LT1395/LT1396/LT1397
Single/Dual/Quad 400MHz
Current Feedback Ampli er
FEATURES DESCRIPTION
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400MHz Bandwidth on 5V (A = 1)
The LT 1395/LT1396/LT1397 are single/dual/quad 400MHz
V
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350MHz Bandwidth on 5V (A = 2, 1)
current feedback ampli ers with an 800V/s slew rate and
V
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0.1dB Gain Flatness: 100MHz (A = 1, 2 and 1)
the ability to drive up to 80mA of output current.
V
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High Slew Rate: 800V/s
The LT1395/LT1396/LT1397 operate on all supplies from a
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Wide Supply Range: 2V(4V) to 6V(12V)
single 4V to 6V. At 5V, they draw 4.6mA of supply cur-
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80mA Output Current
rent per ampli er. The LT1395CS6 also adds a shutdown
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Low Supply Current: 4.6mA/Ampli er
pin. When disabled, the LT1395CS6 draws virtually zero
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LT1395: SO-8, TSOT23-5 and TSOT23-6 Packages
supply current and its output becomes high impedance.
LT1396: SO-8, MSOP and Tiny 3mm 3mm
The LT1395CS6 will turn on in only 30ns and turn off in
0.75mm DFN-8 Packages
40ns, making it ideal in spread spectrum and portable
LT1397: SO-14, SSOP-16 and Tiny 4mm 3mm
equipment applications.
0.75mm DFN-14 Packages
For space limited applications, the LT1395 is available in
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Low Pro le (1mm) ThinSOT Package
TSOT-23 packages, the LT1396 is available in a tiny 3mm
3mm 0.75mm dual ne pitch leadless DFN package, and
APPLICATIONS
the LT1397 is available in a tiny 4mm 3mm 0.75mm
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Cable Drivers
DFN package.
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Video Ampli ers
The LT1395/LT1396/LT1397 are manufactured on Linear
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MUX Ampli ers
Technologys proprietary complementary bipolar process.
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High Speed Portable Equipment
They have standard single/dual/quad pinouts and they are
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IF Ampli ers
optimized for use on supply voltages of 5V.
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
TYPICAL APPLICATION
Loop-Through Ampli er
Unity-Gain Video Loop-Through Ampli er Frequency Response
R 10
R R R
G2
G1 F1 F2
1.02k 255 63.4 255
0
NORMAL SIGNAL
10
20
1/2 1/2
V
OUT
V +
V LT1396 LT1396
3.01k 3.01k IN
IN
30
+ +
1% RESISTORS
40
FOR A GAIN OF G:
V = G (V + V ) COMMON MODE SIGNAL
0.67pF 12.1k 0.67pF 12.1k
OUT IN IN
50
R = R
F1 F2
R = (5G 1) R
G1 F2
60
R
HIGH INPUT RESISTANCE F2
R = 100 1k 10k 100k 1M 10M 100M 1G
G2
DOES NOT LOAD CABLE (5G 1)
BNC INPUTS
EVEN WHEN POWER IS OFF TRIM CMRR WITH R FREQUENCY (Hz)
G1
1395/6/7 TA02
1395/6/7 TA01
139567fd
1
GAIN (dB)LT1395/LT1396/LT1397
ABSOLUTE MAXIMUM RATINGS (Note 1)
+
Total Supply Voltage (V to V ) .............................12.6V Speci ed Temperature Range (Note 5)
Input Current (Note 2) ......................................... 10mA LT1395C/LT1396C/LT1397C .................... 0C to 70C
Output Current .................................................. 100mA LT1397H ........................................... 40C to 125C
Differential Input Voltage (Note 2).............................5V Storage Temperature Range .................. 65C to 150C
Output Short-Circuit Duration (Note 3) ........ Continuous Storage Temperature Range
Operating Temperature Range (Note 4) (DD Package) .................................... 65C to 125C
LT1395C/LT1396C/LT1397C ................ 40C to 85C Junction Temperature (Note 6) 150C
LT1397H ........................................... 40C to 125C Junction Temperature (DD Package) (Note 6) ..... 125C
Lead Temperature (Soldering, 10 sec) ................. 300C
PIN CONFIGURATION
TOP VIEW
1 OUT D
OUT A 16
TOP VIEW
2 IN D
IN A 15
OUT A 1 14 OUT D + +
TOP VIEW
3 +IN D
+IN A 14
IN A 2 13 IN D
+
4 V
V 13
+ +IN A 3 12 +IN D
OUT A 1 8 V
5 +IN C
+IN B 12
+ + +
V 4 11 V
IN A 2 7 OUT B
6 IN C
IN B 11
+IN B 5 10 +IN C
+IN A 3 6 IN B
7 OUT C
IN B 6 9 IN C OUT B 10
V 4 5 +IN B
OUT B 7 8 OUT C 8 NC
NC 9
GN PACKAGE
DD PACKAGE DE14 PACKAGE
16-LEAD PLASTIC SSOP
8-LEAD (3mm 3mm) PLASTIC DFN 14-LEAD (4mm 3mm) PLASTIC DFN
T = 150C, = 160C/W (NOTE 3) T = 150C, = 43C/W, = 4.3C/W T = 150C, = 135C/W
JMAX JA JMAX JA JC JMAX JA
EXPOSED PAD (PIN 15) IS V
UNDERSIDE METAL CONNECTED TO V
MUST BE SOLDERED TO PCB
(PCB CONNECTION OPTIONAL)
TOP VIEW
OUT A 1 14 OUT D
IN A 2 13 IN D
+ +
+IN A 3 12 +IN D
+ TOP VIEW
V 4 11 V
TOP VIEW
+
+IN B 5 10 +IN C
+ + OUT 1 5 V
+
OUT A 1 8 V
IN A 2 7 OUT B IN B 6 9 IN C V 2
+
+
+IN A 3 6 IN B
+IN 3 4 IN
OUT B 7 8 OUT C
+
V 4 5 +IN B
MS8 PACKAGE S PACKAGE S5 PACKAGE
8-LEAD PLASTIC MSOP 14-LEAD PLASTIC SO 5-LEAD PLASTIC TSOT-23
T = 150C, = 250C/W T = 150C, = 100C/W T = 150C, = 250C/W
JMAX JA JMAX JA JMAX JA
139567fd
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