DAC8734SPFBR

Product Overview

Category: Digital-to-Analog Converter (DAC)

Use: The DAC8734SPFBR is a high-performance, quad-channel, 16-bit digital-to-analog converter designed for various applications that require precise and accurate analog output signals. It is commonly used in audio systems, industrial automation, test and measurement equipment, and communication devices.

Characteristics: - Quad-channel: The DAC8734SPFBR consists of four independent channels, allowing simultaneous conversion of multiple digital inputs to analog outputs. - High resolution: With a 16-bit resolution, it provides excellent precision and accuracy in converting digital data to analog voltage levels. - Low noise and distortion: The DAC8734SPFBR ensures minimal noise and distortion, resulting in high-quality analog output signals. - Wide voltage range: It supports a wide power supply voltage range, making it suitable for various applications. - Fast settling time: The device offers fast settling time, enabling quick response to changes in the input digital data.

Package: The DAC8734SPFBR comes in a small footprint, lead-free package, known as the Thin Shrink Small Outline Package (TSSOP). This package provides ease of integration into circuit boards and ensures reliable performance.

Essence: The essence of the DAC8734SPFBR lies in its ability to convert digital data into precise analog signals, enabling seamless integration between digital and analog domains in electronic systems.

Packaging/Quantity: The DAC8734SPFBR is typically available in reels containing a quantity of 250 units per reel.

Specifications

• Resolution: 16 bits
• Number of Channels: 4
• Supply Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0V to Vref
• Settling Time: <10µs
• Operating Temperature Range: -40°C to +105°C

Detailed Pin Configuration

The DAC8734SPFBR has a total of 20 pins, which are assigned specific functions as follows:

1. VDD: Power supply voltage input
2. VREF: Reference voltage input
3. AGND: Analog ground
4. OUTA: Analog output channel A
5. OUTB: Analog output channel B
6. OUTC: Analog output channel C
7. OUTD: Analog output channel D
8. DGND: Digital ground
9. DIN: Serial data input
10. SCLK: Serial clock input
11. SYNC: Synchronization input
12. LDAC: Load DAC input
13. CLR: Clear input
14. A0: Address bit 0
15. A1: Address bit 1
16. A2: Address bit 2
17. A3: Address bit 3
18. A4: Address bit 4
19. A5: Address bit 5
20. VSS: Ground

Functional Features

• Simultaneous Update: The DAC8734SPFBR allows simultaneous update of all four channels, ensuring synchronized analog outputs.
• Internal Reference: It incorporates an internal reference voltage source, eliminating the need for an external reference component.
• Power-On Reset: The device includes a power-on reset circuitry that ensures proper initialization upon power-up.
• Low Glitch Energy: The DAC8734SPFBR minimizes glitch energy during transitions, resulting in improved signal integrity.

Advantages and Disadvantages

Advantages: - High resolution and accuracy - Low noise and distortion - Fast settling time - Simultaneous update capability - Integrated internal reference

Disadvantages: - Limited number of channels (four channels) - Relatively high power consumption compared to lower-resolution DACs

Working Principles

The DAC8734SPFBR operates based on the principle of converting digital data into corresponding analog voltage levels. It utilizes a combination of digital-to-analog conversion techniques, including resistor string architecture and current steering, to achieve accurate and precise analog outputs.

The device receives digital input data through the DIN pin, which is then processed internally to generate analog output voltages on the respective OUT pins. The synchronization of the digital input data with the SYNC signal ensures simultaneous update of all channels, maintaining synchronization between the digital and analog domains.

Detailed Application Field Plans

The DAC8734SPFBR finds extensive application in various fields, including:

1. Audio Systems: It is used in audio equipment such as digital audio players, mixers, and amplifiers to convert digital audio signals into analog audio outputs.
2. Industrial Automation: The DAC8734SPFBR is employed in industrial control systems for generating precise analog control signals required for motor control, process control, and instrumentation.
3. Test and Measurement Equipment: It is utilized in test and measurement devices like oscilloscopes, function generators