= 25鈩?/div>
7mA Supply Current per Amplifier
200V/碌s Slew Rate
Stable with 1000pF Load
6nV/鈭欻z Input Noise Voltage
2pA/鈭欻z Input Noise Current
4mV Maximum Input Offset Voltage
4碌A(chǔ) Maximum Input Bias Current
400nA Maximum Input Offset Current
鹵4.5V
Minimum Input CMR, V
S
=
鹵6V
Specified at
鹵6V, 鹵2.5V
The LT
廬
1886 is a 200mA minimum output current dual op
amp with outstanding distortion performance. The ampli-
fiers are gain-of-ten stable, but can be easily compensated
for lower gains. The LT1886 features balanced, high
impedance inputs with 4碌A(chǔ) maximum input bias current,
and 4mV maximum input offset voltage. Single supply
applications are easy to implement and have lower total
noise than current feedback amplifier implementations.
The output drives a 25鈩?load to
鹵4.3V
with
鹵6V
supplies.
On
鹵2.5V
supplies the output swings
鹵1.5V
with a 100鈩?/div>
load. The amplifier is stable with a 1000pF capacitive
load which makes it useful in buffer and cable driver
applications.
The LT1886 is manufactured on Linear Technology鈥檚
advanced low voltage complementary bipolar process and
is available in a thermally enhanced SO-8 package.
APPLICATIO S
s
s
s
s
DSL Modems
xDSL PCI Cards
USB Modems
Line Drivers
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATIO
Single 12V Supply ADSL Modem Line Driver
12V
0.1碌F
IN
+
+
1/2 LT1886
12.4鈩?/div>
HARMONIC DISTORTION (dBc)
鈥?/div>
909鈩?/div>
10k
20k
100鈩?/div>
1:2*
100鈩?/div>
1碌F
10k
20k
1碌F
100鈩?/div>
909鈩?/div>
*COILCRAFT X8390-A
OR EQUIVALENT
1886 TA01
12.4鈩?/div>
0.1碌F
IN
鈥?/div>
1/2 LT1886
U
ADSL Modem Line Driver Distortion
鈥?0
V
S
= 12V
A
V
= 10
f = 200kHz
100鈩?LINE
1:2 TRANSFORMER
HD2
鈥?0
鈥?0
鈥?0
HD3
鈥?00
0
2
4
6
8
10 12
LINE VOLTAGE (V
P-P
)
14
16
1886 TA01a
U
+
next
LT1886相關(guān)型號PDF文件下載
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