(MAX98400A, V
參數(shù)資料
型號: MAX98400BETG+T
廠商: Maxim Integrated Products
文件頁數(shù): 25/26頁
文件大?。?/td> 0K
描述: IC AMP AUDIO STEREO D 24TQFN
產(chǎn)品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 2,500
類型: D 類
輸出類型: 2 通道(立體聲)
在某負載時最大輸出功率 x 通道數(shù)量: 12W x 2 @ 8 歐姆
電源電壓: 8 V ~ 28 V
特點: 消除爆音,差分輸入,短路和熱保護,關閉
安裝類型: 表面貼裝
供應商設備封裝: 24-TQFN-EP(4x4)
封裝/外殼: 24-WFQFN 裸露焊盤
包裝: 帶卷 (TR)
Stereo, High-Power, Class D Amplifiers
MAX98400A/MAX98400B
8
Typical Operating Characteristics (continued)
(MAX98400A, VPVDD = 18V, VSHDN = 5V, LIM_TH = VS, TEMPLOCK = unconnected; G1 = GND, G2 = open (gain = 20.1dB), CIN =
CREL = C1 = C2 = 1FF, typical values are at TA = +25NC, unless otherwise noted.)
MAX98400
toc10
TOTAL OUTPUT POWER (W)
50
40
30
20
10
0
60
EFFICIENCY vs. OUTPUT POWER
EFFICIENCY
(%)
10
20
30
40
50
60
70
80
90
100
0
VPVDD = 24V,
8I LOAD,
BOTH CHANNELS DRIVEN
MAX98400
toc11
TOTAL OUTPUT POWER (W)
30
20
10
0
40
EFFICIENCY vs. OUTPUT POWER
EFFICIENCY
(%)
10
20
30
40
50
60
70
80
90
100
0
VPVDD = 12V,
4I LOAD,
BOTH CHANNELS DRIVEN
MAXIMUM OUTPUT POWER vs. SUPPLY VOLTAGE
(WITH THERMAL SHUTDOWN)
MAX98400
toc12
SUPPLY VOLTAGE (V)
MAXIMUM
OUTPUT
POWER
(W)
24
20
16
12
10
20
30
40
50
60
70
80
90
100
0
8
28
8I LOAD, BOTH
CHANNELS ARE DRIVEN
10% THD+N
1% THD+N
MAXIMUM OUTPUT POWER vs. SUPPLY VOLTAGE
(WITH THERMAL SHUTDOWN)
MAX98400
toc13
SUPPLY VOLTAGE (V)
MAXIMUM
OUTPUT
POWER
(W)
14
12
10
20
30
40
50
60
0
8
16
10% THD+N
1% THD+N
4I LOAD, BOTH CHANNELS ARE DRIVEN
OUTPUT POWER vs. LOAD
MAX98400
toc14
LOAD (I)
P OUT
(W
)
90
80
10 20 30
50 60
40
70
5
10
15
20
25
30
35
40
0
100
VPVDD = 12V
10% THD+N
1% THD+N
OUTPUT POWER vs. LOAD
MAX98400
toc15
LOAD (I)
P OUT
(W
)
90
80
60 70
20 30 40 50
10
5
10
15
20
25
30
35
40
45
50
0
100
10% THD+N
1% THD+N
VPVDD = 18V
OUTPUT POWER vs. LOAD
MAX98400
toc16
LOAD (I)
P OUT
(W
)
90
80
10 20 30
50 60
40
70
10
20
30
40
50
60
70
80
0
100
10% THD+N
1% THD+N
VPVDD = 24V
POWER-SUPPLY REJECTION RATIO
MAX98400
toc17
FREQUENCY (kHz)
PSRR
(dB)
10
1
0.1
-70
-60
-50
-40
-30
-20
-10
0
10
-80
0.01
100
100mVP-P RIPPLE
FREQUENCY (kHz)
1
100
CROSSTALK
(dB)
10
0.1
0.01
CROSSTALK vs. FREQUENCY
MAX98400
toc18
-80
-60
-40
-20
0
8I LOAD,
POUT = 1W,
f = 1kHz
20
-100
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