DAC5670-SP - 14 位 2.4GSPS 数模转换器

DAC5670-SP是TI德州仪器公司的一款高速DAC(>10MSPS)产品，DAC5670-SP是14 位 2.4GSPS 数模转换器，本站介绍了DAC5670-SP的封装应用图解、特点和优点、功能等，并给出了与DAC5670-SP相关的TI元器件型号供参考。

DAC5670-SP - 14 位 2.4GSPS 数模转换器 - 高速DAC(>10MSPS) - 数模转换器 - 德州仪器

产品特性

14-Bit Resolution
2.4-GSPS Max Update Rate DAC
Dual Differential Input Ports
- Even/Odd Demultiplexed Data
- Maximum 1.2 GSPS Each Port, 2.4 GSPS Total
- Dual 14-Bit Inputs + 1 Reference Bit
- DDR Output Clock
- DLL Optimized Clock Timing Synchronized to Reference Bit
- LVDS and HyperTransport™ Voltage Level Compatible
- Internal 100-Ω Terminations for Data and Reference Bit Inputs
Selectable 2× Interpolation With Fs / 2 Mixing
Differential Scalable Current Outputs: 5 to 30 mA
On-Chip 1.2-V Reference
3.3-V Analog Supply Operation
Power Dissipation: 2 W
192-Ball CBGA (GEM) Package
QML-V Qualified, SMD 5962-07247
Military Temperature Range (–55°C to 125°C Tcase)

产品应用

Test and Measurement: Arbitrary Waveform Generator
Communications
Engineering evaluation (/EM) samples are available (1)

(1) These units are intended for engineering evaluation only. They are processed to a non-compliant flow (that is, no burn-in, and so forth) and are tested to a temperature rating of 25°C only. These units are not suitable for qualification, production, radiation testing, or flight use. Parts are not warranted for performance over the full MIL specified temperature range of –55°C to 125°C or operating life.

产品说明

The DAC5670 is a 14-bit 2.4-GSPS DAC with dual demultiplexed differential input ports. The DAC5670 is clocked at the DAC sample rate and the two input ports run at a maximum of 1.2 GSPS. An additional reference bit input sequence is used to adjust the output clock delay to the data source, optimizing the internal data latching clock relative to this reference bit with a delay lock loop (DLL). Alternatively, the DLL may be bypassed and the timing interface managed by controlling DATA setup and hold timing to DLYCLK.

The DAC5670 can also accept data up to 1.2 GSPS using only the A input port. In the single port modes, options include: repeating the input sample (A_ONLY mode), 2× interpolation by zero stuff (A_ONLY_ZS mode), or 2× interpolation by repeating and inverting the input sample (A_ONLY_INV). These modes are used to double the input sample rate up to 2.4 GSPS.

The DAC5670 operates with a single 3- to 3.6-V supply voltage. Power dissipation is 2 W at maximum operating conditions. The DAC5670 provides a nominal full-scale differential current-output of 20 mA, supporting both single-ended and differential applications. An on-chip 1.2-V temperature-compensated bandgap reference and control amplifier allows the user to adjust the full-scale output current from the nominal 20 mA to as low as 5 mA or as high as 30 mA.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
DAC5670-SP	CBGA (192)	19.00 mm × 19.00 mm

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