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LT1497CS8 Datasheet

  • LT1497CS8

  • Dual 125mA, 50MHz Current Feedback Amplifier

  • 12頁

  • LINER

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LT1497
Dual 125mA, 50MHz
Current Feedback Amplifier
FEATURES
s
s
s
s
s
DESCRIPTION
The LT
廬
1497 dual current feedback amplifier features low
power, high output drive, excellent video characteristics
and outstanding distortion performance. From a low 7mA
maximum supply current per amplifier, the LT1497 drives
鹵100mA
with only 1.9V of headroom. Twisted pairs can be
driven differentially with 鈥?70dBc distortion up to 1MHz for
鹵40mA
peak signals.
The LT1497 is available in a low thermal resistance 16-pin
SO package for operation with supplies up to
鹵15V.
For
鹵5V
operation the device is also available in a low thermal
resistance SO-8 package. The device has thermal and
current limit circuits that protect against fault conditions.
The LT1497 is manufactured on Linear Technology鈥檚
complementary bipolar process. The device has charac-
teristics that bridge the performance between the LT1229
and LT1207 dual current feedback amplifiers. The LT1229
has 30mA output drive, 100MHz bandwidth and 12mA
supply current. The LT1207 has 250mA output drive,
60MHz bandwidth and 40mA supply current.
, LTC and LT are registered trademarks of Linear Technology Corporation.
s
s
s
s
s
s
s
Minimum Output Current:
鹵
125mA
Maximum Supply Current per Amp: 7mA, V
S
=
鹵
5V
Bandwidth: 50MHz, V
S
=
鹵
15V
Slew Rate: 900V/碌s, V
S
=
鹵15V
Wide Supply Range: V
S
=
鹵2.5V
to
鹵15V
(Enhanced
胃
JA
16-Pin SO Package)
Enhanced
胃
JA
SO-8 Package for
鹵5V
Operation
0.02% Differential Gain: A
V
= 2, R
L
= 150鈩?/div>
0.015擄 Differential Phase: A
V
= 2, R
L
= 150鈩?/div>
鹵13V
Output Swing: I
L
= 100mA, V
S
=
鹵15V
鹵3.1V
Output Swing: I
L
= 100mA, V
S
=
鹵5V
55ns Settling Time to 0.1%, 10V Step
Thermal Shutdown Protection
APPLICATIONS
s
s
s
s
s
Twisted-Pair Drivers
Video Amplifiers
Cable Drivers
Test Equipment Amplifiers
Buffers
TYPICAL APPLICATION
HDSL2 Single Pair Line Driver
560鈩?/div>
560鈩?/div>
鈥?40
2nd and 3rd Harmonic Distortion of
HDSL2 Single Pair Line Driver
V
S
=
鹵
5V
V
IN
=
鹵1.25V
V
OUT
=
鹵
2.5V
鈥?50
68.1鈩?/div>
DISTORTION (dBc)
1/2 LT1497
V
IN
1:1*
560鈩?/div>
560鈩?/div>
135鈩?/div>
鈥?60
鈥?70
2ND
3RD
鈥?80
68.1鈩?/div>
*MIDCOM 671-7807
鈥?90
100k
FREQUENCY (Hz)
1419 TA01
1497 TA02
1/2 LT1497
U
U
U
+
+
鈥?/div>
鈥?/div>
1M
2M
1

LT1497CS8 產(chǎn)品屬性

  • LT1497

  • 100

  • 集成電路 (IC)

  • Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

  • -

  • 電流反饋

  • 2

  • -

  • 900 V/µs

  • -

  • 50MHz

  • 7µA

  • 3000µV

  • 7mA

  • 220mA

  • 4 V ~ 30 V，±2 V ~ 15 V

  • 0°C ~ 70°C

  • 表面貼裝

  • 8-SOIC（0.154"，3.90mm 寬）

  • 8-SO

  • 管件

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