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Series Information for AD9834BRUZ - Analog Devices


  • feature
    Narrow-band SFDR >72 dB 2.3 V to 5.5 V power supply Output frequency up to 37.5 MHz Sine output/triangular output On-board comparator 3-wire SPIu00ae interface Extended temperature range: u221240u00b0C to +105u00b0C Power-down option 20 mW power consumption at 3 V 20-lead TSSOP



The AD9834 is a 75 MHz low power DDS device capable of producing high performance sine and triangular outputs. It also has an on-board comparator that allows a square wave to be produced for clock generation. Consuming only 20 mW of power at 3 V makes the AD9834 an ideal candidate for power-sensitive applications. Capability for phase modulation and frequency modulation is provided. The frequency registers are 28 bits; with a 75 MHz clock rate, resolution of 0.28 Hz can be achieved. Similarly, with a 1 MHz clock rate, the AD9834 can be tuned to 0.004 Hz resolution. Frequency and phase modulation are affected by loading registers through the serial interface and toggling the registers using software or the FSELECT pin and PSELECT pin, respectively. The AD9834 is written to using a 3-wire serial interface. This serial interface operates at clock rates up to 40 MHz and is compatible with DSP and microcontroller standards. The device operates with a power supply from 2.3 V to 5.5 V. The analog and digital sections are independent and can be run from different power supplies, for example, AVDD can equal 5 V with DVDD equal to 3 V. The AD9834 has a power-down pin (SLEEP) that allows external control of the power-down mode. Sections of the device that are not being used can be powered down to minimize the current consumption. For example, the DAC can be powered down when a clock output is being generated. The part is available in a 20-lead TSSOP.


IC Function:
Direct Digital Synthesizer
Supply Voltage Min:
Supply Voltage Max:
IC Package Type:
No. of Pins:
Operating Temperature Min:
Operating Temperature Max:
Product Range:
AD9834 Series
Automotive Qualification Standard:
MSL 1 - Unlimited
No SVHC (07-Jul-2017)
Base Number:
Communication Function:
Direct Digital Synthesis
Control Interface:
Device Marking:
IC Generic Number:
Logic Function Number:
Operating Temperature Range:
-40°C to +105°C
Supply Current:
Supply Voltage Range:
2.3V to 5.5V
Termination Type:
Surface Mount Device

Alternate Descriptions

RS Components
Frequency Synrthesizer,AD9834 25MHz
Newark Electronics
IC, 10BIT DDS, SMD, 9834, TSSOP20; IC Function:Direct Digital Synthesizer; Supply Voltage Min:2.3V; Supply Voltage Max:5.5V; IC Package Type:TSSOP; No. of Pins:20Pins; Operating Temperature Min:-40°C; Operating Temperature Max:105°C;RoHS Compliant: Yes
RS Components UK
Frequency Synrthesizer,AD9834 25MHz
RS Components DE
10 bit-Bit Direkt Digital-Synthesizer AD9834BRUZ, 75000ksps, TSSOP 20-Pin Montage-Typ : SMD Abmessungen : 6.5 x 4.4 x 1.05mm Länge : 6.5mm Betriebstemperatur max. : +105 °C Betriebstemperatur min. : -40 °C Breite : 4.4mm, Analog Devices
RS Components HK
Frequency Synrthesizer,AD9834 25MHz
RS Components JP
Frequency Synrthesizer,AD9834 25MHz
RS Components FR
Frequency Synrthesizer,AD9834 25MHz
RS Components CN
Frequency Synrthesizer,AD9834 25MHz
RS Components ES
Frequency Synrthesizer,AD9834 25MHz
RS Components NL
Frequency Synrthesizer,AD9834 25MHz
RS Components NO
RS Components US
Frequency Synrthesizer,AD9834 25MHz
RS Components SG
Frequency Synrthesizer,AD9834 25MHz
RS Components TW
Frequency Synrthesizer,AD9834 25MHz