SBASB73
August 2026
AFE7903-SEP
PRODMIX
1
1
Features
2
Applications
3
Description
4
Specifications
4.1
Absolute Maximum Ratings
4.2
ESD Ratings
4.3
Recommended Operating Conditions
4.4
Thermal Information
4.5
Transmitter Electrical Characteristics
4.6
RF ADC Electrical Characteristics
4.7
PLL/VCO/Clock Electrical Characteristics
4.8
Digital Electrical Characteristics
4.9
Power Supply Electrical Characteristics
4.10
Timing Requirements
4.11
Switching Characteristics
4.12
Typical Characteristics
4.12.1
RX Typical Characteristics 30MHz and 400MHz
4.12.2
RX Typical Characteristics at 800MHz
4.12.3
RX Typical Characteristics 1.75GHz to 1.9GHz
4.12.4
RX Typical Characteristics 2.6GHz
4.12.5
RX Typical Characteristics 3.5GHz
4.12.6
RX Typical Characteristics 4.9GHz
4.12.7
RX Typical Characteristics 6.8GHz
4.12.8
TX Typical Characteristics at 30MHz and 600MHz
4.12.9
TX Typical Characteristics at 800MHz
4.12.10
TX Typical Characteristics at 1.8GHz
4.12.11
TX Typical Characteristics at 2.6GHz
4.12.12
TX Typical Characteristics at 3.5GHz
4.12.13
TX Typical Characteristics at 4.9GHz
4.12.14
TX Typical Characteristics at 7.1GHz
4.12.15
PLL and Clock Typical Characteristics
5
Device and Documentation Support
5.1
Receiving Notification of Documentation Updates
5.2
Support Resources
5.3
Trademarks
5.4
Electrostatic Discharge Caution
5.5
Glossary
6
Revision History
7
Mechanical, Packaging, and Orderable Information
1
Features
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Radiation hardness assured AFE7903-SP:
Single-event latch up (SEL): 70 MeV-cm
2
/mg
RLAT Total ionizing dose (TID): 100 krad(Si)
Radiation tolerant AFE7903-SEP:
Single-event latch up (SEL): 43 MeV-cm
2
/mg
RLAT Total ionizing dose (TID): 30 krad(Si)
Dual RF sampling 12GSPS transmit DACs
Dual RF sampling 3GSPS receive ADCs
Maximum signal bandwidth per TX or RX: 400MHz
RF frequency range: 5MHz - 7.4GHz
Digital step attenuators (DSA):
TX: 40dB range, 0.125dB steps
RX: 25dB range, 0.5dB steps
Single or dual-band DUC/DDCs for TX and RX
16x NCOs per TX/RX
Optional Internal PLL or VCO for DAC or ADC clocks
External clock at DAC or ADC sample rate
SYSREF Alignment Detector
SerDes data interface:
JESD204B and JESD204C compatible
8 SerDes transceivers up to 29.5Gbps
Subclass 1 multi-device synchronization
Supports aerospace and defense applications
Controlled baseline
One fabrication, assembly, and test site
Product traceability
Extended product life cycle
Radiation lot acceptance Test (RLAT) (AFE7903-SEP/SP only)
Meets ASTM E595 out-gassing specification
Production burn-in (AFE7903-SP only)
This device contains non-encapsulated chip-caps with tin (Sn) finish of >97% purity. See reliability report for more information