IC Phoenix logo

Home ›  A  › A24 > AD9777BSVZ

AD9777BSVZ from AD,Analog Devices

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

AD9777BSVZ

Manufacturer: AD, ADI

16-Bit, 160 MSPS 2x/4x/8x Interpolating Dual TxDAC D/A Converter

Partnumber Manufacturer Quantity Availability
AD9777BSVZ AD, ADI 233 In Stock

Description and Introduction

16-Bit, 160 MSPS 2x/4x/8x Interpolating Dual TxDAC D/A Converter The AD9777BSVZ is a high-performance, dual-channel, 16-bit digital-to-analog converter (DAC) manufactured by Analog Devices. It is designed for applications requiring high dynamic range and low distortion, such as wireless infrastructure, broadband communications, and medical imaging. Key specifications include:

- **Resolution**: 16 bits
- **Number of Channels**: 2 (Dual)
- **Interface Type**: Parallel
- **Sampling Rate**: Up to 400 MSPS (Mega Samples Per Second)
- **Output Type**: Current
- **Supply Voltage**: 3.3 V
- **Power Consumption**: Typically 1.2 W at 400 MSPS
- **Package / Case**: 100-TQFP (Thin Quad Flat Package)
- **Operating Temperature Range**: -40°C to +85°C
- **Differential Nonlinearity (DNL)**: ±0.5 LSB (Least Significant Bit)
- **Integral Nonlinearity (INL)**: ±2 LSB
- **Spurious-Free Dynamic Range (SFDR)**: 80 dBc at 100 MHz output
- **Signal-to-Noise Ratio (SNR)**: 78 dB at 100 MHz output

These specifications are based on typical operating conditions and may vary depending on specific application requirements.

Application Scenarios & Design Considerations

16-Bit, 160 MSPS 2x/4x/8x Interpolating Dual TxDAC D/A Converter# AD9777BSVZ Technical Documentation

## 1. Application Scenarios

### Typical Use Cases
The AD9777BSVZ is a 16-bit, 160 MSPS dual transmit digital-to-analog converter (DAC) primarily employed in  high-performance communication systems  and  signal processing applications . Key use cases include:

-  Digital Communication Transmitters : Baseband I/Q modulation in wireless infrastructure equipment (LTE, 5G, WiMAX)
-  Direct Digital Synthesis (DDS) Systems : Waveform generation for test and measurement equipment
-  Medical Imaging Systems : Ultrasound beamforming and medical instrumentation
-  Radar Systems : Pulse generation and signal conditioning in defense applications
-  Professional Audio Equipment : High-fidelity digital audio signal reconstruction

### Industry Applications
 Telecommunications : Cellular base stations, microwave links, and satellite communication systems leverage the AD9777BSVZ's high dynamic performance and modulation capabilities.

 Test and Measurement : Arbitrary waveform generators, signal analyzers, and automated test equipment utilize the device's precise signal generation capabilities.

 Medical Electronics : Ultrasound systems benefit from the dual DAC architecture for beamforming applications requiring precise phase and amplitude control.

 Military/Aerospace : Radar systems and electronic warfare equipment employ the component for its robust performance in demanding environments.

### Practical Advantages and Limitations
 Advantages :
-  High Dynamic Performance : 78 dBc SFDR at 20 MHz output
-  Dual DAC Architecture : Enables complex I/Q modulation schemes
-  Integrated 2×/4× Interpolators : Reduce input data rate requirements
-  Flexible Clocking : Supports various reference clock configurations
-  Low Power Operation : 380 mW at 160 MSPS (typical)

 Limitations :
-  Complex Interface : Requires careful timing alignment for parallel data interface
-  Power Supply Sensitivity : Demands high-quality power supply filtering
-  Thermal Management : May require heatsinking in high-ambient temperature environments
-  Cost Considerations : Premium pricing compared to single-channel alternatives

## 2. Design Considerations

### Common Design Pitfalls and Solutions
 Timing Violations :
-  Problem : Setup/hold time violations in parallel data interface
-  Solution : Implement precise clock distribution and data valid signaling

 Clock Jitter :
-  Problem : Excessive phase noise degrading SFDR performance
-  Solution : Use low-jitter clock sources and proper clock tree design

 Power Supply Noise :
-  Problem : PSRR limitations affecting dynamic performance
-  Solution : Implement multi-stage filtering (ferrite beads + LDO regulators)

### Compatibility Issues
 Digital Interface :
- Compatible with 3.3V CMOS logic families
- May require level translation when interfacing with 1.8V or 2.5V systems

 Clock Distribution :
- Requires compatible clock drivers (e.g., AD951x series)
- Sensitive to clock source phase noise characteristics

 Analog Output :
- Direct compatibility with differential RF mixers
- May require external reconstruction filters for specific applications

### PCB Layout Recommendations
 Power Supply Routing :
- Use separate power planes for analog and digital supplies
- Implement star-point grounding at device AGND/DGND pins
- Place decoupling capacitors (0.1 μF ceramic + 10 μF tantalum) within 5 mm of supply pins

 Signal Routing :
- Route differential analog outputs with controlled impedance (50Ω)
- Maintain symmetrical routing for I and Q channels
- Keep digital traces away from sensitive analog sections

 Thermal Management :
- Provide adequate copper pour for heat dissipation
- Consider thermal vias under exposed pad for enhanced cooling
- Monitor junction temperature in high-ambient applications

## 3. Technical Specifications

### Key Parameter Explanations
 Resolution : 16-bit providing

Alternative Part Number

  • DAC5672IPFB --: Dual 14-bit high-speed DAC with similar resolution and update rate, suitable as a functional replacement in many signal-generation designs.
  • AD9767ASTZ --: Same-family dual 14-bit TxDAC with comparable architecture and performance, often used as a drop-in upgrade path.
  • LTC1668IG --: 16-bit high-speed current-output DAC offering higher resolution and similar interface, usable where board layout allows.
  • LTC1668IG#PBF --: 16-bit high-speed current-output DAC from Linear Technology (now ADI) with similar resolution and update rate, suitable for communications and waveform generation applications.
  • DAC908E --: 8-bit 165 MSPS current-steering DAC with comparable speed class and pin-compatible style interface, a common alternative for high-speed signal synthesis.
  • AD9744ARUZ --: 14-bit 210 MSPS TxDAC in the same ADI high-speed DAC family, offering similar functionality and interface for transmit-path designs.

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips