規格
| 屬性 | 價值 |
| Supplier | Texas Instruments |
| Package / Case | Tape & Reel (TR) |
| Part Status | Active |
| Number of Bits | 16 |
| Number of D/A Converters | 4 |
| Settling Time | 10ns (Typ) |
| Output Type | Current - Unbuffered |
| Differential Output | Yes |
| Data Interface | JESD204B |
| Reference Type | External, Internal |
| Voltage - Supply, Analog | 3.15V ~ 3.45V |
| Voltage - Supply, Digital | 0.85V ~ 0.95V |
| INL / DNL(LSB) | ±6, ±4 |
| Architecture | Current Source |
| Operating Temperature | -40°C ~ 85°C |
| Supplier Device Package | 144-FCBGA (10x10) |
概述
Description
DAC37J84IAAVR is a Texas Instruments high-speed digital-to-analog converter (DAC) in the DAC37J84 family. It is designed for RF, communications, and test-equipment applications, offering fast D/A conversion with wide dynamic range and a high-speed serial data interface (commonly JESD204B/LVDS). The DAC typically uses a current-output architecture with external I-to-V conversion, and supports programmable full-scale current plus options for internal or external references and various power-management features. The IAAVR suffix denotes a specific package type and temperature rating; exact package details, pinout, and electrical characteristics are in the TI datasheet. Typical use cases include waveform generation, IQ modulation, upconversion, and instrument-grade signal synthesis. For precise specifications—bit resolution, maximum sample rate, noise/spurs, output mode, and interface pins—consult TI’s DAC37J84 datasheet and product page.
Pinout
- Pin count: 48 pins (LQFP package).
- Function: Quad, 12-bit digital-to-analog converter with a serial (SPI-like) interface; outputs are current-mode requiring external op-amps/resistors to convert to voltage.
- Function: Quad, 12-bit digital-to-analog converter with a serial (SPI-like) interface; outputs are current-mode requiring external op-amps/resistors to convert to voltage.
Manufacturer
- Manufacturer: Texas Instruments (TI).
- What kind of company: an American multinational semiconductor company that designs, manufactures, and sells analog and digital integrated circuits and embedded processors for a wide range of industries.
- What kind of company: an American multinational semiconductor company that designs, manufactures, and sells analog and digital integrated circuits and embedded processors for a wide range of industries.
Application
DAC37J84IAAVR is a quad, high-speed, multi-channel DAC. Typical application areas include:
- RF/microwave signal generation and test equipment
- Baseband/IF signal generation for wireless transceivers and software-defined radios
- Instrumentation and benchtop arbitrary waveform generation
- Radar, electronic warfare, and aerospace/defense test systems
- Multi-channel waveform synthesis for lab automation and simulation
- Power electronics and motor-drive test benches (signal generation and conditioning)
For exact applicability, refer to the datasheet for timing, voltage, and channel details.
- RF/microwave signal generation and test equipment
- Baseband/IF signal generation for wireless transceivers and software-defined radios
- Instrumentation and benchtop arbitrary waveform generation
- Radar, electronic warfare, and aerospace/defense test systems
- Multi-channel waveform synthesis for lab automation and simulation
- Power electronics and motor-drive test benches (signal generation and conditioning)
For exact applicability, refer to the datasheet for timing, voltage, and channel details.
Package
84-pin LQFP (LQFP-84) package.