ADS62PF49 Texas instruments

ADS62PF49

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ADS62PF49

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Описание

The ADS62PF49 is a dual-channel feedback reciever IC with sampling rates up to 250 MSPS. It allows a high-resolution, 14-bit output for a limited time followed by a low-resolution mode with a minimum of 8x longer time. It is pin-compatible to the ADS62P49 and ADS62C17 dual ADCs. The ADS62PF49 has gain options that can be used to improve SFDR performance at lower full-scale input ranges. It includes a dc offset correction loop that can be used to cancel the analog-to-digital conversion (ADC) offset. It includes internal references while the traditional reference pins and associated decoupling capacitors have been eliminated. The device is specified over the industrial temperature range (–40°C to 85°C).

Maximum Output Sample Rate: 250 MSPS
Pin-Compatible with ADS62P49
Variable Output Resolution
- High Resolution Burst Mode with 14-Bit Output: 73 dB SNR at Low IF,
  70.5 dB SNR at 170 MHz
- Low Resolution with 9-Bit 250 MSPS or 11-Bit 125 MSPS
Double Data Rate (DDR) LVDS Output
Programmable Gain up to 6 dB for SNR/SFDR Trade-off
90-dB Cross-Talk
Power Consumption of 1.25 W
64-Pin QFN Package (9 mm × 9 mm)

APPLICATIONS

Feedpath Path for Multi-Carrier, Multi-Mode Cellular Infrastructure Base Stations

Number of input channels	2
Resolution (Bits)	14
Sample rate (max) (Msps)	250
Features	Decimating Filter, Differential Inputs, High Dynamic Range, Nap Mode, Out of Range Indicator, Power Down
Analog input BW (MHz)	800
SFDR (typ) (dB)	89
SNR (typ) (dB)	73.4
Power consumption (typ) (mW)	1250
Operating temperature range (°C)	-40 to 85
Rating	Catalog