ADS54J66 Texas instruments

ADS54J66

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ADS54J66

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Описание

The ADS54J66 is a low-power, wide-bandwidth, 14-bit, 500-MSPS, quad-channel, telecom receiver device. The ADS54J66 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 ADS54J66 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 200-MHz receive bandwidth.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, which is used to serialize the 14-bit data from each channel.

Quad channel
14-Bit resolution
Maximum clock rate: 500 MSPS
Input bandwidth (3 dB): 900 MHz
On-chip dither
Analog Input buffer with high-impedance input
Output options:
- Rx: decimate-by-2 and -4 options with Low-Pass lFilter
- 200-MHz Complex bandwidth or 100-MHz real bandwidth support
- DPD FB: 500 MSPS
1.9-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)
Key specifications:
- Power dissipation: 675 mW/ch
- Spectral performance (un-decimated)
  - f_IN = 190 MHz IF at –1 dBFS:
    - SNR: 69.5 dBFS
    - NSD: –153.5 dBFS/Hz
    - SFDR: 86 dBc (HD2, HD3), 93 dBFS (Non HD2, HD3)
  - f_IN = 370 MHz IF at –3 dBFS:
    - SNR: 68.5 dBFS
    - NSD: –152.5 dBFS/Hz
    - SFDR: 81 dBc (HD2, HD3), 86 dBFS (Non HD2, HD3)

Sample rate (max) (Msps)	500
Resolution (Bits)	14
Number of input channels	4
Interface type	JESD204B
Analog input BW (MHz)	900
Features	High Performance
Rating	Catalog
Peak-to-peak input voltage range (V)	1.9
Power consumption (typ) (mW)	2700
Architecture	Pipeline
SNR (dB)	74.1
ENOB (Bits)	11.4
SFDR (dB)	97
Operating temperature range (°C)	-40 to 85
Input buffer	Yes