DAC5652
- 10-Bit Dual Transmit Digital-to-Analog Converter (DAC)
- 275 MSPS Update Rate
- Single Supply: 3.0 V to 3.6 V
- High Spurious-Free Dynamic Range (SFDR): 80 dBc at 5 MHz
- High Third-Order Two-Tone Intermodulation (IMD3): 78 dBc at 15.1 MHz and 16.1 MHz
- Independent or Single Resistor Gain Control
- Dual or Interleaved Data
- On-Chip 1.2-V Reference
- Low Power: 290 mW
- Power-Down Mode: 9 mW
- Package: 48-Pin Thin-Quad Flat Pack (TQFP)
The DAC5652 is a monolithic, dual-channel, 10-bit, high-speed DAC with on-chip voltage reference.
Operating with update rates of up to 275 MSPS, the DAC5652 offers exceptional dynamic performance, tight-gain, and offset matching characteristics that make it suitable in either I/Q baseband or direct IF communication applications.
Each DAC has a high-impedance, differential-current output, suitable for single-ended or differential analog-output configurations. External resistors allow scaling of the full-scale output current for each DAC separately or together, typically between 2 mA and 20 mA. An accurate on-chip voltage reference is temperature-compensated and delivers a stable 1.2-V reference voltage. Optionally, an external reference may be used.
The DAC5652 has two, 10-bit, parallel input ports with separate clocks and data latches. For flexibility, the DAC5652 also supports multiplexed data for each DAC on one port when operating in the interleaved mode.
The DAC5652 has been specifically designed for a differential transformer-coupled output with a 50-Ω doubly-terminated load. For a 20-mA full-scale output current, both a 4:1 impedance ratio (resulting in an output power of 4 dBm) and 1:1 impedance ratio transformer (–2 dBm output power) are supported.
The DAC5652 is available in a 48-pin TQFP package. Pin compatibility between family members provides 10-bit (DAC5652), 12-bit (DAC5662), and 14-bit (DAC5672) resolution. Furthermore, the DAC5652 is pin compatible to the DAC2900 and AD9763 dual DACs. The device is characterized for operation over the industrial temperature range of –40°C to 85°C.
技術文件
| 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | DAC5652 Dual, 10-BIT 275 MSPS Digital-to-Analog Converter datasheet (Rev. E) | PDF | HTML | 2020年 11月 16日 |
| Application note | Wideband Complementary Current Output DAC Single-Ended Interface (Rev. A) | 2015年 5月 8日 | ||
| Application note | High Speed, Digital-to-Analog Converters Basics (Rev. A) | 2012年 10月 23日 | ||
| Application note | Passive Terminations for Current Output DACs | 2008年 11月 10日 | ||
| EVM User's guide | DAC5672/62/52 14- and 12-Bit Dual Channel DAC EVM (Rev. B) | 2006年 3月 24日 |
設計與開發
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MATCHGAIN-CALC — 寬頻補償電流輸出 DAC 至 SE 介面：改善增益和合規電壓擺幅的匹配
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High-speed digital-to-analog converters (DACs) most often use a (...)
PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| TQFP (PFB) | 48 | Ultra Librarian |
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