28927-BRF-001-A_15 Datasheet, PDF (1/2 Pages) M/A-COM Technology Solutions, Inc. – Line Driver

™
A CONEXANT BUSINESS
ZipWirePlus™ M28927 G.shdsl AFE/LD G.shdsl High Efficiency
Integrated Analog Front End/Line Driver (AFE/LD)
M28927
Low power, Compact 7mm2 Package
Highly Integrated Efficient Analog Front
End and Line Driver
Highly Integrated
The M28927, used with the M28945, M28946, and
M28985 multimode G.shdsl transceivers, offers a high
density, low power, and highly flexible platform to solve
the most demanding symmetrical DSL applications.
Multimode Operation
Integrating a high performance, low power, Analog
Front End and Line Driver into a single 7mm_ TQFP
leaded package, the M28927 supports all G.shdsl
operations including the high-power OPTIS/EPAP
modes without transformer or other circuit changes.
In addition, the M28927 supports full operation in
HDSL2, SDSL, and 2B1Q modes of operation including
AutoBaud™ and Mindspeed’s exciting loop qualifica-
tion software, LoopWizard™.
> KEY FEATURES
> Highly Integrated
> Ultra Low Power
> Small size
> Multi-mode operation
> Interoperable with all
ZipWire transceivers
including AutoBaud
VD33
VA33
VA12
AFE_CTRL_DATA
Gain
AFE_TX_SER1
AFE_TX_SER2
SIPO
Digital Filter
Switched-
Capacitor
DAC
Switched-
Capacitor
Filter
Line
Line
AFE_CLK
Driver
AFE_TX_SYNC
AFE_RX_SYNC
Digital
I/O,
DSP, &
Internal Clock
Drivers and
Reference
Voltage
Hybrid
Control
Distribution
Generator
AFE_RX_SER1
AFE_RX_SER2
PISO
Digital Filter
Switched-
Capacitor
ADC
Gain
Control
ñ
+
DGND
A33GND
12AGND
M28927 Diagram
>