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PDF LT1396CS8 Data sheet ( Hoja de datos )
| Número de pieza | LT1396CS8 | |
| Descripción | Single/Dual/Quad 400MHz Current Feedback Amplifier | |
| Fabricantes | Linear Technology | |
| Logotipo |  |
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LT1395/LT1396/LT1397
Single/Dual/Quad 400MHz
Current Feedback Amplifier
FEATURES
s 400MHz Bandwidth on ± 5V (AV = 1)
s 350MHz Bandwidth on ± 5V (AV = 2, –1)
s 0.1dB Gain Flatness: 100MHz (AV = 1, 2 and –1)
s High Slew Rate: 800V/µs
s Wide Supply Range: ±2V(4V) to ±6V(12V)
s 80mA Output Current
s Low Supply Current: 4.6mA/Amplifier
s LT1395: SO-8 Package
LT1396: SO-8 and MSOP Packages
LT1397: SO-14 and SSOP-16 Packages
U
APPLICATIO S
s Cable Drivers
s Video Amplifiers
s MUX Amplifiers
s High Speed Portable Equipment
s IF Amplifiers
DESCRIPTIO
The LT®1395/LT1396/LT1397 are single/dual/quad
400MHz current feedback amplifiers with an 800V/µs slew
rate and the ability to drive up to 80mA of output current.
The LT1395/LT1396/LT1397 operate on all supplies from
a single 4V to ±6V. At ±5V, they draw 4.6mA of supply
current per amplifier.
The LT1395/LT1396/LT1397 are manufactured on Linear
Technology’s proprietary complementary bipolar process.
They have standard single/dual/quad pinouts and they are
optimized for use on supply voltages of ±5V.
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATIO
Unity-Gain Video Loop-Through Amplifier
RG1
1.02k
RF1
255Ω
RG2
63.4Ω
RF2
255Ω
–
1/2
3.01k VIN– LT1396
+
3.01k VIN+
–
1/2
LT1396
+
VOUT
0.67pF
12.1k
0.67pF
BNC INPUTS
HIGH INPUT RESISTANCE DOES NOT LOAD CABLE
EVEN WHEN POWER IS OFF
12.1k
1% RESISTORS
FOR A GAIN OF G:
VOUT = G (VIN+ – VIN–)
RF1 = RF2
RG1 = (G + 3) RF2
RG2
=
RF2
G+3
TRIM CMRR WITH RG1
1395/6/7 TA01
Loop-Through Amplifier
Frequency Response
10
0
NORMAL SIGNAL
–10
–20
–30
–40
COMMON MODE SIGNAL
–50
–60
100 1k
10k 100k 1M 10M 100M 1G
FREQUENCY (Hz)
1395/6/7 TA02
1
1 page  
LT1395/LT1396/LT1397
TYPICAL PERFOR A CE CHARACTERISTICS
Large-Signal Transient Response
(AV = 1)
Large-Signal Transient Response
(AV = 2)
Large-Signal Transient Response
(AV = – 1)
VS = ±5V
VIN = ±2.5V
RF = 374Ω
RL = 100Ω
TIME (10ns/DIV)
1395/6/7 G04
2nd and 3rd Harmonic Distortion
vs Frequency
30
TA = 25°C
40 RF = RG = 255Ω
RL = 100Ω
50 VS = ± 5V
VOUT = 2VPP
60
70
HD3 HD2
80
90
100
110
1k
10k 100k 1M 10M 100M
FREQUENCY (Hz)
1397 G07
Input Voltage Noise and Current
Noise vs Frequency
1000
100
–in
10 +in
en
1
10 30 100 300 1k 3k 10k 30k 100k
FREQUENCY (Hz)
1397 G10
VS = ±5V
TIME (10ns/DIV)
VIN = ±1.25V
RF = RG = 255Ω
RL = 100Ω
1395/6/7 G05
VS = ±5V
TIME (10ns/DIV)
VIN = ±2.5V
RF = RG = 280Ω
RL = 100Ω
1395/6/7 G06
Maximum Undistorted Output
Voltage vs Frequency
8
7
AV = +1 AV = +2
6
5
4 TA = 25°C
RF = 374Ω (AV = 1)
3 RF = RG = 255Ω (AV = 2)
RL = 100Ω
VS = ± 5V
2
1M 10M
FREQUENCY (Hz)
100M
1397 G08
Output Impedance vs Frequency
100
RF = RG = 255Ω
RL = 50Ω
AV = +2
10 VS = ± 5V
1
0.1
0.01
10k
100k 1M 10M
FREQUENCY (Hz)
100M
1397 G11
PSRR vs Frequency
80
70
60
– PSRR + PSRR
50
40
30
20 TA = 25°C
RF = RG = 255Ω
10 RL = 100Ω
AV = +2
0
10k 100k
1M
10M
FREQUENCY (Hz)
100M
1397 G09
Maximum Capacitive Load
vs Feedback Resistor
1000
100
10
1
300
RF = RG
AV = +2
VS = ± 5V
PEAKING ≤ 5dB
900 1500 2100 2700 3300
FEEDBACK RESISTANCE (Ω)
1397 G13
5
5 Page 
LT1395/LT1396/LT1397
U
PACKAGE DESCRIPTIO Dimensions in inches (millimeters) unless otherwise noted.
MS8 Package
8-Lead Plastic MSOP
(LTC DWG # 05-08-1660)
0.007
(0.18)
0° – 6° TYP
0.021 ± 0.006
(0.53 ± 0.015)
0.040 ± 0.006
(1.02 ± 0.15)
SEATING
PLANE
0.012
(0.30)
REF
0.0256
(0.65)
BSC
0.034 ± 0.004
(0.86 ± 0.102)
0.006 ± 0.004
(0.15 ± 0.102)
* DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS. MOLD FLASH,
PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
** DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS.
INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
0.118 ± 0.004*
(3.00 ± 0.102)
0.193 ± 0.006
(4.90 ± 0.15)
8 76 5
0.118 ± 0.004**
(3.00 ± 0.102)
MSOP (MS8) 1098
1 234
S8 Package
8-Lead Plastic Small Outline (Narrow 0.150)
(LTC DWG # 05-08-1610)
0.010
(0.254
–
–
0.020
0.508)
×
45°
0.008 – 0.010
(0.203 – 0.254)
0.053 – 0.069
(1.346 – 1.752)
0°– 8° TYP
0.016 – 0.050
(0.406 – 1.270)
0.014 – 0.019
(0.355 – 0.483)
TYP
*DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
**DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
0.004 – 0.010
(0.101 – 0.254)
0.050
(1.270)
BSC
0.228 – 0.244
(5.791 – 6.197)
0.189 – 0.197*
(4.801 – 5.004)
8 765
1 2 34
0.150 – 0.157**
(3.810 – 3.988)
SO8 1298
S Package
14-Lead Plastic Small Outline (Narrow 0.150)
(LTC DWG # 05-08-1610)
0.010
(0.254
–
–
0.020
0.508)
×
45°
0.008 – 0.010
(0.203 – 0.254)
0.053 – 0.069
(1.346 – 1.752)
0° – 8° TYP
0.016 – 0.050
0.014 – 0.019
(0.406 – 1.270)
(0.355 – 0.483)
TYP
*DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
**DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
0.050
(1.270)
BSC
0.337 – 0.344*
(8.560 – 8.738)
14 13 12 11 10
9
8
0.004 – 0.010
(0.101 – 0.254)
0.228 – 0.244
(5.791 – 6.197)
0.150 – 0.157**
(3.810 – 3.988)
1234567
S14 1298
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet LT1396CS8.PDF ] | |
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