June 1999
N
CLC5602
Dual, High Output, Video Amplifier
General Description
Features
■
The National CLC5602 has a new output stage that delivers high
output drive current (130mA), but consumes minimal
quiescent supply current (1.5mA/ch) from a single 5V supply. Its
current feedback architecture, fabricated in an advanced comple-
mentary bipolar process, maintains consistent performance over
a wide range of gains and signal levels, and has a linear-phase
response up to one half of the -3dB frequency.
130mA output current
■
0.06%, 0.02° differential gain, phase
1.5mA/ch supply current
135MHz bandwidth (A = +2)
-87/-95dBc HD2/HD3 (1MHz)
15ns settling to 0.05%
300V/µs slew rate
■
■
■
■
■
■
■
v
Stable for capacitive loads up to 1000pf
Single 5V or ±5V supplies
The CLC5602 offers 0.1dB gain flatness to 22MHz and differen-
tial gain and phase errors of 0.06% and 0.02°. These features are
ideal for professional and consumer video applications.
Applications
■
Video line driver
The CLC5602 offers superior dynamic performance with a
135MHz small-signal bandwidth, 300V/µs slew rate and 5.7ns
■
ADSL/HDSL driver
■
Coaxial cable driver
rise/fall times (2V
). The combination of low quiescent power,
step
■
UTP differential line driver
high output current drive, and high-speed performance make
the CLC5602 well suited for many battery-powered personal
communication/computing systems.
■
Transformer/coil driver
■
High capacitive load driver
■
Portable/battery-powered applications
■
Differential A/D driver
The ability to drive low-impedance, highly capacitive loads,
makes the CLC5602 ideal for single ended cable applications.
It also drives low impedance loads with minimum distortion.
The CLC5602 will drive a 100Ω load with only -86/-85dBc
Maximum Output Voltage vs. RL
10
second/third harmonic distortion (A = +2, V = 2V , f = 1MHz).
With a 25Ω load, and the same conditions, it produces only -86/
9
8
v
out
pp
VCC = ±5V
-72dBc second/third harmonic distortion.
7
6
5
4
The CLC5602 can also be used for driving differential-input step-
up transformers for applications such as Asynchronous Digital
Subscriber Lines (ADSL) or High-Bit-Rate Digital Subscriber
Lines (HDSL).
3
2
1
Vs = +5V
When driving the input of high-resolution A/D converters, the
CLC5602 provides excellent -87/-95dBc second/third harmonic
10
100
1000
RL (Ω)
distortion (A = +2, V
= 2V , f = 1MHz, R = 1kΩ) and fast
v
out
pp L
settling time.
Typical Application
Differential Line Driver with Load Impedance Conversion
Pinout
DIP & SOIC
Rg2
Rf2
Vo1
+VCC
Vo2
Vd/2
Vin
Rt1
+
V
inv1
non-inv1
-VCC
1/2
Rm/2
Req
Io
-
CLC5602
1:n
-Vd/2
+
Vo
-
1/2
Zo
-
CLC5602
RL
V
V
inv2
Rf1
+
UTP
Rt2
Rm/2
Vnon-inv
2
Rg1
© 1999 National Semiconductor Corporation
Printed in the U.S.A.
http://www.national.com
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