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Updated at 17/06/2025 10:30:15(UTC+8)
Certifications
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Description
- GENERAL DESCRIPTION
- 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 for 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.
- FEATURES
- 1 GSPS internal clock speed (up to 400 MHz analog output)
- Integrated 1 GSPS 14-bit DAC
- 250 MHz I/Q data throughput rate
- Phase noise ≤ −125 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 4× to 252×
- 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
- APPLICATIONS
- HFC data, telephony, and video modems
- Wireless base station transmission
- Broadband communications transmissions
- Internet telephony
AD9957 Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Show | |
| Product Lifecycle Status | Recommended for New Designs |
Order guide
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PayPal. Customer is responsible for shipping fee, bank
charges, duties and taxes.
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- You can choose whether shipping charges will be charged through your shipping account or by us.
- Please confirm with the logistics company in advance for remote areas.
(Additional charges ($35-$50) may apply for delivery in these areas)
- Delivery date: usually 2 to 7 working days.
- A tracking number will be sent after your order ships.
- - Carefully inspected and packed by ManyChip warehouse - Vacuum packaging - Anti-static packaging - Shockproof foam
- The terms here are for reference only, the actual terms are subject to the sales quotation. - Please confirm product specifications when ordering. - MOQ refers to the minimum order quantity required to purchase each part. - If you have special ordering instructions, please indicate them on the ordering page. - Inspection (PSI) will be performed prior to shipment.
- - Income Quality Control (IQC), 1000+ qualified dealers. - Chips are tested by authoritative organizations to ensure the quality, authenticity and safety of your device. - Decapsulation control - X-ray control - XRF inspection - Electrical testing - Surface testing -Digital components warehouse, covering an area of 800 square meters, with constant temperature and humidity
Contact Us
If you have any problem,please email to sales@manychip.com, we will response as soon as possisble.
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