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AS1152

P1-P3P4-P6P7-P9P10-P12P13-P15
AS1152
Quad LVDS Driver
Data Sheet
www.austriamicrosystems.com Revision 1.00 1 - 15
1 General Description
The AS1152 is a Quad Flow-Through LVDS (Low-Volt-
age Differential Signaling) Line Driver which accepts
and converts LVTTL/LVCMOS input levels into LVDS
output signals. The device is perfect for low-power low-
noise applications requiring high signaling rates and
reduced EMI emissions.
The device is guaranteed to transmit data at speeds up
to 500Mbps (250MHz) over controlled impedance media
of approximately 100Ω. Supported transmission media
are PCB traces, backplanes, and cables.
The AS1152 is capable of setting all four outputs to a
high-impedance state through two Enable Inputs (EN
and ENn – internally pulled down to GND), dropping the
device to an ultra-low-power state of 16mW (typical) dur-
ing high impedance. The Enable Inputs are common to
all four drivers.
Outputs conform to the ANSI TIA/EIA-644 LVDS stan-
dards. Flow-through pinout simplifies PC board layout
and reduces crosstalk by separating the LVTTL/LVC-
MOS inputs and LVDS outputs.
The AS1152 operates from a single +3.3V supply and is
specified for operation from -40 to +85°C.
Figure 1. Block Diagram
2 Key Features
!
Flow-Through Pinout
!
Guaranteed 500Mbps Data Rate (paired with
AS1150)
!
350ps Pulse Skew (Max)
!
Conforms to ANSI TIA/EIA-644 LVDS Standards
!
Single +3.3V Supply
!
Operating Temperature Range: -40 to +85°C
!
16-Pin TSSOP Package
3 Applications
Digital Copiers, Laser Printers, Cellular Phone Base Sta-
tions, Add/Drop Muxes, Digital Cross-Connects,
DSLAMs, Network Switches/Routers, Backplane Inter-
connect, Clock Distribution Computers, Intelligent Instru-
ments, Controllers, Critical Microprocessors and
Microcontrollers, Power Monitoring, and Portable/Bat-
tery-Powered Equipment.
IN1
IN2
IN3
IN4
AS1152
OUT1+
OUT1-
OUT2+
OUT2-
OUT3+
OUT3-
OUT4+
OUT4-
ENn
EN
VCC
www.austriamicrosystems.com Revision 1.00 2 - 15
AS1152
Data Sheet - Pinout
4 Pinout
Pin Assignments
Figure 2. AS1152 Pin Assignments (Top View)
Pin Descriptions
Table 1. AS1152 Pin Descriptions
Pin Number Pin Name Description
1EN
Driver Enable Input. Internally pulled down to GND.
When EN = high and ENn = low or open, the driver outputs are active. For other
combinations of EN and ENn, the outputs are disabled and in high impedance.
2IN1
LVTTL/LVCMOS Driver Input
3IN2
LVTTL/LVCMOS Driver Input
4V
CC
Power Supply Input. Bypass VCC to GND with 0.1µF and 0.001µF ceramic
capacitors.
5GND
Ground
6IN3
LVTTL/LVCMOS Driver Input
7IN4
LVTTL/LVCMOS Driver Input
8ENn
Driver Enable Input. Internally pulled down to GND.
When EN = high and ENn = low or open, the driver outputs are active. For other
combinations of EN and ENn, the outputs are disabled and in high impedance.
9OUT4-
Inverting LVDS Driver Output
10 OUT4+
Noninverting LVDS Driver Output
11 OUT3+
Noninverting LVDS Driver Output
12 OUT3-
Inverting LVDS Driver Output
13 OUT2-
Inverting LVDS Driver Output
14 OUT2+
Noninverting LVDS Driver Output
15 OUT1+
Noninverting LVDS Driver Output
16 OUT1-
Inverting LVDS Driver Output
OUT1-
OUT1+
OUT2+
OUT2-
OUT3-
OUT3+
OUT4+
OUT4-
EN
IN1
IN2
VCC
GND
IN3
IN4
ENn
AS1152
TSSOP
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
www.austriamicrosystems.com Revision 1.00 3 - 15
AS1152
Data Sheet - Absolute Maximum Ratings
5 Absolute Maximum Ratings
Stresses beyond those listed in Table 2 may cause permanent damage to the device. These are stress ratings only,
and functional operation of the device at these or any other conditions beyond those indicated in the operational sec-
tions of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may
affect device reliability.
Table 2. Absolute Maximum Ratings
Parameter Limits Units Notes
VCC to GND -0.3 to +5.0 V
INx, EN, ENn to GND -0.3 to (V
CC + 0.3) V
OUTx+, OUTx- to GND -0.3 to +5 V
Short Circuit Duration (OUTx+,
OUTx-)
Continuous
Continuous Power Dissipation
(T
A = +70°C)
755 mW Derate 9.4mW/°C Above +70°C
Storage Temperature Range -65 to +150
ºC
Maximum Junction Temperature +150 ºC
Operating Temperature Range -40 to +85 ºC
Package Body Temperature 260 ºC
The reflow peak soldering temperature (body
temperature) specified is in compliance with IPC/
JEDEC J-STD-020C “Moisture/ Reflow Sensitivity
Classification for Non-Hermetic Solid State Surface
Mount Devices”.
ESD Protection ±4 kV Human Body Model, INx, OUTx+, OUTx--
P1-P3P4-P6P7-P9P10-P12P13-P15

AS1152

Mfr. #:
Buy AS1152
Manufacturer:
ams
Description:
LVDS Interface IC
Lifecycle:
New from this manufacturer.
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