Texas Instruments ADS52J91 Handleiding

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ADS52J91 10-Bit, 12-Bit, 14-Bit, Multichannel, Low-Power, High-Speed ADC

With LVDS, JESD Outputs

1 Features

•16-Channel ADC configurable to convert

8, 16, or 32 inputs

•Maximum ADC Conversion Rate:

–125 MSPS in 10-bit mode

–100 MSPS in 12-bit mode

–65 MSPS in 14-bit mode

•Supplies: 1.2 V, 1.8 V

•Differential or single-ended input Clock

•Signal-to-noise ratio (SNR):

–61 dBFS in 10-bit mode

–69 dBFS in 12-bit mode

–73.5 dBFS in 14-Bit Mode

•Power at 125 MSPS: 48.6 mW/channel

•16 ADCs configurable to convert:

–8 Inputs with a sampling rate of a 2X ADC

conversion rate

–16 Inputs with a sampling rate of a 1X ADC

conversion rate

–32 Inputs with a sampling rate of a 0.5X ADC

conversion rate

•1 Gbps LVDS interface with 16X, 14X, 12X, and

10X serialization

•5 Gbps JESD interface:

–JESD204B Subclass 0, 1, and 2

–2, 4, or 8 Channels per JESD lane

•Package: NFBGA-198 (9 mm × 15 mm)

2 Applications

•Ultrasound imaging

•Portable instrumentation

•Sonar and Radar

•High-speed multichannel data acquisition

3 Description

The ADS52J91 is a low-power, high-performance,

16-channel, analog-to-digital converter (ADC). The

conversion rate of each ADC goes up to a maximum

of 125 MSPS in 10-bit mode. The maximum

conversion rate reduces when the ADC resolution is

set to a higher value.

The device can be configured to accept 8, 16, or

32 inputs. In 32-input mode, each ADC alternately

samples and converts two different inputs each at

an effective sampling rate that is half of the ADC

conversion rate. In 8-bit input mode, two ADCs

convert the same input in an interleaved manner,

resulting in an effective sampling rate that is twice the

ADC conversion rate. The ADC is designed to scale

its power with the conversion rate.

Device Information

PART NUMBERPACKAGEBODY SIZE (NOM)

ADS52J91NFBGA (198)9.00 mm × 15.00 mm

Simplified Schematic

ADS52J91

SBASAF8 – SEPTEMBER 2021

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

Product specificaties