SBASAI7
March 2023
ADC34RF52
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics - Power Consumption
6.6
Electrical Characteristics - DC Specifications
6.7
Electrical Characteristics - AC Specifications (Dither DISABLED)
6.8
Electrical Characteristics - AC Specifications (Dither ENABLED)
6.9
Timing Requirements
6.10
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Analog Inputs
7.3.1.1
Input Bandwidth and Full-Scale
7.3.1.2
Input Imbalance
7.3.1.3
Overrange Indication
7.3.1.4
Analog out-of-band dither
7.3.2
Sampling Clock Input
7.3.3
SYSREF
7.3.3.1
SYSREF Capture Detection
7.3.4
ADC Foreground Calibration
7.3.4.1
Calibration Control
7.3.4.2
ADC Switch
7.3.4.3
Calibration Configuration
7.3.5
Decimation Filter
7.3.5.1
Decimation Filter Response
7.3.5.2
Decimation Filter Configuration
7.3.5.3
20-bit Output Mode
7.3.5.4
Numerically Controlled Oscillator (NCO)
7.3.5.5
NCO Frequency programming using the SPI interface
7.3.5.6
Fast Frequency Hopping
7.3.5.6.1
Fast frequency hopping using the GPIO1/2 pins
7.3.5.6.2
Fast frequency hopping using GPIO1/2, SEN and SDATA pins
7.3.5.6.3
Fast frequency hopping using the fast SPI
7.3.6
JESD204B Interface
7.3.6.1
JESD204B Initial Lane Alignment (ILA)
7.3.6.1.1
SYNC Signal
7.3.6.2
JESD204B Frame Assembly
7.3.6.2.1
JESD204B Frame Assembly in Bypass Mode
7.3.6.2.2
JESD204B Frame Assembly with Real Decimation - Single Band
7.3.6.2.3
JESD204B Frame Assembly with Decimation - Single Band
7.3.6.2.4
JESD204B Frame Assembly with Decimation - Dual Band
7.3.6.3
SERDES Output MUX
7.3.7
Test Pattern
7.3.7.1
Transport Layer
7.3.7.2
Link Layer
7.3.7.3
Internal Capture Memory Buffer
7.4
Device Functional Modes
7.4.1
Bypass Mode
7.4.2
Digital Averaging
7.5
Programming
7.5.1
GPIO Pin Control
7.5.2
Configuration using the SPI interface
7.5.2.1
Register Write
7.5.2.2
Register Read
7.6
Register Maps
7.6.1
Detailed Register Description
8
Application Information Disclaimer
8.1
Application Information
8.2
Typical Application
8.2.1
Wideband RF Sampling Receiver
8.2.2
Design Requirements
8.2.2.1
Input Signal Path
8.2.2.2
Clocking
8.2.3
Detailed Design Procedure
8.2.3.1
Sampling Clock
8.2.4
Application Curves
8.3
Initialization Set Up
8.3.1
Initial Device Configuration After Power-Up
8.3.1.1
STEP 1: RESET
8.3.1.2
STEP 2: Device Configuration
8.3.1.3
STEP 3: JESD Interface Configuration (1)
8.3.1.4
STEP 4: SYSREF Synchronization
8.3.1.5
STEP 5: JESD Interface Configuration (2)
8.3.1.6
STEP 6: Analog Trim Settings
8.3.1.7
STEP 7: Calibration Configuration
8.3.1.8
STEP 8: SYSREF Synchronization
8.3.1.9
STEP 9: Run Power up Calibration
8.3.1.10
Step 10: JESD Interface Synchronization
8.4
Power Supply Recommendations
8.5
Layout
8.5.1
Layout Guidelines
8.5.2
Layout Example
9
Device and Documentation Support
9.1
Receiving Notification of Documentation Updates
9.2
Support Resources
9.3
Trademarks
9.4
Electrostatic Discharge Caution
9.5
Glossary
10
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RTD|64
MPQF141C
Thermal pad, mechanical data (Package|Pins)
RTD|64
QFND625
Orderable Information
sbasai7_oa
1
Features
14-Bit, Quad channel 1.5-GSPS ADC
Noise spectral density:
-153 dBFS/Hz without averaging
-156 dBFS/Hz with 2x averaging
Single core (non-interleaved) ADC architecture
Aperture jitter: 50 fs
Low close-in residual phase noise:
-133 dBc/Hz at 10 kHz offset
Spectral performance (f
IN
= 900 MHz, -4 dBFS):
2x internal averaging
SNR: 65.2 dBFS
SFDR HD2,3: 74 dBc
SFDR worst spur: 90 dBFS
Input fullscale: 1.0/1.1Vpp (1/1.8 dBm)
Full power input bandwidth (-3 dB): 1.6 GHz
JESD204B serial data interface
Maximum lane rate: 13 Gbps
Supports subclass 1 deterministic latency
Digital down-converters
Up to two DDC per ADC channel
Complex output: 4x to 128x decimation
48-bit NCO phase coherent frequency hopping
Fast frequency hopping: < 1 µs
Power consumption: 0.73 W/channel (1x AVG)
Power supplies: 1.8 V, 1.2 V