ISL59911 Datasheet, PDF (1/17 Pages) Intersil Corporation – 250MHz Triple Differential Receiver/ Equalizer with I2C Interface

250MHz Triple Differential Receiver/ Equalizer with I²C
Interface
ISL59911
The ISL59911 is a triple channel differential receiver and
equalizer optimized for RGB and YPbPr video signals. It
contains three high speed differential receivers with
programmable frequency compensation. The ISL59911
features manual or automatic offset calibration and ±4dB of
gain adjustment range with a resolution of 0.1dB.
The ISL59911 has a bandwidth of 250MHz and consumes only
110mA from a ±5V supply in normal operation.
When deasserted, the ENABLE pin puts the amplifiers into a
low power, high impedance state, minimizing power when not
needed and also allowing multiple devices to be connected in
parallel, allowing two or more ISL59911 devices to function as
a multiplexer.
The ISL59911 can also directly decode the sync signals
encoded onto the common modes of three pairs of Cat 5 cable
(by an ISL59311, EL4543, or similar device) or it can output
the actual common mode voltages for each of the three
channels.
The ISL59911 is available in a 32 Ld QFN package and is
specified for operation over the full -40°C to +85°C
temperature range.
Features
• 250MHz -3dB bandwidth
• 5 Adjustable EQ bands: 100MHz, 20MHz, 6MHz, 1MHz, and
200kHz
• 3rd-order lowpass filter at output with programmable corner
• ±4dB fine gain control with 0.1dB (7-bit) resolution
• Offset calibration minimizes output offset voltage
• Decodes H_SYNC and V_SYNC signals embedded in common
mode
• I²C interface with four unique addresses
• ±5V supplies @ 110mA
• 32 Ld 5mm x 6mm QFN package
Applications
• KVM monitor extension
• Digital signage
• General-purpose twisted-pair receiving and equalization
• High-resolution security video
ISL59311
OR
EL4543
TRIPLE
DIFFERENTIAL
VIDEO
DRIVER
UP TO 300m OF
CAT X CABLE
TERMINATION
NETWORK
1k
50
50
0.1µF ⁵⁰
TERMINATION
NETWORK
TERMINATION
NETWORK
+5V +5V
R_{P RP}
SYSTEM
MICRO-
CONTROLLER
I²C INTERFACE
+5V -5V
TWISTED-PAIR RGB VIDEO RECEIVER
C_BYPASS*
x3
xC3^{BYPASS** Speaeg“ePo1w0efrorSmupoprley}
Bypassing” on
information.
RIN+
R_IN-
V+ V- and
THERMAL
PAD
ISL59911
ROUT
GOUT
B_OUT
75 x3
G_IN+
G_IN-
B_IN+
B_IN-
ADDR0
ADDR1
R_REF
GREF
BREF
HS_OUT/R_CM
VSOUT/GCM
ISL59920
ISL59921
ISL59922
or
ISL59923
VIDEO
DELAY
LINE
74HC04 or
SIMILAR
SCL
SDA
ENABLE
GND
BCM NC
FIGURE 1. TYPICAL APPLICATION CIRCUIT
September 2, 2011
1
FN7548.0
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 |Copyright Intersil Americas Inc. 2011. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.