14 FN6785.0 July 29, 2010 Typical Performance Characteristics Test Considerations Typical performance measurements are made" />
參數(shù)資料
型號(hào): D2-45057-QR-T
廠商: Intersil
文件頁(yè)數(shù): 6/31頁(yè)
文件大?。?/td> 0K
描述: IC DGTL AMP PWM CTRLR 68QFN
標(biāo)準(zhǔn)包裝: 3,000
系列: D2Audio™
類型: D 類
輸出類型: 2 通道(立體聲)
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量: 30W x 1 @ 8 歐姆
電源電壓: 9 V ~ 26 V
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: 68-QFN 裸露焊盤(pán)(10x10)
封裝/外殼: 68-VFQFN 裸露焊盤(pán)
包裝: 帶卷 (TR)
D2-45057, D2-45157
14
FN6785.0
July 29, 2010
Typical Performance Characteristics
Test Considerations
Typical performance measurements are made using an Audio Precision 2700 Series audio analyzer.
Precision power resistors are used for the 8Ω loudspeaker loads
Measurements are done using a +HV supply of +24.0VDC.
Full-Bridge Typical Performance Curves
FIGURE 4. THD vs POWER, FULL-BRIDGE
FIGURE 5. THD vs FREQUENCY, FULL-BRIDGE
FIGURE 6. FREQUENCY RESPONSE, FULL-BRIDGE
FIGURE 7. NOISE FLOOR, FULL-BRIDGE
0.01
10.00
0.02
0.05
0.10
0.20
0.50
1.00
2.00
5.00
THD
(%)
0.06
50
0.1
0.2
0.5
1
2
5
10
20
POWER (W)
HVDD = 24.0V,
8Ω LOAD, 1kHz
0.001
1.000
0.002
0.005
0.010
0.020
0.050
0.100
0.200
0.500
20
20k
50
100 200
500
1k
2k
5k
10k
FREQUENCY (Hz)
P = 25W
THD
(%)
P = 14W
P = 7W
P = 1W
HVDD = 24.0V, 8Ω LOAD,
AT 1W, 7W, 14W, 25W POWER OUT
-6
6
-5
-4
-3
-2
-1
-0
1
2
3
4
5
dB
rA
30
10k
50
100 200
500
1k
2k
5k
FREQUENCY (Hz)
HVDD = 24.0V,
8Ω LOAD, 3.5W
-120
-50
-115
-110
-105
-100
-95
-90
-85
-80
-75
-70
-65
-60
-55
dB
rA
-60
+0
-55 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5
dBFS
< -115dB, UN-WEIGHTED
HVDD = 24.0V, 8Ω LOAD,
AT 1kHz, REFERENCE TO 30W
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