ADC31JB68 Texas instruments

ADC31JB68

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ADC31JB68

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Описание

The ADC31JB68 is a low-power, wide-bandwidth, 16-bit, 500-MSPS analog-to-digital converter (ADC). The buffered analog input provides uniform input impedance across a wide frequency range while minimizing sample-and-hold glitch energy. This device is designed to sample input signals of up to 1.3 GHz. The ADC31JB68 provides excellent spurious-free dynamic range (SFDR) over a large input frequency range with very-low power consumption. On-chip dither provides an very-clean noise floor. Embedded foreground and background calibration provides consistent performance over the temperature range, and minimizes part-to-part variation.This device supports the JESD204B serial interface with data rates up to 5 Gbps on each of two lanes, enabling high system integration density. The ADC31JB68 comes in a 6-mm × 6-mm, 40-pin QFN package.

Single Channel
16-Bit Resolution
Maximum Clock Rate: 500 Msps
Small 40-Pin QFN Package (6 x 6 mm)
Input Buffer Input Bandwidth (3 dB): 1300 MHz
Aperture Jitter: 80 fs
On Chip Clock Divider: /1, /2, /4
On Chip Dither
Consistent Dynamic Performance Using Foreground and Background Calibration
Input Amplitude and Phase Adjustment
Input Full Scale: 1.7 Vpp
Power Supplies: 1.2/1.8/3 V
JESD204B Interface
- Subclass 1 Compliant
- 2 Lanes at 5 Gbps
Support for Multi-chip Synchronization
Key Specifications
- Power Dissipation: 915 mW at 500 Msps
- Performance at f_in = 210 MHz at –1 dBFS
  - SNR: 69.3 dBFS
  - NSD: –153.3 dBFS/Hz
  - SFDR: 80 dBc
  - Non-HD2,HD3: –91 dBFS
- Performance at fin = 450 MHz at –1 dBFS
  - SNR: 67 dBFS
  - NSD: –151 dBFS/Hz
  - SFDR: 77 dBc HD2,3
  - Non-HD2,HD3: –89 dBFS

Sample rate (max) (Msps)	500
Resolution (Bits)	16
Number of input channels	1
Interface type	JESD204B
Analog input BW (MHz)	1300
Features	High Performance
Rating	Catalog
Peak-to-peak input voltage range (V)	1.7
Power consumption (typ) (mW)	915
Architecture	Pipeline
SNR (dB)	70.6
ENOB (Bits)	11.3
SFDR (dB)	83
Operating temperature range (°C)	-40 to 85
Input buffer	Yes