參數(shù)資料
型號: MAX9720AEUE+T
廠商: Maxim Integrated Products
文件頁數(shù): 19/21頁
文件大?。?/td> 0K
描述: IC AMP AUDIO .05W STER 16TSSOP
標(biāo)準(zhǔn)包裝: 2,500
系列: DirectDrive®, SmartSense™
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: 50mW x 2 @ 32 歐姆
電源電壓: 1.8 V ~ 3.6 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: 16-TSSOP
封裝/外殼: 16-TSSOP(0.173",4.40mm 寬)
包裝: 帶卷 (TR)
MAX9720
50mW, DirectDrive, Stereo Headphone
Amplifier with SmartSense and Shutdown
_______________________________________________________________________________________
7
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9720
toc28
OUTPUT POWER (mW)
THD+N
(%)
40
30
20
10
0.01
0.1
1
10
100
0.001
050
OUTPUTS
IN PHASE
OUTPUTS
OUT OF
PHASE
VDD = 1.8V
AV = -1.41V/V
f = 1kHz
RL = 16
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9720
toc29
OUTPUT POWER (mW)
THD+N
(%)
40
30
20
10
0.01
0.1
1
10
100
0.001
050
OUTPUTS
IN PHASE
OUTPUTS
OUT OF
PHASE
VDD = 1.8V
AV = -1.41V/V
f = 10kHz
RL = 16
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9720
toc30
OUTPUT POWER (mW)
THD+N
(%)
25
15
530
20
10
0.01
0.1
1
10
100
0.001
040
35
OUTPUTS
IN PHASE
OUTPUTS
OUT OF
PHASE
VDD = 1.8V
AV = -1.41V/V
f = 20Hz
RL = 32
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9720
toc31
OUTPUT POWER (mW)
THD+N
(%)
25
15
530
20
10
0.01
0.1
1
10
100
0.001
040
35
OUTPUTS
IN PHASE
OUTPUTS
OUT OF
PHASE
VDD = 1.8V
AV = -1.41V/V
f = 1kHz
RL = 32
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9720
toc32
OUTPUT POWER (mW)
THD+N
(%)
25
15
530
20
10
0.01
0.1
1
10
100
0.001
040
35
OUTPUTS
IN PHASE
OUTPUTS
OUT OF
PHASE
VDD = 1.8V
AV = -1.41V/V
f = 10kHz
RL = 32
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX9720
toc33
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(mW)
3.3
3.0
2.7
2.4
2.1
20
40
60
80
100
120
140
160
180
200
0
1.8
3.6
fIN = 1kHz
RL = 16
THD+N = 1%
STEREO
OUT OF
PHASE
STEREO
IN PHASE
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX9720
toc34
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(mW)
3.3
3.0
2.7
2.4
2.1
20
40
60
80
100
120
140
160
180
200
0
1.8
3.6
fIN = 1kHz
RL = 16
THD+N = 10%
STEREO
OUT OF
PHASE
STEREO
IN PHASE
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX9720
toc35
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(mW)
3.3
3.0
2.7
2.4
2.1
20
40
60
80
100
120
140
160
0
1.8
3.6
fIN = 1kHz
RL = 32
THD+N = 1%
STEREO
OUT OF
PHASE
STEREO
IN PHASE
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX9720
toc36
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(mW)
3.3
3.0
2.7
2.4
2.1
20
40
60
80
100
120
140
160
0
1.8
3.6
fIN = 1kHz
RL = 32
THD+N = 10%
STEREO
OUT OF
PHASE
STEREO
IN PHASE
Typical Operating Characteristics (continued)
(VDD = 3V, THD+N bandwidth = 22Hz to 22kHz, MODE1 = MODE2 = VDD.)
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