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| 型号： | TC4864EUAG |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 0.74 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| 封装： | MSOP-8 |
| 文件页数： | 16/18页 |
| 文件大小： | 648K |
| 代理商： | TC4864EUAG |
2001 Microchip Technology Inc.
DS21483
TC4864
300mW Audio Power Amplifier with Shutdown Mode
TC4864-1 12/20/00
RM
TC4864 EVALUATION BOARD
The TC4864 Evaluation Board is a 2.5” x 3.5” circuit
board containing a socketed TC4864 and all of the neces-
sary external components required to drive a speaker in the
bridged mode configuration. The board contains an eight-
ohm speaker for user convenience, however an external
speaker or resistive load can be connected to the TC4864’s
output stage through test points TP6 and TP7.
The evaluation board is fully assembled with the re-
quired external resistors, capacitors, and potentiometer
which allow the user to adjust the differential voltage gain
[i.e. AVD = (2 * (R2 + R3)) / R1] and make dynamic audio
measurements at the TC4864’s driver outputs. For conve-
nience, several test points and jumpers are available for
measuring various voltages and currents on the circuit
board.
Figure 2. TC4864 Evaluation Board Schematic
Figure 2 is a schematic of the TC4864 Evaluation Board,
and Figure 3 shows the assembly drawing and artwork for
the board. Table 1 lists the voltages that are monitored by
the test points and Table 2 lists the currents that can be
measured as well as the various operating modes of the
demo card using the jumpers on the board. NOTE: Never
operate the TC4864 Evaluation Board with both J6 and J7
connected simultaneously! Table 3 lists the differential
voltage gain (AVD) the user can set by adjusting poten-
tiometer R3.
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相关代理商/技术参数 |
参数描述 |
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| TC4-8S123.3 | 制造商:TRUMPOWER 制造商全称:Tumbler Technologies + TRUMPower 功能描述:DC/DC CONVERTERS 2:1 Input, 10 Watt |
| TC4-8S243.3 | 制造商:TRUMPOWER 制造商全称:Tumbler Technologies + TRUMPower 功能描述:DC/DC CONVERTERS 2:1 Input, 10 Watt |
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| TC-49.152MBD-T | 功能描述:标准时钟振荡器 49.152MHz 3.3V 25ppm -40C to 85C RoHS:否 制造商:AVX 产品:Standard Clock Oscillators 封装 / 箱体:7 mm x 5 mm 频率:75 MHz 频率稳定性:50 PPM 电源电压:2.5 V 负载电容: 端接类型:SMD/SMT 最小工作温度:0 C 最大工作温度:+ 70 C 输出格式:LVDS 尺寸: 封装:Reel 系列: |
| TC-49.152MBE-T | 制造商:TXC Corporation 功能描述:OSC MEMS 49.152 MHZ 3.3V SMD |
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