參數(shù)資料
型號: MAX9722BETE+T
廠商: Maxim Integrated Products
文件頁數(shù): 18/21頁
文件大?。?/td> 0K
描述: IC AMP AUDIO .13W STER AB 16TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 2,500
系列: DirectDrive®
類型: AB 類
輸出類型: 耳機,2-通道(立體聲)
在某負載時最大輸出功率 x 通道數(shù)量: 130mW x 2 @ 32 歐姆
電源電壓: 2.4 V ~ 5.5 V
特點: 消除爆音,差分輸入,短路和熱保護,關(guān)閉
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: 16-TQFN-EP(3x3)
封裝/外殼: 16-WFQFN 裸露焊盤
包裝: 帶卷 (TR)
MAX9722A/MAX9722B
5V, Differential Input, DirectDrive, 130mW
Stereo Headphone Amplifiers with Shutdown
6
_______________________________________________________________________________________
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.)
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX9722
toc22
FREQUENCY (Hz)
PSRR
(dB)
10k
1k
100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
10
100k
VDD = 5V
AV = -1V/V
RL = 32
Ω
RIGHT
LEFT
CROSSTALK vs. FREQUENCY
MAX9722
toc23
FREQUENCY (Hz)
CROSSTALK
(dB)
10k
1k
100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
10
100k
VDD = 3V
AV = -1V/V
VIN = 200mVP-P
RL = 32
Ω
RIGHT TO LEFT
LEFT TO RIGHT
CROSSTALK vs. FREQUENCY
MAX9722
toc24
FREQUENCY (Hz)
CROSSTALK
(dB)
10k
1k
100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
10
100k
VDD = 5V
AV = -1V/V
VIN = 200mVP-P
RL = 32
Ω
RIGHT TO LEFT
LEFT TO RIGHT
GAIN FLATNESS vs. FREQUENCY
MAX9722
toc25
FREQUENCY (Hz)
GAIN
(dB)
10k
100
1k
-3
-2
-1
0
1
2
3
4
-4
10
100k
VDD = 5V
AV = -1V/V
RL = 32
Ω
CHARGE-PUMP OUTPUT RESISTANCE
vs. SUPPLY VOLTAGE
MAX9722
toc26
SUPPLY VOLTAGE (V)
OUTPUT
RESISTANCE
)
5.2
4.8
4.0
4.4
3.2
3.6
2.8
1
2
3
4
5
6
7
8
9
10
0
2.4
5.6
VIN = GND
IPVSS = 10mA
C1 = C2 = 2.2
μF
NO LOAD
OUTPUT POWER vs. LOAD RESISTANCE
MAX9722
toc27
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(mW)
40
30
20
10
20
30
40
50
60
0
10
50
VDD = 3V
f = 1kHz
AV = -1V/V
THD+N = 1%
C1 = C2 = 1
μF
C1 = C2 = 0.68
μF
C1 = C2 = 0.47
μF
C1 = C2 = 2.2
μF
OUTPUT SPECTRUM vs. FREQUENCY
MAX9722
toc28
FREQUENCY (kHz)
OUTPUT
(dBc)
15
10
5
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
10
-100
020
VDD = 5V
RL = 32
Ω
VOUT = 1mVRMS
f = 1kHz
AV = -1V/V
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX9722
toc29
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(mA)
5
4
12
3
1
2
3
4
5
6
7
8
0
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX9722
toc30
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(nA)
4
3
2
1
2
4
6
8
10
12
14
16
18
20
0
05
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參數(shù)描述
MAX9722BEUE 制造商:Maxim Integrated Products 功能描述:5V, DIFFERENTIAL INPUT, DIRECTDRIVE, 130MW ST - Bulk
MAX9722BEUE+ 功能描述:音頻放大器 DirectDrive 130mW Headphone Amplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX9722BEUE+T 功能描述:音頻放大器 DirectDrive 130mW Headphone Amplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX97236EVKIT# 功能描述:放大器 IC 開發(fā)工具 MAX97236 Eval Kit RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評估:IR4302 工作電源電壓:13 V to 23 V
MAX97236EVKIT+ 功能描述:放大器 IC 開發(fā)工具 MAX97236 Eval Kit RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評估:IR4302 工作電源電壓:13 V to 23 V