SLAS748G
March 2011 – January 2024
DAC3482
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics – DC Specifications
5.6
Electrical Characteristics – Digital Specifications
5.7
Electrical Characteristics – AC Specifications
5.8
Electrical Characteristics - Phase-Locked Loop Specifications
5.9
Timing Requirements - Digital Specifications
5.10
Switching Characteristics – AC Specifications
5.11
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Serial Interface
6.3.2
Data Interface
6.3.2.1
Word-Wide Format
6.3.2.2
Byte-Wide Format
6.3.3
Input FIFO
6.3.4
FIFO Modes of Operation
6.3.4.1
Dual Sync Source Mode
6.3.4.2
Single Sync Source Mode
6.3.4.3
Bypass Mode
6.3.5
Clocking Modes
6.3.5.1
PLL Bypass Mode
6.3.5.2
PLL Mode
6.3.6
FIR Filters
6.3.7
Complex Signal Mixer
6.3.7.1
Full Complex Mixer
6.3.7.2
Coarse Complex Mixer
6.3.7.3
Mixer Gain
6.3.7.4
Real Channel Upconversion
6.3.8
Quadrature Modulation Correction (QMC)
6.3.8.1
Gain and Phase Correction
6.3.8.2
Offset Correction
6.3.8.3
Group Delay Correction
6.3.9
Temperature Sensor
6.3.10
Data Pattern Checker
6.3.11
Parity Check Test
6.3.11.1
Word-by-Word Parity
6.3.11.2
Block Parity
6.3.12
DAC3482 Alarm Monitoring
6.3.13
LVPECL Inputs
6.3.14
LVDS Inputs
6.3.15
Unused LVDS Port Termination
6.3.16
CMOS Digital Inputs
6.3.17
Reference Operation
6.3.18
DAC Transfer Function
6.3.19
Analog Current Outputs
6.4
Device Functional Modes
6.4.1
Multi-Device Synchronization
6.4.1.1
Multi-Device Synchronization: PLL Bypassed with Dual Sync Sources Mode
6.4.1.2
Multi-Device Synchronization: PLL Enabled with Dual Sync Sources Mode
6.4.1.3
Multi-Device Operation: Single Sync Source Mode
6.5
Programming
6.5.1
Power-Up Sequence
6.5.2
Example Start-Up Routine
6.5.2.1
Device Configuration
6.5.2.2
PLL Configuration
6.5.2.3
NCO Configuration
6.5.2.4
Example Start-Up Sequence
6.6
Register Map
6.6.1
Register Descriptions
6.6.1.1
Register Name: config0 – Address: 0x00, Default: 0x049C
6.6.1.2
Register Name: config1 – Address: 0x01, Default: 0x050E
6.6.1.3
Register Name: config2 – Address: 0x02, Default: 0x7000
6.6.1.4
Register Name: config3 – Address: 0x03, Default: 0xF000
6.6.1.5
Register Name: config4 – Address: 0x04, Default: No RESET Value (WRITE TO CLEAR)
6.6.1.6
Register Name: config5 – Address: 0x05, Default: Setup and Power-Up Conditions Dependent (WRITE TO CLEAR)
6.6.1.7
Register Name: config6 – Address: 0x06, Default: No RESET Value (READ ONLY)
6.6.1.8
Register Name: config7 – Address: 0x07, Default: 0xFFFF
6.6.1.9
Register Name: config8 – Address: 0x08, Default: 0x0000 (CAUSES AUTO-SYNC)
6.6.1.10
Register Name: config9 – Address: 0x09, Default: 0x8000
6.6.1.11
Register Name: config10 – Address: 0x0A, Default: 0x0000
6.6.1.12
Register Name: config11 – Address: 0x0B, Default: 0x0000
6.6.1.13
Register Name: config12 – Address: 0x0C, Default: 0x0400
6.6.1.14
Register Name: config13 – Address: 0x0D, Default: 0x0400
6.6.1.15
Register Name: config14 – Address: 0x0E, Default: 0x0400
6.6.1.16
Register Name: config15 – Address: 0x0F, Default: 0x0400
6.6.1.17
Register Name: config16 – Address: 0x10, Default: 0x0000 (CAUSES AUTO-SYNC)
6.6.1.18
Register Name: config17 – Address: 0x11, Default: 0x0000
6.6.1.19
Register Name: config18 – Address: 0x12, Default: 0x0000 (CAUSES AUTO-SYNC)
6.6.1.20
Register Name: config19 – Address: 0x13, Default: 0x0000
6.6.1.21
