AD9851BRSZ

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Series Information for AD9851BRSZ - Analog Devices

Features

  • feature
    180 MHz Clock Rate with Selectable 6ue033 Reference Clock Multiplier On-Chip High Performance 10-Bit DAC and High Speed Comparator with Hysteresis SFDR >43 dB @ 70 MHz AOUT 32-Bit FrequencyTuningWord Simplified Control Interface: Parallel or Serial Asynchronous Loading Format 5-Bit Phase Modulation and Offset Capability Comparator Jitter <80 ps p-p @ 20 MHz 2.7V to 5.25V Single-Supply Operation Low Power: 555 mW @ 180 MHz Power-Down Function, 4 mW @ 2.7 V Ultrasmall 28-Lead SSOP Packaging

Description

IC DDS / DAC SYNTHESIZER 28SSOP

The AD9851 is a highly integrated device that uses advanced DDS technology, coupled with an internal high speed, high performance D/A converter, and comparator, to form a digitally programmable frequency synthesizer and clock generator func- tion. When referenced to an accurate clock source, the AD9851 generates a stable frequency and phase-programmable digitized analog output sine wave. This sine wave can be used directly as a frequency source, or internally converted to a square wave for agile-clock generator applications. The AD9851’s innovative high speed DDS core accepts a 32-bit frequency tuning word, which results in an output tuning resolution of approximately 0.04 Hz with a 180 MHz system clock. The AD9851 contains a unique 6 REFCLK Multiplier circuit that eliminates the need for a high speed reference oscillator. The 6 REFCLK Multiplier has minimal impact on SFDR and phase noise char- acteristics. The AD9851 provides five bits of programmable phase modulation resolution to enable phase shifting of its output in increments of 11.25°. The AD9851 contains an internal high speed comparator that can be configured to accept the (externally) filtered output of the DAC to generate a low jitter output pulse. The frequency tuning, control, and phase modulation words are asynchronously loaded into the AD9851 via a parallel or serial loading format. The parallel load format consists of five iterative loads of an 8-bit control word (byte). The first 8-bit byte controls output phase, 6 REFCLK Multiplier, power-down enable and loading format; the remaining bytes comprise the 32-bit frequency tuning word. Serial loading is accomplished via a 40-bit serial data stream entering through one of the parallel input bus lines. The AD9851 uses advanced CMOS technology to provide this break- through level of functionality on just 555 mW of power dissipation (5 V supply), at the maximum clock rate of 180 MHz. The AD9851 is available in a space-saving 28-lead SSOP, surface-mount package that is pin-for-pin compatible with the popular AD9850 125 MHz DDS. It is specified to operate over the extended industrial temperature range of –40°C to +85°C at >3.0 V supply voltage. Below 3.0 V, the specifications apply over the commercial temperature range of 0°C to 85°C.

Specifications

IC Function:
Direct Digital Synthesizer
Supply Voltage Min:
2.7V
Supply Voltage Max:
5.25V
IC Package Type:
SSOP
No. of Pins:
28Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (07-Jul-2017)

Alternate Descriptions

RS Components
DDS Clock Driver AD9851BRSZ
Newark Electronics
IC, DDS / DAC SYNTHESIZER, 28SSOP; IC Function:Direct Digital Synthesizer; Supply Voltage Min:2.7V; Supply Voltage Max:5.25V; IC Package Type:SSOP; No. of Pins:28Pins; Operating Temperature Min:-40°C; Operating Temperature Max:85°C; RoHS Compliant: Yes
R.F. elettronica
CMOS DDS/DAC synthesizer integrated circuit, clock 180 MHz, SMD SSOP-28 package
RS Components UK
DDS Clock Driver AD9851BRSZ
RS Components DE
10 bit-Bit Direkt Digital-Synthesizer AD9851BRSZ, 180000ksps, SSOP 28-Pin Montage-Typ : SMD Abmessungen : 10.2 x 5.3 x 1.75mm Länge : 10.2mm Betriebstemperatur max. : +85 °C Betriebstemperatur min. : –40 °C Breite : 5.3mm, Analog Devices
RS Components HK
DDS Clock Driver AD9851BRSZ
RS Components JP
半導体,シンセサイザ
RS Components FR
AD9851BRSZ
RS Components CN
IC, AD9851BRSZ
RS Components ES
Driver Reloj DDS AD9851BRSZ
RS Components NL
DDS Clock Driver AD9851BRSZ
RS Components NO
DDS Clock Driver AD9851BRSZ
RS Components US
DDS Clock Driver AD9851BRSZ
RS Components SG
DDS Clock Driver AD9851BRSZ
RS Components TW
DDS Clock Driver AD9851BRSZ