SBAS774B
May 2016 – December 2021
ADC32RF80
,
ADC32RF83
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
6.6
AC Performance Characteristics: fS = 2949.12 MSPS
6.7
AC Performance Characteristics: fS = 2457.6 MSPS (Performance Optimized for F + A + D Band)
6.8
AC Performance Characteristics: fS = 2457.6 MSPS (Performance Optimized for F + A Band)
6.9
Digital Requirements
6.10
Timing Requirements
6.11
Typical Characteristics
7
Parameter Measurement Information
7.1
Input Clock Diagram
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Analog Inputs
8.3.1.1
Input Clamp Circuit
8.3.2
Clock Input
8.3.3
SYSREF Input
8.3.3.1
Using SYSREF
8.3.3.2
Frequency of the SYSREF Signal
8.3.4
DDC Block
8.3.4.1
Operating Mode: Receiver
8.3.4.2
Operating Mode: Wide-Bandwidth Observation Receiver
8.3.4.3
Decimation Filters
8.3.4.3.1
Divide-by-4
8.3.4.3.2
Divide-by-6
8.3.4.3.3
Divide-by-8
8.3.4.3.4
Divide-by-9
8.3.4.3.5
Divide-by-10
8.3.4.3.6
Divide-by-12
8.3.4.3.7
Divide-by-16
8.3.4.3.8
Divide-by-18
8.3.4.3.9
Divide-by-20
8.3.4.3.10
Divide-by-24
8.3.4.3.11
Divide-by-32
8.3.4.3.12
Latency with Decimation Options
8.3.4.4
Digital Multiplexer (MUX)
8.3.4.5
Numerically-Controlled Oscillators (NCOs) and Mixers
8.3.5
NCO Switching
8.3.6
SerDes Transmitter Interface
8.3.7
Eye Diagrams
8.3.8
Alarm Outputs: Power Detectors for AGC Support
8.3.8.1
Absolute Peak Power Detector
8.3.8.2
Crossing Detector
8.3.8.3
RMS Power Detector
8.3.8.4
GPIO AGC MUX
8.3.9
Power-Down Mode
8.3.10
ADC Test Pattern
8.3.10.1
Digital Block
8.3.10.2
Transport Layer
8.3.10.3
Link Layer
8.4
Device Functional Modes
8.4.1
Device Configuration
8.4.2
JESD204B Interface
8.4.2.1
JESD204B Initial Lane Alignment (ILA)
8.4.2.2
JESD204B Frame Assembly
8.4.2.3
JESD204B Frame Assembly with Decimation (Single-Band DDC): Complex Output
8.4.2.4
JESD204B Frame Assembly with Decimation (Single-Band DDC): Real Output
8.4.2.5
JESD204B Frame Assembly with Decimation (Single-Band DDC): Real Output
8.4.2.6
JESD204B Frame Assembly with Decimation (Dual-Band DDC): Complex Output
8.4.2.7
JESD204B Frame Assembly with Decimation (Dual-Band DDC): Real Output
8.4.3
Serial Interface
8.4.3.1
Serial Register Write: Analog Bank
8.4.3.2
Serial Register Readout: Analog Bank
8.4.3.3
Serial Register Write: Digital Bank
8.4.3.4
Serial Register Readout: Digital Bank
8.4.3.5
Serial Register Write: Decimation Filter and Power Detector Pages
8.5
Register Maps
8.5.1
Example Register Writes
8.5.2
Register Descriptions
8.5.2.1
General Registers
8.5.2.1.1
Register 000h (address = 000h), General Registers
8.5.2.1.2
Register 002h (address = 002h), General Registers
8.5.2.1.3
Register 003h (address = 003h), General Registers
8.5.2.1.4
Register 004h (address = 004h), General Registers
8.5.2.1.5
Register 010h (address = 010h), General Registers
8.5.2.1.6
Register 011h (address = 011h), General Registers
8.5.2.1.7
Register 012h (address = 012h), General Registers
8.5.3
Master Page (M = 0)
8.5.3.1
Register 020h (address = 020h), Master Page
8.5.3.2
Register 032h (address = 032h), Master Page
8.5.3.3
Register 039h (address = 039h), Master Page
8.5.3.4
Register 03Ch (address = 03Ch), Master Page
8.5.3.5
Register 05Ah (address = 05Ah), Master Page
8.5.3.6
Register 03Dh (address = 3Dh), Master Page
8.5.3.7
