ADS58J64 Texas instruments

ADS58J64

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ADS58J64

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Описание

The ADS58J64 is a low-power, wide-bandwidth, 14-bit, 1-GSPS, quad-channel, telecom receiver device. The ADS58J64 supports a JESD204B serial interface with data rates up to 10 Gbps with one lane per channel. The buffered analog input provides uniform input impedance across a wide frequency range and minimizes sample-and-hold glitch energy. The ADS58J64 provides excellent spurious-free dynamic range (SFDR) over a large input frequency range with very low power consumption. The digital signal processing block includes complex mixers followed by low-pass filters with decimate-by-2 and -4 options supporting up to a 200-MHz receive bandwidth. The ADS58J64 also supports a 14-bit, 500-MSPS output in burst mode, making the device suitable for a digital pre-distortion (DPD) observation receiver.The JESD204B interface reduces the number of interface lines, thus allowing high system integration density. An internal phase-locked loop (PLL) multiplies the incoming analog-to-digital converter (ADC) sampling clock to derive the bit clock that is used to serialize the 14-bit data from each channel.

Quad Channel
14-Bit Resolution
Maximum Sampling Rate: 1 GSPS
Maximum Output Sample Rate: 500 MSPS
Analog Input Buffer With High-Impedance Input
Input 3-dB Bandwidth: 1 GHz
Output Options:
- Rx: Decimate-by-2 and -4 Options With Low-Pass Filter
- 200-MHz Complex Bandwidth or 100-MHz Real Bandwidth Support
- DPD FB: 2x Decimation With 14-Bit Burst Mode Output
1.1-V_PP Differential Full-Scale Input
JESD204B Interface:
- Subclass 1 Support
- 1 Lane per ADC Up to 10 Gbps
- Dedicated SYNC Pin for Pair of Channels
Support for Multi-Chip Synchronization
72-Pin VQFN Package (10 mm × 10 mm)
Power Dissipation: 625 mW/Ch
Spectral Performance (Burst Mode, High Resolution):
- f_IN = 190 MHz IF at –1 dBFS:
  - SNR: 69 dBFS
  - NSD: –153 dBFS/Hz
  - SFDR: 86 dBc (HD2, HD3), 95 dBFS (Non HD2, HD3)
- f_IN = 370 MHz IF at –3 dBFS:
  - SNR: 68.5 dBFS
  - NSD: –152.5 dBFS/Hz
  - SFDR: 80 dBc (HD2, HD3), 86 dBFS (Non HD2, HD3)

Number of input channels	4
Resolution (Bits)	14
Sample rate (max) (Msps)	1000
Features	Decimating Filter, Differential Inputs, High Dynamic Range, Nap Mode, Out of Range Indicator, Power Down
Analog input BW (MHz)	1000
SFDR (typ) (dB)	88
SNR (typ) (dB)	69.6
Power consumption (typ) (mW)	2500
Operating temperature range (°C)	-40 to 85
Rating	Catalog