ADS52J90 Datasheet, PDF (1/149 Pages) Texas Instruments – Multichannel, Low-Power, High-Speed ADC

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ADS52J90
SBAS690B – MAY 2015 – REVISED AUGUST 2015
ADS52J90 10-Bit, 12-Bit, 14-Bit, Multichannel, Low-Power, High-Speed ADC with
LVDS, JESD Outputs
1 Features
•1 16-Channel ADC Configurable to Convert
8, 16, or 32 Inputs
• 10-, 12-, and 14-Bit Resolution Modes
• Maximum ADC Conversion Rate:
– 100 MSPS in 10-Bit Mode
– 80 MSPS in 12-Bit Mode
– 65 MSPS in 14-Bit Mode
• 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
• LVDS Outputs with 16X, 14X, 12X, and 10X
Serialization
• 5-Gbps JESD Interface:
– Supported in 16-Input and 32-Input Modes
– JESD204B Subclass 0, 1, and 2
– 2, 4, or 8 Channels per JESD Lane
• Optional Digital I-Q Demodulator ⁽¹⁾
• Supplies: 1.2 V, 1.8 V
• 2-V_PP Differential Input, 0.8-V Common-Mode
• Differential or Single-Ended Input Clock
• Signal-to-Noise Ratio (SNR):
– 61 dBFS in 10-Bit Mode
– 70 dBFS in 12-Bit Mode
– 73.5 dBFS in 14-Bit Mode
• Power at 100 MSPS: 41 mW/Channel
• Package: NFBGA-198 (9 mm × 15 mm)
• Pb-Free (RoHS Compliant) and Green
2 Applications
• Ultrasound Imaging
• Portable Instrumentation
• SONAR and RADAR
• High-Speed Multichannel Data Acquisition
3 Description
The ADS52J90 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 100 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 NUMBER
PACKAGE
BODY SIZE (NOM)
ADS52J90
NFBGA (198)
9.00 mm × 15.00 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
AVDD_1P8
Simplified Schematic
DVDD_1P2 DVDD_1P8
VCM
INP1
INM1
INP2
INM2
INP31
INM31
INP32
INM32
Reference
Generator
ADC 1
ADC 16
DOUTP1
DOUTM1
DOUTP2
DOUTM2
DOUTP16
DOUTM16
FCLKP
FCLKM
DCLKP
DCLKM
CML1_OUTP
CML1_OUTM
CLKP
CLKM
Clock
Generator
SYNC
Generator
CML8_OUTP
CML8_OUTM
Serial
Interface
SDOUT
(1) Not detailed in this document. For details and information,
contact factory.
1
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.