Register 057h (address = 057h), Master Page
8.5.3.8
Register 058h (address = 058h), Master Page
8.5.4
ADC Page (FFh, M = 0)
8.5.4.1
Register 03Fh (address = 03Fh), ADC Page
8.5.4.2
Register 042h (address = 042h), ADC Page
8.5.5
Digital Function Page (610000h, M = 1 for Channel A and 610100h, M = 1 for Channel B)
8.5.5.1
Register A6h (address = 0A6h), Digital Function Page
8.5.6
Offset Corr Page Channel A (610000h, M = 1)
8.5.6.1
Register 034h (address = 034h), Offset Corr Page Channel A
8.5.6.2
Register 068h (address = 068h), Offset Corr Page Channel A
8.5.7
Offset Corr Page Channel B (610000h, M = 1)
8.5.7.1
Register 068h (address = 068h), Offset Corr Page Channel B
8.5.8
Digital Gain Page (610005h, M = 1 for Channel A and 610105h, M = 1 for Channel B)
8.5.8.1
Register 0A6h (address = 0A6h), Digital Gain Page
8.5.9
Main Digital Page Channel A (680000h, M = 1)
8.5.9.1
Register 000h (address = 000h), Main Digital Page Channel A
8.5.9.2
Register 0A2h (address = 0A2h), Main Digital Page Channel A
8.5.10
Main Digital Page Channel B (680001h, M = 1)
8.5.10.1
Register 000h (address = 000h), Main Digital Page Channel B
8.5.10.2
Register 0A2h (address = 0A2h), Main Digital Page Channel B
8.5.11
JESD Digital Page (6900h, M = 1)
8.5.11.1
Register 001h (address = 001h), JESD Digital Page
8.5.11.2
Register 002h (address = 002h ), JESD Digital Page
8.5.11.3
Register 003h (address = 003h), JESD Digital Page
8.5.11.4
Register 004h (address = 004h), JESD Digital Page
8.5.11.5
Register 006h (address = 006h), JESD Digital Page
8.5.11.6
Register 007h (address = 007h), JESD Digital Page
8.5.11.7
Register 016h (address = 016h), JESD Digital Page
8.5.11.8
Register 017h (address = 017h), JESD Digital Page
8.5.11.9
Register 032h-035h (address = 032h-035h), JESD Digital Page
8.5.11.10
Register 036h (address = 036h), JESD Digital Page
8.5.11.11
Register 037h (address = 037h), JESD Digital Page
8.5.11.12
Register 03Ch (address = 03Ch), JESD Digital Page
8.5.11.13
Register 03Eh (address = 03Eh), JESD Digital Page
8.5.12
Decimation Filter Page
8.5.12.1
Register 000h (address = 000h), Decimation Filter Page
8.5.12.2
Register 001h (address = 001h), Decimation Filter Page
8.5.12.3
Register 002h (address = 2h), Decimation Filter Page
8.5.12.4
Register 005h (address = 005h), Decimation Filter Page
8.5.12.5
Register 006h (address = 006h), Decimation Filter Page
8.5.12.6
Register 007h (address = 007h), Decimation Filter Page
8.5.12.7
Register 008h (address = 008h), Decimation Filter Page
8.5.12.8
Register 009h (address = 009h), Decimation Filter Page
8.5.12.9
Register 00Ah (address = 00Ah), Decimation Filter Page
8.5.12.10
Register 00Bh (address = 00Bh), Decimation Filter Page
8.5.12.11
Register 00Ch (address = 00Ch), Decimation Filter Page
8.5.12.12
Register 00Dh (address = 00Dh), Decimation Filter Page
8.5.12.13
Register 00Eh (address = 00Eh), Decimation Filter Page
8.5.12.14
Register 00Fh (address = 00Fh), Decimation Filter Page
8.5.12.15
Register 010h (address = 010h), Decimation Filter Page
8.5.12.16
Register 011h (address = 011h), Decimation Filter Page
8.5.12.17
Register 014h (address = 014h), Decimation Filter Page
8.5.12.18
Register 016h (address = 016h), Decimation Filter Page
8.5.12.19
Register 01Eh (address = 01Eh), Decimation Filter Page
8.5.12.20
