AK2500B Datasheet, PDF (1/17 Pages) Asahi Kasei Microsystems – DS3/STS-1 Analog Line Receiver

ASAHI KASEI
[AK2500B]
AK2500B
DS3/STS-1 Analog Line Receiver
GENERAL DESCRIPTION
The AK2500B is a DSP based line receiver. It
provides the analog receive line interface
functions for a 44.736 MHz DS3 or 51.84 MHz
STS-1 interface. The device operates from a
single +3.3 Volt supply and is transparent to the
framing format.
FEATURE
- “Robust” DSP based line receiver
- AK2500B Provides Complete Analog Line
Receiver for DS3 and STS-1 Applications
- Provides Line Equalization, and Clock and Data
Recovery Functions
PACKAGE
-
24 pin SOP
APPLICATIONS
- Interfacing network transmission equipment
such as SONET multiplexor and M13 to a DSX-
3 cross connect.
- Interfacing customer premises equipment to a
line.
BLOCK DIAGRAM
RLOL
RCLK
CLOCK
RECOVERY
TREF BREF IREF
EXCLK
RPDATA
RNDATA
VDDA
VSSA
VDDD
VSSD
VDDC
VSSC
MS0005-E-00
DATA
RECOVERY
LOS
LOGIC
GAIN and LINE
RIN
EQUALIZATION
LOSTHR RLOS
-1-
MODE2 MODE1 RESET
1999/12