THS4042 Datasheet, PDF (22/34 Pages) National Semiconductor (TI) – 165-MHz C-STABLE HIGH-SPEED AMPLIFIER

THS4041, THS4042
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165ĆMHz CĆSTABLE HIGHĆSPEED AMPLIFIERS
SLOS237B− MAY 1999 − REVISED FEBRUARY 2000
APPLICATION INFORMATION
general PowerPAD design considerations (continued)
THS4042
MAXIMUM RMS OUTPUT CURRENT
vs
RMS OUTPUT VOLTAGE DUE TO THERMAL LIMITS
200
Package With
180
θ_JA ≤ 60°C/W
Maximum Output
Current Limit Line
160
140
120
100
80
60
40
20
0
0
SO-8 Package
θ_JA = 167°C/W
Low-K Test PCB
Safe Operating Area
SO-8 Package
θ_JA = 98°C/W
High-K Test PCB
VCC = ±5 V
TJ = 150°C
TA = 50°C
Both Channels
1
2
3
4
5
| VO | − RMS Output Voltage − V
Figure 74
THS4042
MAXIMUM RMS OUTPUT CURRENT
vs
RMS OUTPUT VOLTAGE DUE TO THERMAL LIMITS
1000
VCC = ±15 V
TJ = 150°C
TA = 50°C
Both Channels
Maximum Output
Current Limit Line
100
SO-8 Package
10
θ_JA = 98°C/W
High-K Test PCB
DGN Package
θ_JA = 58.4°C/W
SO-8 Package
θ_JA = 167°C/W
Safe Operating Area ^{Low-K Test PCB}
1
0
3
6
9
12
15
| VO | − RMS Output Voltage − V
Figure 75
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