DAC38RF96 Texas instruments

DAC38RF96

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DAC38RF96

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Описание

The DAC38RF86/96 is a family of high-performance, dual-channel, 14-bit, 9-GSPS, RF-sampling digital-to-analog converters (DACs) that are capable of synthesizing wideband signals from 0 to 4.5 GHz. The DAC38RF87/97 is also a family of high-performance, dual-channel, 14-bit, 6-GSPS, RF-sampling digital-to-analog converters (DACs) that are capable of synthesizing wideband signals from 0 to 3 GHz. A high dynamic range allows the DAC38RFxx family to generate signals for a wide range of applications including 3G/4G signals for wireless base-stations and radar.The devices feature a low-power JESD204B Interface with up to 8 lanes with a maximum bit rate of 12.5 Gbps allowing an input data rate of 1.25 GSPS complex per channel. The DAC38RFxx provides two digital up-converters per channel, with multiple options for interpolation rates. A digital quadrature modulator with independent, frequency flexible NCOs are available to support multi-band operation. A GSM compliant low phase noise PLL/VCO is integrated to simplify the DAC sampling clock generation by allowing the use of a lower frequency reference clock

14-Bit Resolution
Maximum DAC Sample Rate:
- 9.0 GSPS (DAC38RF86, DAC38RF96)
- 6.2 GSPS (DAC38RF87, DAC38RF97)
Key Specifications:
- RF Full-Scale Output Power at 2.1 GHz:0 dBm
- Spectral Performance, DAC38RF87/97
  - f_DAC = 5898.24 MSPS, f_OUT = 2.14 GHz
    - WCDMA ACLR: 73 dBc
    - WCDMA alt-ACLR: 77 dBc
- Spectral Performance, DAC38RF86/96
  - f_DAC = 8847.36 MSPS, f_OUT = 3.7 GHz
    - 20 MHz LTE ACLR: 66 dBc
  - f_DAC = 9 GSPS, f_OUT = 1.8 GHz, –6 dBFS
    - IMD3 = 70 dBc (10-MHz tone spacing)
Dual-Band Digital Up-converter per DAC
- 6, 8, 10, 12, 16, 18, 20 or 24x Interpolation
- 4 Independent NCOs With 48-Bit Resolution
JESD204B Interface, Subclass 1
- Support for Multichip Synchronization
- Maximum Lane Rate: 12.5 Gbps
Single-Ended Output With Integrated Balun Covering 700 MHz to 3800 MHz
Internal PLL and VCO
- DAC38RF86/96: f_C(VCO) = 8.85 GHz
- DAC38RF87/97: f_C(VCO) = 5.90 GHz
Power Dissipation: 1.4 to 2.2 W/ch
Power Supplies: –1.8 V, 1 V, 1.8 V
Package: 10 x 10 mm BGA, 0.8 mm Pitch, 144-Balls

Frequency (min) (MHz)	700
Frequency (max) (MHz)	3800
Resolution (Bits)	14
Sample/update rate (Msps)	9000
Number of DAC channels	2
Interpolation	12x, 16x, 18x, 20x, 24x
Output type	Single-ended
Power consumption (typ) (mW)	3800
Operating temperature range (°C)	-40 to 85
Rating	Catalog