 3 | mA | VDD = 3.3 V, VIH = VDD and VIL = GND |
| IDD (Power-Down Mode) | 10 | µA | VDD = 3.3 V, VIH = VDD and VIL = GND | ||
| Power Dissipation | 10 | mW | VDD = 3.3 V, using normal mode |
Key Features
- 10-bit temperature-to-digital converter with a resolution of 0.25°C
- 10-bit 8-channel ADC with internal reference
- Single supply voltage range: 2.7 V to 5.5 V
- Low power consumption: <10 µA in power-down mode
- Double-buffered input logic and internal 2.25 VREF option
- Compatible with SPI, QSPI, MICROWIRE, DSP, and SMBus/I2C interfaces
- SMBus packet error checking (PEC) compatible
- Standby mode controlled via the serial interface
Applications
- Portable battery-powered instruments
- PCs and office equipment
- Smart battery chargers
- Telecommunications systems
- Electronic test equipment
- Domestic appliances
- Process controls
Q & A
- What is the ADT7411ARQ?
The ADT7411ARQ is a combined 10-bit temperature-to-digital converter and 10-bit 8-channel ADC in a 16-lead QSOP package.
- What is the operating temperature range of the ADT7411ARQ?
The operating temperature range is from -40°C to +120°C.
- What is the accuracy of the temperature sensor in the ADT7411ARQ?
The temperature sensor accuracy is ±0.5°C.
- What are the supply voltage and current requirements for the ADT7411ARQ?
The supply voltage range is 2.7 V to 5.5 V, and the current consumption in normal mode is typically 3 mA at VDD = 3.3 V.
- What interfaces are supported by the ADT7411ARQ?
The device supports SPI, QSPI, MICROWIRE, DSP, and SMBus/I2C interfaces.
- What is the power consumption in power-down mode?
The power consumption in power-down mode is less than 10 µA.
- Can the ADT7411ARQ be used in battery-powered devices?
Yes, it is suitable for battery-powered devices due to its low power consumption.
- Is the ADT7411ARQ still in production?
No, the ADT7411ARQ is obsolete and no longer manufactured.
- What are some typical applications of the ADT7411ARQ?
Typical applications include PCs, smart battery chargers, telecommunications systems, electronic test equipment, and domestic appliances.
- Does the ADT7411ARQ have internal reference for the ADC channels?
Yes, the ADT7411ARQ has an internal reference for the ADC channels.
