AD5011 Datasheet, PDF (1/8 Pages) Analog Devices – 2 Pair/1 Pair ETSI Compatible HDSL Analog Front End

PRELIMINARY TECHNICAL DATA
a
2 Pair/1 Pair ETSI Compatible
HDSL Analog Front End
Preliminary Technical Data
AD5011
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
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 ^oC to +85 ^oC.
FUNCTIONAL BLOCK DIAGRAM
V D R IV E
TxDATA
TxSYNC
TxCLK
T x-D E C O U P
14-Bit DAC
ADCCLK
SCLK
SDO
DR
CAP-T
CAP-B
R E F -C O M
VREF
CM-LVL
12-Bit ADC
ADC
B u ffe r
S P IC L K
TFS
DT
DR
RESETB
PW RDOWNB
C o n tro l/
SPI
C o n fig u ra tio n
6 P ole A da ptive
Bessel Filter
PGA
0 dB
-6 dB
L in e
D river
4 P ole A da ptive
Butterworth Filter
PGA
H yb rid
-6 dB
-3 dB
0 dB
+3 dB
+6 dB
DRV-OUTP
DRV-OUTN
H Y B IN -2 B
H Y B IN -2 A
H Y B IN -1 A
H Y B IN -1 B
REV PrA
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