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LT1398 Datasheet(PDF) 3 Page - Linear Technology

Part No. LT1398
Description  Low Cost Dual and Triple 300MHz Current Feedback Amplifiers with Shutdown
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Maker  LINER [Linear Technology]
Homepage  http://www.linear.com
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 3 page
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3
LT1398/LT1399/LT1399HV
ELECTRICAL C
C
HARA TERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VINL
Input Voltage Range, Low
VS = ±5V
q
– 3.5
– 4.0
V
VS = 5V, 0V
1.0
V
VOUTH
Maximum Output Voltage Swing, High
VS = ±5V, RL = 100k
3.9
4.2
V
VS = ±5V, RL = 100k
q
3.7
V
VS = 5V, 0V; RL = 100k
4.2
V
VOUTL
Maximum Output Voltage Swing, Low
VS = ±5V, RL = 100k
– 3.9
– 4.2
V
VS = ±5V, RL = 100k
q
– 3.7
V
VS = 5V, 0V; RL = 100k
0.8
V
VOUTH
Maximum Output Voltage Swing, High
VS = ±5V, RL = 150Ω
3.4
3.6
V
VS = ±5V, RL = 150Ω
q
3.2
V
VS = 5V, 0V; RL = 150Ω
3.6
V
VOUTL
Maximum Output Voltage Swing, Low
VS = ±5V, RL = 150Ω
– 3.4
– 3.6
V
VS = ±5V, RL = 150Ω
q
– 3.2
V
VS = 5V, 0V; RL = 150Ω
0.6
V
CMRR
Common Mode Rejection Ratio
VCM = ±3.5V
q
42
52
dB
–ICMRR
Inverting Input Current
VCM = ±3.5V
10
16
µA/V
Common Mode Rejection
VCM = ±3.5V
q
22
µA/V
PSRR
Power Supply Rejection Ratio
VS = ±2V to ±5V, EN = V
q
56
70
dB
+IPSRR
Noninverting Input Current
VS = ±2V to ±5V, EN = V
12
µA/V
Power Supply Rejection
q
3
µA/V
–IPSRR
Inverting Input Current
VS = ±2V to ±5V, EN = V
q
27
µA/V
Power Supply Rejection
AV
Large-Signal Voltage Gain
VOUT = ±2V, RL = 150Ω
50
65
dB
ROL
Transimpedance,
∆VOUT/∆IIN
VOUT = ±2V, RL = 150Ω
40
100
k
IOUT
Maximum Output Current
RL = 0Ω
q
80
mA
IS
Supply Current per Amplifier
VOUT = 0V
q
4.6
6.5
mA
Disable Supply Current per Amplifier
EN Pin Voltage = 4.5V, RL = 150Ω
q
0.1
100
µA
IEN
Enable Pin Current
30
110
µA
q
200
µA
SR
Slew Rate (Note 6)
AV = 10, RL = 150Ω
500
800
V/
µs
tON
Turn-On Delay Time (Note 7)
RF = RG = 324Ω, RL = 100Ω
30
75
ns
tOFF
Turn-Off Delay Time (Note 7)
RF = RG = 324Ω, RL = 100Ω
40
100
ns
tr, tf
Small-Signal Rise and Fall Time
RF = RG = 324Ω, RL = 100Ω, VOUT = 1VP-P
1.3
ns
tPD
Propagation Delay
RF = RG = 324Ω, RL = 100Ω, VOUT = 1VP-P
2.5
ns
os
Small-Signal Overshoot
RF = RG = 324Ω, RL = 100Ω, VOUT = 1VP-P
10
%
tS
Settling Time
0.1%, AV = – 1, RF = RG = 309Ω, RL = 150Ω
25
ns
dG
Differential Gain (Note 8)
RF = RG = 324Ω, RL = 150Ω
0.13
%
dP
Differential Phase (Note 8)
RF = RG = 324Ω, RL = 150Ω
0.10
DEG
The q denotes specifications which apply over the specified operating temperature range, otherwise specifications are at TA = 25°C.
For each amplifier: VCM = 0V, VS = ±5V, EN = 0V, pulse tested, unless otherwise noted. (Note 4)
(LT1398/LT1399)




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