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Series Information for AD9957BSVZ - Analog Devices


  • feature
    1 GSPS internal clock speed (up to 400 MHz analog output) Integrated 1 GSPS 14-bit DAC 250 MSPS input data rate Phase noise u2264 u2212125 dBc/Hz (400 MHz carrier @ 1 kHz offset) Excellent dynamic performance >80 dB narrow-band SFDR 8 programmable profiles for shift keying Sin(x)/(x) correction (inverse sinc filter) Reference clock multiplier Internal oscillator for a single crystal operation Software and hardware controlled power-down Integrated RAM Phase modulation capability Multichip synchronization Easy interface to Blackfin SPORT Interpolation factors from 4u00d7 to 252u00d7 Interpolation DAC mode Gain control DAC Internal divider allows references up to 2 GHz 1.8 V and 3.3 V power supplies 100-lead TQFP_EP package



The AD9957 functions as a universal I/Q modulator and agile upconverter for communications systems where cost, size, power consumption, and dynamic performance are critical. The AD9957 integrates a high speed, direct digital synthesizer (DDS), a high performance, high speed, 14-bit digital-to-analog converter (DAC), clock multiplier circuitry, digital filters, and other DSP functions onto a single chip. It provides baseband upconversion for data transmission in a wired or wireless communications system. The AD9957 is the third offering in a family of quadrature digital upconverters (QDUCs) that includes the AD9857 and AD9856. It offers performance gains in operating speed, power consumption, and spectral performance. Unlike its predecessors, it supports a 16-bit serial input mode for I/Q baseband data. The device can alternatively be programmed to operate either as a single tone, sinusoidal source or as an interpolating DAC. The reference clock input circuitry includes a crystal oscillator, a high speed, divide-by-two input, and a low noise PLL for multiplication of the reference clock frequency. The user interface to the control functions includes a serial port easily configured to interface to the SPORT of the Blackfin® DSP and profile pins to enable fast and easy shift keying of any signal parameter (phase, frequency, or amplitude).


Frequency Min:
Frequency Max:
Supply Voltage Min:
Supply Voltage Max:
RF IC Case Style:
No. of Pins:
Operating Temperature Min:
Operating Temperature Max:
Product Range:
AD9957 Series
RoHS Phthalates Compliant:
MSL 3 - 168 hours
No SVHC (07-Jul-2017)
Base Number:
Frequency Range:
60MHz to 1GHz
Operating Temperature Range:
-40°C to +85°C
RF Type:
Supply Voltage Range:
1.7V to 1.89V 3.135V to 3.465V
Termination Type:
Surface Mount Device

Alternate Descriptions

RS Components
Quadrature Digital Upconverter
Newark Electronics
IC, MODULATOR, IQ, UPCONVERTOR, SMD; Frequency Min:60MHz; Frequency Max:1GHz; Supply Voltage Min:1.71V; Supply Voltage Max:1.89V; RF IC Case Style:TQFP; No. of Pins:100Pins; Operating Temperature Min:-40°C; Operating Temperature RoHS Compliant: Yes
Richardson RFPD
RS Components UK
Quadrature Digital Upconverter
RS Components DE
Analog Devices AD9957BSVZ Digitaler Quadratur-Aufwärtswandler, TQFP 100-Pin Montage-Typ : SMD Abmessungen : 14 x 14 x 1mm Länge : 14mm Betriebstemperatur max. : +85 °C Betriebstemperatur min. : –40 °C
RS Components HK
Quadrature Digital Upconverter
RS Components JP
RS Components FR
Quadrature Digital Upconverter
RS Components CN
Quadrature Digital Upconverter
RS Components ES
Quadrature Digital Upconverter
RS Components NL
Quadrature Digital Upconverter
RS Components NO
Quadrature Digital Upconverter
RS Components US
Quadrature Digital Upconverter
RS Components SG
Quadrature Digital Upconverter
RS Components TW
Quadrature Digital Upconverter