參數(shù)資料
型號(hào): MAX98502EWE+T
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 12/15頁(yè)
文件大小: 0K
描述: IC AMP AUD 2.2W BOOST D 16WLP
標(biāo)準(zhǔn)包裝: 2,500
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: 4.1W x 1 @ 4 歐姆
電源電壓: 2.5 V ~ 5.5 V
特點(diǎn): 消除爆音,差分輸入,關(guān)閉
安裝類型: *
供應(yīng)商設(shè)備封裝: *
封裝/外殼: *
包裝: *
6 ______________________________________________________________________________________
MAX98502
Boosted 2.2W Class D Amplifier
with Automatic Level Control
Typical Operating Characteristics (continued)
(VBAT = 3.6V, RL = ∞ between SPKP and SPKN, AV = +15.5dB, RKNEE = VBAT, 20Hz to 22kHz AC measurement bandwidth, unless
otherwise noted.)
Speaker
THD+N vs. FREQUENCY
MAX98502
toc07
FREQUENCY (kHz)
THD+N
(%)
10
1
0.1
0.01
0.1
1
10
0.001
0.01
100
POUT = 1.4W
ZLOAD = 8I + 68H
POUT = 400W
THD+N vs. OUTPUT POWER
MAX98502
toc10
OUTPUT POWER (W)
THD+N
(%)
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.01
0.1
1
10
100
0.001
0
4.5
ZLOAD = 4I + 33H
CVCCOUT = 22F (0804)
f = 6kHz
f = 1kHz
f = 100kHz
FREQUENCY (kHz)
1
100
PSRR
(dB)
10
0.1
0.01
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX98502
toc15
-100
-80
-60
-40
-20
0
-120
VRIPPLE = 200mVP-P
INPUTS AC-COUPLED AGND
THD+N vs. FREQUENCY
MAX98502
toc08
FREQUENCY (kHz)
THD+N
(%)
10
1
0.1
0.01
0.1
1
10
0.001
0.01
100
POUT = 2.5W
ZLOAD = 4I + 33H
CVCCOUT = 22F (0804)
POUT = 500W
OUTPUT POWER vs. LOAD RESISTANCE
MAX98502
toc11
LOAD RESISTANCE (I)
OUTPUT
POWER
(W)
100
10
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
0
11k
THD+N = 10%
THD+N = 1%
fIN = 1kHz
ZSPRK = LOAD + 68F
THD+N vs. OUTPUT POWER
MAX98502
toc09
OUTPUT POWER (W)
THD+N
(%)
2.0
1.6
1.2
0.8
0.4
0.01
0.1
1
10
100
0.001
0
2.4
ZLOAD = 8I + 68H
f = 6kHz
f = 1kHz
f = 100kHz
OUTPUT POWER vs. BATTERY VOLTAGE
MAX98502
toc12
VBAT (V)
OUTPUT
POWER
(W)
5.0
4.5
4.0
3.5
3.0
0.5
1.0
1.5
2.0
2.5
3.0
0
2.5
5.5
THD+N = 10%
THD+N = 1%
fIN = 1kHz
ZSPRK = 8I + 68F
OUTPUT POWER vs. BATTERY VOLTAGE
MAX98502
toc13
VBAT (V)
OUTPUT
POWER
(W)
5.0
4.5
4.0
3.5
3.0
1
2
3
4
5
0
2.5
5.5
THD+N = 10%
THD+N = 1%
fIN = 1kHz
ZSPRK = 4I + 33F
GAIN vs. FREQUENCY
MAX98502
toc14
FREQUENCY (kHz)
GAIN
(dB)
100
10
1
0.1
-30
-20
-10
0
10
20
30
-40
0.01
1000
AV = 6dB
AV = 15.5dB
AV = 20dB
ZLOAD = 8I + 68H
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