dac8552-dual-dac

Important Note

This entire repo was AI created - including all of the data within. The intent was to A) help me with my personal electronics inventory; and B) see how I could use AI to make that process a bit easier. DO NOT TRUST!

DAC8552IDGKR - 16-Bit Dual Channel Digital-to-Analog Converter

Details

• Location: Cabinet-3, Bin 37, Section E
• Category: Analog ICs
• Brand: Texas Instruments
• Part Number: DAC8552IDGKR
• Package: VSSOP (DGK) 8-pin
• Quantity: 4
• Status: Available
• Price Range: $3.50-7.00
• Datasheet: DAC8552 Datasheet
• Product URL: TI Product Page

Description

The DAC8552IDGKR is a 16-bit, dual-channel, ultralow glitch voltage output digital-to-analog converter from Texas Instruments. It features a serial SPI interface for easy integration into microcontroller-based systems. With precision analog outputs and low power consumption, this DAC is ideal for precision measurement, audio applications, instrumentation, and control systems.

Specifications

Electrical Characteristics

• Resolution: 16-bit
• Channels: 2 independent channels
• Supply Voltage: 2.7V to 5.5V single supply
• Output Range: 0V to VREF (rail-to-rail)
• Settling Time: Typical 4µs
• Glitch Energy: 0.15nV-s (ultralow)
• Relative Accuracy: 4 LSB typical
• Operating Temperature: -40°C to +105°C

Physical Characteristics

• Package: VSSOP (DGK) 8-pin
• Dimensions: 3.0mm x 3.0mm
• Pin Pitch: 0.65mm
• Lead Material: Nickel/Palladium/Gold (NiPdAu)

Key Features

• Dual independent 16-bit DAC channels
• SPI serial interface
• Ultralow glitch voltage output
• Rail-to-rail output operation
• Single supply operation
• Low power consumption
• Precision voltage output
• RoHS compliant

Pinout Diagram

    DAC8552IDGKR 8-Pin VSSOP
    ┌─────────────┐
GND │1          8│ VDD
CS  │2          7│ VREF
CLK │3          6│ OUTA
DIN │4          5│ OUTB
    └─────────────┘

Pin Descriptions

Pin	Name	Description
1	GND	Ground
2	CS	Chip Select (active low)
3	CLK	Serial Clock Input
4	DIN	Serial Data Input
5	OUTB	Analog Output Channel B
6	VREF	Reference Voltage Input
7	OUTA	Analog Output Channel A
8	VDD	Positive Power Supply

Applications

Common use cases for the DAC8552IDGKR:

• Precision measurement systems
• Audio signal generation
• Instrumentation and test equipment
• Analog control systems
• Programmable power supplies
• Signal conditioning
• Waveform generation
• Calibration circuits

Technical Notes

Important considerations for the DAC8552IDGKR:

• Precision: 16-bit resolution for high-accuracy applications
• Ultralow Glitch: Minimizes transient errors during switching
• SPI Interface: Standard serial protocol for easy microcontroller integration
• Dual Channel: Two independent DACs in single package
• Reference Voltage: External VREF input for flexible output range
• Decoupling: Use 0.1µF ceramic capacitor close to power pins
• Output Buffering: May require op-amp buffer for low-impedance loads

Design Considerations

Power Supply

• Single 2.7V to 5.5V supply
• Bypass capacitors recommended on VDD and VREF
• Ground plane recommended for low noise

SPI Interface

• Standard SPI protocol compatible with most microcontrollers
• CS must be low during data transfer
• 16-bit data format per channel
• Typical clock frequency: up to 30 MHz

Output Configuration

• Rail-to-rail output capability
• Output impedance: ~1kΩ typical
• May require buffering for low-impedance loads
• VREF sets output range (0V to VREF)

Tags

dac, 16-bit, dual-channel, spi, precision, texas-instruments cabinet-3 bin-37 status-available

Notes

Precision dual DAC suitable for audio, instrumentation, and control applications requiring 16-bit resolution and low glitch performance.

Chip Markings: TI SA / D82