(VCC = VCPVDD
參數(shù)資料
型號(hào): MAX9730EWP+TG45
廠商: Maxim Integrated Products
文件頁數(shù): 8/12頁
文件大?。?/td> 0K
描述: IC AMP AUDIO PWR 2.4W MONO 20WLP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
類型: G 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: 2.4W x 1 @ 8 歐姆
電源電壓: 2.7 V ~ 5.5 V
特點(diǎn): 消除爆音,差分輸入,關(guān)閉
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: 20-WLP
封裝/外殼: 20-WFBGA,WLBGA
包裝: 帶卷 (TR)
Typical Operating Characteristics (continued)
(VCC = VCPVDD = VSHDN = 3.6V, VGND = VCPGND = 0V, RIN+ = RIN- = 10kΩ, RFB+ = RFB- = 10kΩ, RFS = 100kΩ, C1 = 4.7F, C2 =
10F, RL = 8Ω; speaker load resistors (RL) are terminated between OUT+ and OUT-, unless otherwise stated; TA = TMIN to TMAX,
unless otherwise noted. Typical values are at TA = +25°C.) (Notes 1, 2)
MAX9730
2.4W, Single-Supply, Class G Power Amplifier
_______________________________________________________________________________________
5
POWER EFFICIENCY
vs. OUTPUT POWER
MAX9730
toc10
OUTPUT POWER (W)
EFFICIENCY
(%)
2
1
10
20
30
40
50
60
70
0
03
VCC = 5V
fIN = 1kHz
STARTUP WAVEFORM
MAX9730 toc11
10ms/div
SHDN
5V/div
OUT+ - OUT-
500mV/div
SHUTDOWN WAVEFORM
MAX9730 toc12
10ms/div
SHDN
5V/div
OUT+ - OUT-
500mV/div
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX9730
toc13
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(mA)
5.5
5.0
4.5
4.0
3.5
3.0
2
4
6
8
10
12
0
2.5
6.0
SHUTDOWN CURRENT
vs. SUPPLY VOLTAGE
MAX9730
toc14
SUPPLY VOLTAGE (V)
SHUTDOWN
CURRENT
A)
5.5
5.0
4.0
4.5
3.5
3.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0
2.5
6.0
OUTPUT POWER
vs. SUPPLY VOLTAGE
MAX9730
toc15
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(W)
5.5
5.0
3.0
3.5
4.0
4.5
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0
2.5
6.0
10% THD+N
1% THD+N
fIN = 1kHz
OUTPUT POWER
vs. LOAD RESISTANCE
MAX9730
toc16
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(W)
80
60
40
20
0.5
1.0
1.5
2.0
2.5
3.0
0
0100
VCC = 5V
VCC = 3.6V
fIN = 1kHz
POUT AT 1% THD+N
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