PRELIMINARY TECHNICAL DATA
a
Preliminary Technical Data
FEATURES
Integrated front End for Single Pair or Two Pair HDSL
Systems
Meets ETSI Specifications
Supports 1168 kbps and 2.32 Mbps
Programmable Filtering Supports Adaptive HDSL
Transmit and Receive Signal Path Functions
Receive Hybrid Amplifier, PGA, ADC and Adaptable
Filter
Transmit DAC, Adaptable Filter and Differential
Outputs
Normal Loopback
Serial Interface to Digital Transceivers
Single 3 V Power Supply
2 Pair/1 Pair ETSI Compatible
HDSL Analog Front End
AD5011
GENERAL DESCRIPTION
The AD5011 is an analog front end for two pair or single
pair HDSL applications that use 1168 kbps or 2.32 Mbps
data rates. The device integrates all the transmit and receive
functional blocks. A standard serial interface is used to
communicate with the DAC and ADC. The filters in both
the transmit and receive paths are programmable which
allows adaptive HDSL to be performed also. The part is
available in a 48-pin LQFP package and is specified for a
temperature range of -40
o
C to +85
o
C.
FUNCTIONAL BLOCK DIAGRAM
V DR IV E
T x-D E CO U P
T xD A T A
T xS YN C
T xC LK
1 4-B it D A C
6 P ole A da ptive
B esse l Filte r
PGA
0 dB
-6 dB
L in e
D rive r
D RV -O U T P
D RV -O U T N
A DC C LK
S CL K
S DO
DR
C AP -T
C AP -B
R EF -CO M
V RE F
C M -L V L
-6 dB
-3 dB
0 dB
+3 d B
+6 d B
A DC
B uffer
4 P ole A da ptive
B utterw orth Filter
H YBIN-2 B
H YBIN-2 A
H YBIN-1 A
H YBIN-1 B
1 2-B it A D C
PGA
H ybrid
S P IC LK
T FS
DT
DR
R ES E T B
P W RD O W N B
SPI
C on trol/
C on figu ratio n
FILO U T P
REV PrA
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reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
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Tel: 781/329-4700
Fax: 781/326-8703
World Wide Web Site: hppt://www.analog.com
FILO U T N
A DC IN N
A DC IN P
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