AD7247KR

Product Overview

Category

AD7247KR belongs to the category of integrated circuit (IC) chips.

Use

The AD7247KR is commonly used in electronic devices for digital-to-analog conversion (DAC). It converts digital signals into analog voltages, allowing for precise control over various analog components.

Characteristics

• High resolution: The AD7247KR offers a high-resolution output, ensuring accurate analog voltage representation.
• Low power consumption: This IC chip is designed to operate efficiently with low power consumption, making it suitable for battery-powered devices.
• Fast conversion speed: The AD7247KR provides fast conversion times, enabling real-time analog signal generation.
• Wide operating voltage range: It can operate within a wide voltage range, accommodating different power supply configurations.

Package and Quantity

The AD7247KR is available in a small outline package (SOP) with 16 pins. Each package contains one AD7247KR IC chip.

Specifications

• Resolution: The AD7247KR has a resolution of 12 bits, allowing for precise analog voltage outputs.
• Voltage reference: It utilizes an internal voltage reference of 2.5V, ensuring accurate conversions.
• Operating temperature range: The AD7247KR can operate within a temperature range of -40°C to +85°C.
• Supply voltage range: It requires a supply voltage between 4.75V and 5.25V.

Pin Configuration

The AD7247KR features 16 pins arranged as follows:

1. VOUTA: Analog Output A
2. VREF: Reference Voltage Input
3. AGND: Analog Ground
4. VDD: Positive Power Supply
5. VOUTB: Analog Output B
6. WR: Write Control Input
7. DB0: Data Bit 0
8. DB1: Data Bit 1
9. DB2: Data Bit 2
10. DB3: Data Bit 3
11. DB4: Data Bit 4
12. DB5: Data Bit 5
13. DB6: Data Bit 6
14. DB7: Data Bit 7
15. CS: Chip Select Input
16. CLK: Clock Input

Functional Features

• Dual-channel output: The AD7247KR provides two independent analog outputs, A and B, allowing for simultaneous generation of different analog signals.
• Serial interface: It utilizes a serial interface for easy integration with microcontrollers or other digital devices.
• Power-down mode: The AD7247KR includes a power-down mode to conserve energy when not in use.

Advantages

• High resolution enables accurate analog voltage representation.
• Low power consumption prolongs battery life in portable devices.
• Fast conversion speed allows for real-time signal generation.
• Wide operating voltage range accommodates various power supply configurations.

Disadvantages

• Limited number of output channels may restrict certain applications requiring more outputs.
• Requires an external clock source for operation.

Working Principles

The AD7247KR operates by receiving digital input data through the serial interface. It then converts this digital data into corresponding analog voltages using its internal DAC. The converted analog voltages are available at the dual analog outputs, A and B.

Application Field Plans

The AD7247KR finds applications in various fields, including: 1. Audio equipment: Used for audio signal generation and control in amplifiers, mixers, and equalizers. 2. Instrumentation: Enables precise control of analog components in measurement instruments. 3. Industrial automation: Provides analog control signals for industrial processes and machinery. 4. Communication systems: Used in signal processing and modulation/demodulation circuits.

Alternative Models

1. AD7245KR: Similar to AD7247KR but with a single analog output.
2. AD7243KR: Lower resolution version (10 bits) of AD7247KR.
3. AD5627R: Digital-to-analog converter with higher resolution (16 bits).

In conclusion, the AD7247KR is a high-resolution digital-to-analog converter IC chip that offers fast conversion speed and low power consumption. It finds applications in various fields such as audio equipment, instrumentation, industrial automation, and communication systems. Alternative models include the AD7245KR, AD7243KR, and AD5627R.