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參數(shù)資料
| 型號： | MAX9724BETC+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 17/19頁 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO .045W STER 12TQFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 系列： | DirectDrive® |
| 類型： | AB 類 |
| 輸出類型： | 耳機(jī)，2-通道（立體聲） |
| 在某負(fù)載時最大輸出功率 x 通道數(shù)量： | 63mW x 2 @ 32 歐姆 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 特點(diǎn)： | 消除爆音，短路保護(hù)和熱保護(hù)，關(guān)閉 |
| 安裝類型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 12-TQFN EP（3x3） |
| 封裝/外殼： | 12-WQFN 裸露焊盤 |
| 包裝： | 帶卷 (TR) |
| 配用： | MAX9724AEVKIT+-ND - EVALUATION KIT FOR MAX9724A/B MAX9724DEVKIT+-ND - KIT EVAL FOR MAX9724D |
MAX9724A/MAX9724B
60mW, DirectDrive, Stereo Headphone Amplifier
with Low RF Susceptibility and Shutdown
_______________________________________________________________________________________
7
0
-120
10
100
10k
100k
CROSSTALK vs. FREQUENCY
-100
-80
-40
-60
-20
MAX9724
toc28
FREQUENCY (Hz)
CROSSTALK
(dB)
1k
RIGHT TO LEFT
LEFT TO RIGHT
POUT = 15mW
RL = 16
Ω
20
40
30
60
50
70
80
0
100
150
50
OUTPUT POWER vs. LOAD RESISTANCE AND
CHARGE-PUMP CAPACITOR SIZE (TQFN)
MAX9724
toc29
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(mW)
VDD = 5V
fIN = 1kHz
THD+N = 1%
C1 = C2 = 2.2
μF
C1 = C2 = 1
μF
C1 = C2 = 0.47
μF
0
40
30
20
10
60
50
70
80
0
100
150
50
OUTPUT POWER vs. LOAD RESISTANCE AND
CHARGE-PUMP CAPACITOR SIZE (UCSP)
MAX9724
toc30
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(mW)
VDD = 5V
fIN = 1kHz
THD+N = 1%
C1 = C2 = 2.2
μF
C1 = C2 = 1
μF
C1 = C2 = 0.47
μF
-140
-110
-130
-70
-90
-50
-120
-80
-100
-60
-40
0
5
10
15
20
OUTPUT SPECTRUM vs. FREQUENCY
MAX9724
toc31
FREQUENCY (kHz)
AMPLITUDE
(dBV)
RL = 32
Ω
VDD = 3V
fIN = 1kHz
VOUT = -60dBV
2.8
3.1
2.9
3.3
3.0
3.4
3.2
3.5
2.5
3.0
4.0
3.5
4.5
5.0
5.5
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX9724
toc32
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(mA)
NO LOAD
INPUTS
GROUND
SHUTDOWN CURRENT
vs. SUPPLY VOLTAGE (TQFN)
MAX9724
toc33
SUPPLY VOLTAGE (V)
SHUTDOWN
CURRENT
(nA)
5.0
4.5
4.0
3.5
3.0
20
40
60
80
100
120
140
0
2.5
5.5
NO LOAD INPUTS GND
Typical Operating Characteristics (continued)
(VDD = 5V, PGND = SGND = 0V, SHDN = VDD, C1 = C2 = 1F, RL = ∞, gain = -1.5V/V (RIN = 20kΩ, RF = 30kΩ for the MAX9724A),
THD+N measurement bandwidth = 22Hz to 22kHz, both outputs driven in phase, TA = +25°C, unless otherwise noted.)
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| MAX9724BEUD-T | 制造商:Maxim Integrated Products 功能描述:- Tape and Reel |
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