Ri INP INM VP
參數(shù)資料
型號(hào): NCP2820EVB
廠商: ON Semiconductor
文件頁數(shù): 19/21頁
文件大?。?/td> 0K
描述: BOARD EVAL NCP2820
產(chǎn)品變化通告: 1Q2012 Discontinuation 30/Mar/2012
設(shè)計(jì)資源: NCP2820EVB Gerber Files
標(biāo)準(zhǔn)包裝: 1
放大器類型: D 類
輸出類型: 1-通道(單聲道)
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量: 2.65W x 1 @ 4 歐姆
電源電壓: 2.5 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
板類型: 完全填充
已用 IC / 零件: NCP2820
已供物品:
NCP2820 Series
http://onsemi.com
7
Figure 2. Test Setup for Graphs
OUTM
OUTP
GND
Ri
INP
INM
VP
Ri
Ci
+
+
4.7 mF
+
Audio Input
Signal
Load
30 kHz
Low Pass
Filter
Measurement
Input
Power
Supply
NCP2820
NOTES:
1. Unless otherwise noted, Ci = 100 nF and Ri= 150 kW. Thus, the gain setting is 2 V/V and the cutoff frequency of the
input high pass filter is set to 10 Hz. Input capacitors are shorted for CMRR measurements.
2. To closely reproduce a real application case, all measurements are performed using the following loads:
RL = 8 W means Load = 15 mH + 8 W + 15 mH
RL = 4 W means Load = 15 mH + 4 W + 15 mH
Very low DCR 15
mH inductors (50 mW) have been used for the following graphs. Thus, the electrical load
measurements are performed on the resistor (8
W or 4 W) in differential mode.
3. For Efficiency measurements, the optional 30 kHz filter is used. An RC lowpass filter is selected with
(100
W, 47 nF) on each PWM output.
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