參數(shù)資料
型號(hào): MAX9722AEUE+T
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 17/21頁(yè)
文件大?。?/td> 0K
描述: IC AMP AUDIO .13W STER 16TSSOP
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: 130mW x 2 @ 32 歐姆
電源電壓: 2.4 V ~ 5.5 V
特點(diǎn): 消除爆音,差分輸入,短路和熱保護(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)
MAX9722A/MAX9722B
5V, Differential Input, DirectDrive, 130mW
Stereo Headphone Amplifiers with Shutdown
_______________________________________________________________________________________
5
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9722
toc13
OUTPUT POWER (mW)
THD+N
(%)
60
50
40
30
20
10
0.001
0.01
0.1
1
10
100
0.0001
070
f = 10kHz
f = 20Hz
f = 1kHz
VDD = 5V
AV = -1V/V
RL = 16
Ω
DIFFERENTIAL
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. COMMON-MODE VOLTAGE
MAX9722
toc14
COMMON-MODE VOLTAGE (V)
THD+N
(%)
0.3
0.1
-0.1
-0.3
0.001
0.01
0.1
1
10
100
0.0001
-0.5
0.5
RL = 16
Ω
RL = 32
Ω
VDD = 5V
AV = -1V/V
f = 1kHz
DIFFERENTIAL
OUTPUT POWER
vs. SUPPLY VOLTAGE
MAX9722
toc15
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(mW)
3.4
3.2
3.0
2.8
2.6
10
20
30
40
50
60
70
80
90
100
0
2.4
3.6
THD+N = 10%
THD+N = 1%
f = 1kHz
RL = 16
Ω
OUTPUT POWER
vs. SUPPLY VOLTAGE
MAX9722
toc16
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(mW)
4.4
3.9
3.4
2.9
20
40
60
80
100
120
140
160
180
200
0
2.4
4.9
THD+N = 10%
THD+N = 1%
f = 1kHz
RL = 32
Ω
OUTPUT POWER
vs. LOAD RESISTANCE
MAX9722
toc17
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(mW)
100
10
20
30
40
50
60
70
80
90
100
0
10
1000
THD+N = 10%
THD+N = 1%
VDD = 3V
f = 1kHz
AV = -1V/V
OUTPUT POWER
vs. LOAD RESISTANCE
MAX9722
toc18
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(mW)
100
20
40
60
80
100
120
140
160
180
200
0
10
1000
VDD = 5V
f = 1kHz
AV = -1V/V
THD+N = 1%
THD+N = 10%
POWER DISSIPATION
vs. OUTPUT POWER
MAX9722
toc19
OUTPUT POWER (mW)
POWER
DISSIPATION
(mW)
60
50
40
30
20
10
50
100
150
200
250
300
0
070
VDD = 3V
f = 1kHz
POUT = PL + PR
RL = 16
Ω
RL = 32
Ω
POWER DISSIPATION
vs. OUTPUT POWER
MAX9722
toc20
OUTPUT POWER (mW)
POWER
DISSIPATION
(mW)
80
60
40
20
100
200
300
400
500
600
0
0100
VDD = 5V
f = 1kHz
POUT = PL + PR
RL = 16
Ω
RL = 32
Ω
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX9722
toc21
FREQUENCY (Hz)
PSRR
(dB)
10k
1k
100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
10
100k
VDD = 3V
AV = -1V/V
RL = 32
Ω
RIGHT
LEFT
Typical Operating Characteristics (continued)
(MAX9722A, PVDD = SVDD = +5V, PGND = SGND = 0V, SHDN = SVDD, C1 = C2 = 1F, RL =
∞, gain = -1V/V, single-ended input,
THD+N measurement bandwidth = 22Hz to 22kHz, TA = +25°C, unless otherwise noted.)
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