ISL59444 查看數據表（PDF） - Renesas Electronics

零件编号

产品描述 (功能)

比赛名单

ISL59444

1GHz, 4x1 Multiplexing Amplifier with Synchronous Controls

Renesas Electronics 

ISL59444

Typical Performance Curves VS = ±5V, RL = 500Ω to GND, TA = +25°C, unless otherwise specified. (Continued)

JEDEC JESD51-7 HIGH EFFECTIVE THERMAL

CONDUCTIVITY TEST BOARD

1.4

1.250W

1.2

1.0

0.8

JA S=O8106°C(0/W.150”)

0.6

0.4

0.2

0

0

25

50

75 85 100 125 150

JEDEC JESD51-3 LOW EFFECTIVE THERMAL

CONDUCTIVITY TEST BOARD

1.0

0.9

909mW

0.8

0.7

0.6

0.5

JA =SO11106°(C0/.W150”)

0.4

0.3

0.2

0.1

0

0

25

50

75 85 100 125 150

AMBIENT TEMPERATURE (°C)

AMBIENT TEMPERATURE (°C)

FIGURE 21. PACKAGE POWER DISSIPATION vs AMBIENT

TEMPERATURE

FIGURE 22. PACKAGE POWER DISSIPATION vs AMBIENT

TEMPERATURE

AC Test Circuits

VIN

50Ω

OR

75Ω

ISL59444

CL

2pF

RL

500Ω

ISL59444

VIN

RS

50Ω

CL 475Ω

50Ω

OR

2pF

OR

75Ω

75Ω

TEST

EQUIPMENT

50Ω

OR

75Ω

FIGURE 23A. TEST CIRCUIT WITH OPTIMAL OUTPUT LOAD

FIGURE 23B. TEST CIRCUIT FOR MEASURING WITH A 50Ω OR 75Ω

INPUT TERMINATED EQUIPMENT

VIN

50Ω

OR

75Ω

ISL59444

RS

CL 50Ω OR 75Ω

2pF

TEST

EQUIPMENT

50Ω

OR

75Ω

FIGURE 23C. BACKLOADED TEST CIRCUIT FOR VIDEO CABLE APPLICATION. BANDWIDTH AND LINEARITY FOR RL LESS THAN 500Ω WILL BE

DEGRADED.

Figure 23A illustrates the optimum output load for testing AC performance. Figure 23B illustrates the optimum output load when

connecting to input terminated equipment. Figure 23C illustrates back loaded test circuit for video cable.

FN7451 Rev 3.00

August 16, 2012

Page 9 of 13

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