參數(shù)資料
型號(hào): MAX9724DETC+T
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 17/19頁(yè)
文件大?。?/td> 0K
描述: IC AMP AUDIO .063W 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(shí)最大輸出功率 x 通道數(shù)量: 63mW x 2 @ 32 歐姆
電源電壓: 2.5 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
MAX9724C/MAX9724D
Low RF Susceptibility DirectDrive Stereo Head-
phone Amplifier with 1.8V Compatible 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
2.5
2.8
2.7
2.6
2.9
3.0
3.1
3.2
3.3
3.4
3.5
2.5
3.5
3.0
4.0
4.5
5.0
5.5
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX9724
toc32
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(mA)
NO LOAD
INPUT GROUNDED
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 MAX9724C),
THD+N measurement bandwidth = 22Hz to 22kHz, both outputs driven in phase, TA = +25°C, unless otherwise noted.)
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