Register 01Fh (address = 01Fh), Decimation Filter Page
8.5.12.21
Register 033h-036h (address = 033h-036h), Decimation Filter Page
8.5.12.22
Register 037h (address = 037h), Decimation Filter Page
8.5.12.22.1
Register 038h (address = 038h), Decimation Filter Page
8.5.12.22.2
Register 039h (address = 039h), Decimation Filter Page
8.5.12.23
Register 03Ah (address = 03Ah), Decimation Filter Page
8.5.13
Power Detector Page
8.5.13.1
Register 000h (address = 000h), Power Detector Page
8.5.13.2
Register 001h-002h (address = 001h-002h), Power Detector Page
8.5.13.3
Register 003h (address = 003h), Power Detector Page
8.5.13.4
Register 007h-00Ah (address = 007h-00Ah), Power Detector Page
8.5.13.5
Register 00Bh-00Ch (address = 00Bh-00Ch), Power Detector Page
8.5.13.6
Register 00Dh (address = 00Dh), Power Detector Page
8.5.13.7
Register 00Eh (address = 00Eh), Power Detector Page
8.5.13.8
Register 00Fh, 010h-012h, and 016h-019h (address = 00Fh, 010h-012h, and 016h-019h), Power Detector Page
8.5.13.9
Register 013h-01Ah (address = 013h-01Ah), Power Detector Page
8.5.13.10
Register 01Dh-01Eh (address = 01Dh-01Eh), Power Detector Page
8.5.13.11
Register 020h (address = 020h), Power Detector Page
8.5.13.12
Register 021h (address = 021h), Power Detector Page
8.5.13.13
Register 022h-025h (address = 022h-025h), Power Detector Page
8.5.13.14
Register 027h (address = 027h), Power Detector Page
8.5.13.15
Register 02Bh (address = 02Bh), Power Detector Page
8.5.13.16
Register 032h-035h (address = 032h-035h), Power Detector Page
8.5.13.17
Register 037h (address = 037h), Power Detector Page
8.5.13.18
Register 038h (address = 038h), Power Detector Page
9
Application and Implementation
9.1
Application Information
9.1.1
Start-Up Sequence
9.1.2
Hardware Reset
9.1.3
SNR and Clock Jitter
9.1.3.1
External Clock Phase Noise Consideration
9.1.4
Power Consumption in Different Modes
9.1.5
Using DC Coupling in the ADC32RF8x
9.1.5.1
Bypassing the Offset Corrector Block
9.1.5.1.1
Effect of Temperature
9.2
Typical Application
9.2.1
Design Requirements
9.2.1.1
Transformer-Coupled Circuits
9.2.2
Detailed Design Procedure
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
12.2
Receiving Notification of Documentation Updates
12.3
Support Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RMP|72
MPQF396A
RRH|72
MPQF526
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbas774b_oa
sbas774b_pm
1
Features
14-Bit, Dual-Channel, 3-GSPS ADC
Noise Floor: –155 dBFS/Hz
RF Input Supports Up to 4.0 GHz
Aperture Jitter: 90 f
S
Channel Isolation: 95 dB at f
IN
= 1.8 GHz
Spectral Performance (f
IN
= 900 MHz, –2 dBFS):
SNR: 60.1 dBFS
SFDR: 66-dBc HD2, HD3
SFDR: 76-dBc Worst Spur
Spectral Performance (f
IN
= 1.85 GHz, –2 dBFS):
SNR: 58.9 dBFS
SFDR: 67-dBc HD2, HD3
SFDR: 76-dBc Worst Spur
On-Chip Digital Down-Converters:
Up to 4 DDCs (Dual-Band Mode)
Up to 3 Independent NCOs per DDC
On-Chip Input Clamp for Overvoltage Protection
Programmable On-Chip Power Detectors with Alarm Pins for AGC Support
On-Chip Dither
On-Chip Input Termination
Input Full-Scale: 1.35 V
PP
Support for Multi-Chip Synchronization
JESD204B Interface:
Subclass 1-Based Deterministic Latency
4 Lanes Per Channel at 12.5 Gbps
Power Dissipation: 3.2 W/Ch at 3.0 GSPS
72-Pin VQFN Package (10 mm × 10 mm)