MAX3946_11 Datasheet, PDF (29/29 Pages) Maxim Integrated Products – 1Gbps to 11.3Gbps, SFP+ Laser Driver with Laser Impedance Mismatch Tolerance

1Gbps to 11.3Gbps, SFP+ Laser Driver
with Laser Impedance Mismatch Tolerance
Revision History
REVISION
NUMBER
0
1
REVISION
DATE
DESCRIPTION
3/10 Initial release
Changed the title from 1.0625Gbps to 1Gbps; changed the edge speed from 20ps
to 22ps in the General Description and Features; added the Package Thermal
Characteristics section; updated graphs 2, 10, 16, and 17 and replaced graphs 6
and 7 in the Typical Operating Characteristics section; updated the BIAS (requires
a 0.1µF capacitor to VEET) and CSEL (pulled down to VEET rather than GND) pin
5/11
descriptions in the Pin Description table; updated Figure 2 SCL and CSEL connec-
tions; changed the increment value range from -8 to +7 LSBs to -16 to +15 LSBs in
the Bias Current DAC and Modulation Current DAC sections; changed the ground
symbols to VEET in Figure 4; updated the Transmitter Control Register (TXCTRL)
bit 2 (SOFTRES) description; updated Figure 6, Typical Application Circuit for
10GBASE-LRM, and Typical Application Circuit for 10GBASE-LR; added the land
pattern no. to the Package Information table
PAGES
CHANGED
—
1, 2, 7, 8, 10,
11, 12, 14, 17,
25–28
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29
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