參數(shù)資料
型號: MAX9725DETC+T
廠商: Maxim Integrated Products
文件頁數(shù): 13/17頁
文件大?。?/td> 0K
描述: IC AMP AUDIO .025W 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,2-通道(立體聲)
在某負(fù)載時最大輸出功率 x 通道數(shù)量: 25mW x 2 @ 16 歐姆
電源電壓: 900 mV ~ 1.8 V
特點: 消除爆音,短路保護,關(guān)機
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: 12-TQFN-EP(4x4)
封裝/外殼: 12-WQFN 裸露焊盤
包裝: 帶卷 (TR)
MAX9725
1V, Low-Power, DirectDrive, Stereo Headphone
Amplifier with Shutdown
_______________________________________________________________________________________
5
Typical Operating Characteristics (continued)
(VDD = 1.5V, VPGND = VSGND = 0V, VSHDN = 1.5V, VSS = VPVSS, C1 = C2 = 1F, CIN = 1F, THD+N measurement bandwidth = 22Hz
to 22kHz, TA = +25
°C, unless otherwise noted.) (See the Functional Diagrams.)
100
0
5
10
15
10
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9725
toc07
OUTPUT POWER (mW)
THD+N
(%)
VDD = 1V
RL = 16
Ω
AV = -2V/V
fIN = 20Hz
fIN = 1kHz
fIN = 10kHz
100
0
5
10
15
10
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9725
toc08
OUTPUT POWER (mW)
THD+N
(%)
VDD = 1V
RL = 32
Ω
AV = -2V/V
fIN = 20Hz
fIN = 1kHz
fIN = 10kHz
10
100
10k
1k
100k
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX9725
toc09
FREQUENCY (Hz)
PSRR
(dB)
-10
-110
-60
-50
-40
-30
-20
-70
-80
-90
-100
VDD = 1.5V
RL = 32
Ω
10
100
10k
1k
100k
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX9725
toc10
FREQUENCY (Hz)
PSRR
(dB)
0
-100
-50
-40
-30
-20
-10
-60
-70
-80
-90
VDD = 1V
RL = 32
Ω
10
100
10k
1k
100k
CROSSTALK vs. FREQUENCY
MAX9725
toc11
FREQUENCY (Hz)
PSRR
(dB)
0
-20
-40
-60
-80
-100
-120
VDD = 1.5V
POUT = 5mW
RL = 32
Ω
RIGHT TO LEFT
LEFT TO RIGHT
0
10
20
30
40
50
60
70
80
0.9
1.1
1.3
1.5
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX9725
toc12
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(mW)
fIN = 1kHz
RL = 16
Ω
BOTH INPUTS
DRIVEN IN-PHASE
THD+N = 10%
THD+N = 1%
10
10k
1k
100
100k
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9725
toc04
FREQUENCY (Hz)
THD+N
(%)
1
0.1
0.001
0.01
POUT = 0.7mW
POUT = 4mW
VDD = 1V
RL = 32
Ω
AV = -2V/V
100
010203040
10
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9725
toc05
OUTPUT POWER (mW)
THD+N
(%)
VDD = 1.5V
RL = 16
Ω
AV = -2V/V
fIN = 20Hz
fIN = 1kHz
fIN = 10kHz
100
010203040
10
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9725
toc06
OUTPUT POWER (mW)
THD+N
(%)
VDD = 1.5V
RL = 32
Ω
AV = -2V/V
fIN = 20Hz
fIN = 1kHz
fIN = 10kHz
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