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LT1259 Datasheet(PDF) 4 Page - Linear Technology

Part No. LT1259
Description  Low Cost Dual and Triple 130MHz Current Feedback Amplifiers with Shutdown
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Maker  LINER [Linear Technology]
Homepage  http://www.linear.com
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LT1259 Datasheet(HTML) 4 Page - Linear Technology

 
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4
LT1259/LT1260
The q denotes specifications which apply over the specified operating
temperature range.
Note 1: A heat sink may be required depending on the power supply
voltage and how many amplifiers have their outputs short circuited.
Note 2: Commercial grade parts are designed to operate over the
temperature range of – 40
°C to 85°C but are neither tested nor guaranteed
beyond 0
°C to 70°C. Industrial grade parts specified and tested over
–40
°C to 85°C are available on special request. Consult factory.
Note 3: Ground pins are not internally connected. For best
performance, connect to ground.
Note 4: TJ is calculated from the ambient temperature TA and the
power dissipation PD according to the following formulas:
LT1259CN/LT1259IN: TJ = TA + (PD • 70°C/W)
LT1259CS/LT1259IS: TJ = TA + (PD • 110°C/W)
LT1260CNLT1260IN/: TJ = TA + (PD • 70°C/W)
LT1260CS/LT1260IS: TJ = TA + (PD • 100°C/W)
Note 5: The supply current of the LT1259/LT1260 has a negative
temperature coefficient. See Typical Performance Characteristics.
Note 6: Slew rate is measured at
±5V on a ±10V output signal while
operating on
±15V supplies with RF = 1k, RG = 110Ω and RL = 1k.
Note 7: Turn-on delay time is measured while operating on
±5V
supplies with RF = 1k, RG = 110Ω and RL = 150Ω. The tON is measured
from control input to appearance of 0.5V at the output, for VIN = 0.1V.
Likewise, turn-off delay time is measured from control input to
appearance of 0.5V on the output for VIN = 0.1V.
Note 8: Differential gain and phase are measured using a Tektronix
TSG120YC/NTSC signal generator and a Tektronix 1780R Video
Measurement Set. The resolution of this equipment is 0.1% and 0.1
°.
Six identical amplifier stages were cascaded giving an effective
resolution of 0.016% and 0.016
°.
SMALL SIGNAL
SMALL SIGNAL
SMALL SIGNAL
VS (V)
AV
RL (Ω)RF (Ω)RG (Ω)
– 3dB BW (MHz)
0.1dB BW (MHz)
PEAKING (dB)
±12
2
150
1.5k
1.5k
130
53
0.1
±5
2
150
1.1k
1.1k
93
40
0
±12
10
150
1.1k
121
69
20
0.13
±5
10
150
825
90.9
61
16
0
±12V Frequency Response, AV = 2
FREQUENCY (MHz)
1
2
4
6
8
10
10
100
LT1259/60 • TPC01
3
5
7
9
11
12
–200
–160
–120
–80
–40
–180
–140
–100
–60
0
PHASE
GAIN
VS = ±12V
RL = 150Ω
RF = RG = 1.5k
–20
FREQUENCY (MHz)
1
16
18
20
22
24
10
100
LT1259/60 • TPC01
17
19
21
23
25
26
–200
–160
–120
–80
–40
–180
–140
–100
–60
0
PHASE
GAIN
VS = ±12V
RL = 150Ω
RF = 1.1k
RG = 121Ω
–20
±12V Frequency Response, AV = 10
ELECTRICAL CHARACTERISTICS
TYPICAL AC PERFOR A CE
TYPICAL PERFOR A CE CHARACTERISTICS


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