DAC904E

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DAC904E

+BOM

DAC904 14-BIT 165-MSPS DIGITAL-T

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Specifications

Attribute Value
Series SpeedPlus™
PartStatus Active
NumberofBits 14
NumberofD/AConverters 1
SettlingTime 30ns (Typ)
OutputType Current - Unbuffered
DifferentialOutput Yes
DataInterface Parallel
ReferenceType External, Internal
Voltage-Supply,Analog 2.7V ~ 5.5V
Voltage-Supply,Digital 2.7V ~ 5.5V
INL/DNL(LSB) ±3, ±2.5
Architecture Current Source
OperatingTemperature -40°C ~ 85°C
Package 28-TSSOP (0.173", 4.40mm Width)
SupplierDevicePackage 28-TSSOP
MountingType Surface Mount
Packaging Bulk

Overview

Description

The DAC904E is a high-speed, 12-bit digital-to-analog converter (DAC) from Texas Instruments, designed for precision signal generation in applications like communications, waveform synthesis, and test equipment.
### Key Features:
- Resolution: 12-bit
- Speed: 165 MSPS (Mega Samples Per Second)
- Output: Current-sourcing (2–20 mA), requires external op-amp for voltage output
- Interface: Parallel CMOS/TTL-compatible
- Power Supply: Single +5V or dual ±5V operation
- Low Glitch: 3 pV-s for clean signal transitions
### Applications:
- Direct digital synthesis (DDS)
- High-speed instrumentation
- Video and radar systems
### Advantages:
- High linearity (INL: ±0.5 LSB)
- Low power consumption (~170 mW)
- Compact 28-pin SOIC package
The DAC904E is ideal for systems requiring fast, accurate analog output with minimal distortion. For voltage output, pair it with a high-speed op-amp like the THS3001.

Equivalent

The DAC904E is a 14-bit, 165 MSPS digital-to-analog converter. Equivalent or similar products include:
- AD9765 (14-bit, 125 MSPS, Analog Devices)
- AD9754 (14-bit, 210 MSPS, Analog Devices)
- MAX5891 (14-bit, 500 MSPS, Maxim Integrated)
- LTC1668 (14-bit, 160 MSPS, Linear Technology)
These alternatives offer comparable performance in resolution and speed. Check datasheets for exact compatibility.

Features

The DAC904E is a high-speed, 12-bit digital-to-analog converter (DAC) with the following key features:
- Resolution: 12-bit
- Speed: 165 MSPS (Mega Samples Per Second) update rate
- Output: Current-source (2–20 mA range), supports differential or single-ended
- Interface: Parallel, 12-bit CMOS/TTL-compatible
- Power Supply: Single +5V or dual ±5V operation
- DNL: ±0.5 LSB (typical) for high linearity
- Power Dissipation: 170 mW (typical) at +5V
- Package: 28-pin SOIC or TSSOP
- Applications: Communications, waveform generation, video, and test equipment
Its high speed and low glitch make it suitable for demanding signal-processing tasks.

Pinout

The DAC904E is a 14-bit, high-speed digital-to-analog converter (DAC) with 28 pins (TSSOP package). Key functions include:
- Digital Inputs (14 pins): Accepts 14-bit parallel data (D0–D13).
- Analog Outputs (2 pins): Differential current outputs (IOUT1, IOUT2) for flexible signal conditioning.
- Reference Input (1 pin): External reference voltage (VREF) sets full-scale output.
- Control Pins:
- CLK (1 pin): Clock input for synchronous operation.
- PD (1 pin): Power-down mode control.
- Power/Ground (6 pins): Dual ±5V supplies (AVDD, DVDD) and ground pins.
The DAC904E is optimized for high-speed applications (up to 165 MSPS) with low glitch and low power consumption.

Application

The DAC904E is a high-speed, 12-bit digital-to-analog converter (DAC) used in applications requiring precision and fast signal generation. Key areas include:
1. Communications – Baseband signal generation in wireless systems.
2. Test & Measurement – Arbitrary waveform generation and signal synthesis.
3. Video & Imaging – High-resolution display systems and video signal processing.
4. Radar & Defense – Fast waveform generation in radar and electronic warfare.
5. Industrial Automation – High-speed control systems and process instrumentation.
Its 165 MSPS update rate and low glitch energy make it ideal for dynamic, high-performance systems.

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