參數(shù)資料
型號: MAX9707ETX+T
廠商: Maxim Integrated Products
文件頁數(shù): 3/25頁
文件大?。?/td> 0K
描述: IC AMP AUDIO 2.3W STER+1 36TQFN
標準包裝: 2,500
類型: D 類
輸出類型: 2-通道(立體聲)帶超低音器
在某負載時最大輸出功率 x 通道數(shù)量: 2.3W x 3 @ 4 歐姆
電源電壓: 4.5 V ~ 5.5 V
特點: 消除爆音,短路保護和熱保護,關閉
安裝類型: 表面貼裝
供應商設備封裝: 36-TQFN 裸露焊盤(6x6)
封裝/外殼: 36-WFQFN 裸露焊盤
包裝: 帶卷 (TR)
MAX9706/MAX9707
3-Channel, 2.3W, Filterless Class D Amplifiers
with Active Crossover
______________________________________________________________________________________
11
Typical Operating Characteristics—Headphone Mode (continued)
(VDD = PVDD = HPVDD = 5V, GND = PGND = CPGND = 0V, SHDN = VDD, GAIN1 = GAIN2 = GND (+9dB), FS0 = FS1 = GND (800Hz),
MGAIN = float (-6dB), SYNC_IN = VDD (SSM), speaker load RL connected between OUT+ and OUT-, unless otherwise noted, RL =
∞.
Headphone load RLH connected between HPR/HPL to GND. CBIAS = 1F to GND, 1F capacitor between C1P and C1N, CVSS = 1F.
TA = TMIN to TMAX, unless otherwise noted. Typical values at TA = +25°C.)
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX9706
toc31
FREQUENCY (Hz)
PSRR
(dB)
10k
1k
100
-100
-80
-60
-40
-20
0
-120
10
100k
VRIPPLE = 100mVP-P
INPUTS AC-GROUNDED
RIGHT
LEFT
CROSSTALK vs. FREQUENCY
MAX9706
toc32
FREQUENCY (Hz)
CROSSTALK
(dB)
10k
1k
100
-70
-60
-50
-40
-30
-20
-10
0
-80
10
100k
RL = 32
POUT = 32mW
RIGHT TO LEFT
LEFT TO RIGHT
OUTPUT POWER
vs. CHARGE-PUMP CAPACITANCE
MAX9706
toc33
LOAD (
)
OUTPUT
POWER
(mW)
45
40
20
25
30
35
30
40
50
60
70
80
90
100
20
15
50
f = 1kHz
THD+N = 1%
C1 = C2 = 0.22
F
C1 = C2 = 0.47
F
C1 = C2 = 1
F
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX9706
toc34
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(mA)
5.0
4.5
4.0
3.5
10
20
30
40
0
3.0
5.5
SUPPLY VOLTAGE = IVDD + IHPVDD
HPS = GND
HPVDD = 3.3V
HPS = VDD
VDD = 5V
OUTPUT FREQUENCY SPECTRUM
MAX9706
toc35
FREQUENCY (kHz)
OUTPUT
MAGNITUDE
(dBV)
15
10
5
-120
-100
-80
-60
-40
-20
0
-140
020
VOUT = -60dBV
f = 1kHz
RL = 32
TURN-ON/-OFF RESPONSE
MAX9706 toc36
2V/div
1V/div
100ms/div
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