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AD9834BRU

Name: AD9834BRU
Rating: 4.7 (12 reviews)

IC DDS 50MHZ 10BIT 20TSSOP

제조업체
Mfr.부분 #AD9834BRU
패키지 20-TSSOP (0.173, 4.40mm Width)
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사양

Supplier	Analog Devices Inc.,Rochester Electronics, LLC
Package	Tube,Tube
ProductStatus	Obsolete
Resolution(Bits)	10 b
Masterfclk	50 MHz
TuningWordWidth(Bits)	28 b
Voltage-Supply	2.3V ~ 5.5V
OperatingTemperature	-40°C ~ 105°C
MountingType	Surface Mount
Package/Case	20-TSSOP (0.173, 4.40mm Width)

개요

Description

The AD9834BRU is Analog Devices’ low‑power, direct‑digital‑synthesis (DDS) waveform generator. It produces precise, programmable waveforms from a clock source using DDS technology, with a built‑in DAC and a simple serial interface for control.
Key points:
- Waveforms: sine, triangle, and square (via waveform selection)
- Programmable: frequency, phase, and waveform type via an SPI‑like interface
- Output: analog waveform from an internal DAC; suitable for low‑to‑mid RF applications
- Clocking: relies on an external clock (typical DDS operation: higher clock → higher possible output frequency)
- Applications: signal generators, test equipment, RF/microwave synthesis, lab instrumentation
- Packaging: BRU suffix indicates the packaging variant (e.g., RoHS‑compliant, reel/packaging option)
In short, AD9834BRU is a compact, programmable DDS source ideal for generating stable tones and waveforms in bench and embedded test setups, with straightforward control and low power.

Features

Key features of AD9834BRU (DDS) at a glance:
- Fully integrated direct digital synthesizer with an on-chip DAC.
- SPI-compatible control interface (frequency word, phase word, and control settings).
- Programmable output frequency with high resolution; up to about clock frequency/2 range.
- Programmable phase offset for each frequency setting.
- Output is a DAC current output; requires external load resistor or op-amp to produce a voltage.
- Low power operation with power-down mode for standby.
- Wide supply range (typical 2.3 V to 5.5 V).
- Industrial temperature range available (per device variant).
- Available in BRU suffix packaging (tape-and-reel) for automated handling.
- Suitable for signal generation, RF/local oscillator, and general test equipment.

Package

The AD9834BRU comes in an 8‑pin small‑outline package (SOIC‑8), RoHS compliant.

Pinout

- Pin count: 16 pins (SOIC-16/DIP-16 package).
- Function: A Direct Digital Synthesis (DDS) waveform generator with an SPI-like control interface. It generates programmable-frequency sine/triangle/square waves from an internal DAC; the output is a current source (Iout) that requires external conditioning (op-amp + resistor) to obtain a voltage.

Manufacturer

- Manufacturer: Analog Devices, Inc. (ADI).
- Company type: An American multinational semiconductor company that designs and manufactures analog, mixed-signal, and digital signal processing (DSP) integrated circuits for communications, instrumentation, consumer electronics, and industrial applications.

Application

AD9834BRU is a compact DDS waveform generator suitable for RF and instrumentation. Common applications include:
- RF/IF signal generation and LO synthesis for communications, radar, and test equipment
- Function/arb waveform generation in lab instruments and handheld testers
- Clock/beat frequency references or tone generation for sensors and audio systems
- Calibration and testing of mixers, amplifiers, and ADC/DAC chains
- Prototyping and education in DDS-based signal generation