Register Name: config20 – Address: 0x14, Default: 0x0000
6.6.1.22
Register Name: config21 – Address: 0x15, Default: 0x0000
6.6.1.23
Register name: config22 – Address: 0x16, Default: 0x0000
6.6.1.24
Register Name: config23 – Address: 0x17, Default: 0x0000
6.6.1.25
Register Name: config24 – Address: 0x18, Default: NA
6.6.1.26
Register Name: config25 – Address: 0x19, Default: 0x0440
6.6.1.27
Register Name: config26 – Address: 0x1A, Default: 0x0020
6.6.1.28
Register Name: config27 – Address: 0x1B, Default: 0x0000
6.6.1.29
Register Name: config28 – Address: 0x1C, Default: 0x0000
6.6.1.30
Register Name: config29 – Address: 0x1D, Default: 0x0000
6.6.1.31
Register Name: config30 – Address: 0x1E, Default: 0x1111
6.6.1.32
Register Name: config31 – Address: 0x1F, Default: 0x1140
6.6.1.33
Register Name: config32 – Address: 0x20, Default: 0x2400
6.6.1.34
Register Name: config33 – Address: 0x21, Default: 0x0000
6.6.1.35
Register Name: config34 – Address: 0x22, Default: 0x1B1B
6.6.1.36
Register Name: config35 – Address: 0x23, Default: 0xFFFF
6.6.1.37
Register Name: config36 – Address: 0x24, Default: 0x0000
6.6.1.38
Register Name: config37 – Address: 0x25, Default: 0x7A7A
6.6.1.39
Register Name: config38 – Address: 0x26, Default: 0xB6B6
6.6.1.40
Register Name: config39 – Address: 0x27, Default: 0xEAEA
6.6.1.41
Register Name: config40 – Address: 0x28, Default: 0x4545
6.6.1.42
Register Name: config41 – Address: 0x29, Default: 0x1A1A
6.6.1.43
Register Name: config42 – Address: 0x2A, Default: 0x1616
6.6.1.44
Register Name: config43 – Address: 0x2B, Default: 0xAAAA
6.6.1.45
Register Name: config44 – Address: 0x2C, Default: 0xC6C6
6.6.1.46
Register Name: config45 – Address: 0x2D, Default: 0x0004
6.6.1.47
Register Name: config46 – Address: 0x2E, Default: 0x0000
6.6.1.48
Register Name: config47 – Address: 0x2F, Default: 0x0000
6.6.1.49
Register Name: config48 – Address: 0x30, Default: 0x0000
6.6.1.50
Register Name: version– Address: 0x7F, Default: 0x540C (READ ONLY)
7
Application and Implementation
7.1
Application Information
7.2
Typical Applications
7.2.1
IF Based LTE Transmitter
7.2.1.1
Design Requirements
7.2.1.2
Detailed Design Procedure
7.2.1.2.1
Data Input Rate
7.2.1.2.2
Interpolation
7.2.1.2.3
LO Feedthrough and Sideband Correction
7.2.1.3
Application Curves
7.2.2
Direct Upconversion (Zero IF) LTE Transmitter
7.2.2.1
Design Requirements
7.2.2.2
Detailed Design Procedure
7.2.2.2.1
Data Input Rate
7.2.2.2.2
Interpolation
7.2.2.2.3
LO Feedthrough and Sideband Correction
7.2.2.3
Application Curves
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.2
Layout Examples
7.4.3
Assembly
8
Device and Documentation Support
8.1
Device Support
8.1.1
Device Nomenclature
8.1.1.1
Definition of Specifications
8.2
Documentation Support
8.2.1
Related Documentation
8.3
Support Resources
8.4
Trademarks
8.5
Electrostatic Discharge Caution
8.6
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
10.1
Clarifications for DAC3482 Power Supply and Phase-Locked Loop Specification
Package Options
Mechanical Data (Package|Pins)
RKD|88
MPQF242
ZAY|196
MPBGAL1
Thermal pad, mechanical data (Package|Pins)
RKD|88
QFND211A
Orderable Information
slas748g_oa
slas748g_pm
6.5.2.1
Device Configuration
f
DATA
= 491.52 MSPS, 16-bit word wide interface
Interpolation = 2x
Input data = baseband data
f
OUT
= 122.88 MHz
PLL = Enabled
Full Mixer = Enabled
Dual Sync Sources Mode