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.