DAC902EG4
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Texas Instruments DAC902EG4

Manufacturer No:
DAC902EG4
Manufacturer:
Texas Instruments
Package:
Tube
Description:
IC DAC 12BIT A-OUT 28TSSOP
Delivery:
Payment:
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Product Introduction

Overview

The DAC902EG4, manufactured by Texas Instruments, is a high-speed 12-bit digital-to-analog converter (DAC) belonging to the SpeedPlus™ series. This IC is designed for applications requiring high dynamic performance and fast signal processing. It is particularly suited for communication systems, waveform generation, and high-speed instrumentation. The DAC902EG4 is available in a 28-pin TSSOP package, offering a compact and efficient solution for modern electronic designs.

Key Specifications

ParameterValueUnitNotes
Resolution12bit-
Sampling Rate165MSPS-
Number of Channels1--
Supply Voltage2.7 to 5.5V-
Operating Temperature-40 to +85°C-
PackageTSSOP-28--
InterfaceParallel--
Settling Time30ns-

Key Features

  • High-speed 12-bit resolution for precise signal conversion.
  • Single +5V or +3V operation for versatile power supply options.
  • Low power consumption at 170mW, ideal for portable applications.
  • Internal reference with adjustable full-scale range for flexibility.
  • Optimized for high spurious-free dynamic range (SFDR) in communication systems.

Applications

The DAC902EG4 is widely used in various fields, including communication transmission channels such as wireless local loops (WLL) and cellular base stations. It is also employed in digital microwave links, cable modems, and waveform generation applications like direct digital synthesis (DDS) and arbitrary waveform generation (ARB). Additionally, it finds use in medical imaging, high-speed instrumentation, and digital TV systems.

Q & A

What is the resolution of the DAC902EG4?

The DAC902EG4 has a resolution of 12 bits.

What is the maximum sampling rate of this DAC?

The maximum sampling rate is 165 MSPS.

What is the operating voltage range?

The operating voltage ranges from 2.7V to 5.5V.

What is the settling time of the DAC902EG4?

The settling time is 30 nanoseconds.

What package does the DAC902EG4 come in?

It is available in a 28-pin TSSOP package.

Is the DAC902EG4 suitable for portable applications?

Yes, its low power consumption of 170mW makes it ideal for portable devices.

What are the typical applications of this DAC?

Typical applications include communication systems, waveform generation, and high-speed instrumentation.

Does the DAC902EG4 have an internal reference?

Yes, it features an internal reference with an adjustable full-scale range.

What is the operating temperature range?

The operating temperature ranges from -40°C to +85°C.

Is the DAC902EG4 RoHS compliant?

Yes, it is RoHS compliant.

Product Attributes

Number of Bits:12
Number of D/A Converters:1
Settling Time:30ns (Typ)
Output Type:Current - Unbuffered
Differential Output:Yes
Data Interface:Parallel
Reference Type:External, Internal
Voltage - Supply, Analog:2.7V ~ 5.5V
Voltage - Supply, Digital:2.7V ~ 5.5V
INL/DNL (LSB):±1, ±0.5
Architecture:Current Source
Operating Temperature:-40°C ~ 85°C
Package / Case:28-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:28-TSSOP
Mounting Type:Surface Mount
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Similar Products

Part Number DAC902EG4 DAC902UG4
Manufacturer Texas Instruments Texas Instruments
Product Status Obsolete Obsolete
Number of Bits 12 12
Number of D/A Converters 1 1
Settling Time 30ns (Typ) 30ns (Typ)
Output Type Current - Unbuffered Current - Unbuffered
Differential Output Yes Yes
Data Interface Parallel Parallel
Reference Type External, Internal External, Internal
Voltage - Supply, Analog 2.7V ~ 5.5V 2.7V ~ 5.5V
Voltage - Supply, Digital 2.7V ~ 5.5V 2.7V ~ 5.5V
INL/DNL (LSB) ±1, ±0.5 ±1, ±0.5
Architecture Current Source Current Source
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C
Package / Case 28-TSSOP (0.173", 4.40mm Width) 28-SOIC (0.295", 7.50mm Width)
Supplier Device Package 28-TSSOP 28-SOIC
Mounting Type Surface Mount Surface Mount

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