A Survey of Commercially
Available ADC Technology
William Jones
Chris Pagnanelli
Solarflare Communications
jones_3_10_2003_ADC.pdf
IEEE802.3 Plenary March 2003
10GBASE-T
wjones@solarflare.com
1
Overview
• A key block in a mixed signal solution
for 10GBASE-T will be the Analog-toDigital Conversion (ADC)
• This presentation is for information
only and is intended to highlight
what’s available in COTS
components
IEEE802.3 Plenary March 2003
10GBASE-T
2
10 Bit Converters
IEEE802.3 Plenary March 2003
10GBASE-T
3
ADC Technology
•
•
•
•
Manufacturer: TelASIC Communications
Part Number: TC1200
Technology: Silicon Germanium
Device Specifications:
– Sample Rate:
– Resolution:
– ENOB:
1 GSPS
10 bits
8 bits
IEEE802.3 Plenary March 2003
10GBASE-T
4
ADC Technology
•
•
•
•
Manufacturer: Atmel Corporation
Part Number: TS83102
Technology: Silicon Germanium
Device Specifications:
–
–
–
–
Bandwidth:
Sample Rate:
Resolution:
ENOB:
3 GHz
2 GSPS
10 bits
7.8 bits
IEEE802.3 Plenary March 2003
10GBASE-T
5
8 Bit Converters
IEEE802.3 Plenary March 2003
10GBASE-T
6
ADC Technology
•
•
•
•
Manufacturer: Maxim Integrated Products
Part Number: MAX108
Technology: Bipolar
Device Specifications:
–
–
–
–
Bandwidth:
Sample Rate:
Resolution:
ENOB:
2.2 GHz
1.5 GSPS
8 bits
7.5 bits
IEEE802.3 Plenary March 2003
10GBASE-T
7
ADC Technology
•
•
•
•
Manufacturer: Maxim Integrated Products
Part Number: MAX104
Technology: Bipolar
Device Specifications:
–
–
–
–
Bandwidth:
Sample Rate:
Resolution:
ENOB:
2.2 GHz
1 GSPS
8 bits
7.5 bits
IEEE802.3 Plenary March 2003
10GBASE-T
8
ADC Technology
•
•
•
•
Manufacturer: Atmel Corporation
Part Number: TS8388
Technology: Bipolar
Device Specifications:
–
–
–
–
Bandwidth:
Sample Rate:
Resolution:
ENOB:
1.5 GHz
1 GSPS
8 bits
7.1 bits
IEEE802.3 Plenary March 2003
10GBASE-T
9
Summary
• It appears at least feasible, that
within the time the standard is
ratified, an ADC will be available
which can meet the requirements
10GBASE-T
IEEE802.3 Plenary March 2003
10GBASE-T
10