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| 型号： | MAX9724AEVKIT+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 13/19页 |
| 文件大小： | 0K |
| 描述： | EVALUATION KIT FOR MAX9724A/B |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 系列： | DirectDrive® |
| 放大器类型： | AB 类 |
| 输出类型： | 耳机，2-通道（立体声） |
| 在某负载时最大输出功率 x 通道数量： | 63mW x 2 @ 32 欧姆 |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 板类型： | 完全填充 |
| 已用 IC / 零件： | MAX9724A |
| 已供物品： | 板 |
| 相关产品： | MAX9724AEBC+TG45-ND - IC AMP AUDIO .045W STER 12UCSP MAX9724DEBC+TG45-ND - IC AMP AUDIO .045W STER 12UCSP MAX9724CEBC+TG45-ND - IC AMP AUDIO .045W STER 12UCSP MAX9724CETC+T-ND - IC AMP AUDIO .063W STER 12TQFN MAX9724DETC+T-ND - IC AMP AUDIO .063W STER 12TQFN MAX9724DETC+-ND - IC AMP AUDIO .063W STER 12TQFN MAX9724CETC+-ND - IC AMP AUDIO .063W STER 12TQFN MAX9724BEBC+TG45-ND - IC AMP AUDIO .045W STER 12UCSP MAX9724AEUD+-ND - IC AMP AUDIO .045W STER 14TSSOP MAX9724AETC+T-ND - IC AMP AUDIO .045W STER 12TQFN 更多... |
MAX9724A/MAX9724B
60mW, DirectDrive, Stereo Headphone Amplifier
with Low RF Susceptibility and Shutdown
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 5V, PGND = SGND, SHDN = 5V, C1 = C2 = 1F, RL = ∞, resistive load reference to ground; for MAX9724A gain = -1.5V/V
(RIN = 20kΩ, RF = 30kΩ); for MAX9724B gain = -1.5V/V (internally set), TA = -40°C to +85°C, unless otherwise noted. Typical values
are at TA = +25°C, unless otherwise noted.) (Note 3)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Slew Rate
SR
0.5
V/s
Capacitive Drive
CL
No sustained oscillations
100
pF
Crosstalk
L to R, R to L, f = 10kHz, RL = 16
Ω,
POUT = 15mW
-70
dB
Charge-Pump Oscillator
Frequency
fOSC
190
270
400
kHz
Into shutdown
-67
Click-and-Pop Level
KCP
RL = 32
Ω, peak voltage,
A-weighted, 32 samples per
second (Notes 4, 7)
Out of
shutdown
-64
dB
DIGITAL INPUTS (
SHDN)
Input-Voltage High
VINH
(TQFN only)
2
V
Input-Voltage Low
VINL
(TQFN only)
0.8
V
Input-Voltage High
VINH
(UCSP only)
1.4
V
Input-Voltage Low
VINL
(UCSP only)
0.9
V
Input Leakage Current
±1
A
ELECTRICAL CHARACTERISTICS
(VDD = 3V, PGND = SGND, SHDN = 3V, C1 = C2 = 1F, RL = ∞, resistive load reference to ground; for MAX9724A gain = -1.5V/V
(RIN = 20kΩ, RF = 30kΩ); for MAX9724B gain = -1.5V/V (internally set), TA = -40°C to +85°C, unless otherwise noted. Typical values
are at TA = +25°C, unless otherwise noted.) (Note 3)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Quiescent Current
ICC
3.0
mA
Shutdown Current
ISHDN
SHDN = SGND = PGND
0.1
A
f = 1kHz, 100mVP-P
80
Power-Supply Rejection Ratio
(Note 4)
PSRR
f = 20kHz, 100mVP-P
65
dB
RL = 32
Ω, THD+N = 1%
20
Output Power (TQFN)
POUT
RL = 16
Ω, THD+N = 1%
14
mW
RL = 32
Ω, THD+N = 1%
17
Output Power (UCSP)
POUT
RL = 16
Ω, THD+N = 1%
12
mW
RL = 1k
Ω, VOUT = 2VRMS, fIN = 1kHz
0.05
RL = 32
Ω, POUT = 15mW, fIN = 1kHz
0.03
Total Harmonic Distortion Plus
Noise (TQFN) (Note 6)
THD+N
RL = 16
Ω, POUT = 10mW, fIN = 1kHz
0.06
%
RL = 1k
Ω, VOUT = 2VRMS, fIN = 1kHz
0.003
RL = 32
Ω, POUT = 15mW, fIN = 1kHz
0.04
Total Harmonic Distortion Plus
Noise (UCSP) (Note 6)
THD+N
RL = 16
Ω, POUT = 10mW, fIN = 1kHz
0.06
%
Note 3: All specifications are 100% tested at TA = +25°C; temperature limits are guaranteed by design.
Note 4: The amplifier inputs are AC-coupled to GND.
Note 5: Gain for the MAX9724A is adjustable.
Note 6: Measurement bandwidth is 22Hz to 22kHz.
Note 7: Test performed with a 32Ω resistive load connected to GND. Mode transitions are controlled by SHDN. KCP level is calculated
as 20log[(peak voltage during mode transition, no input signal)/(peak voltage under normal operation at rated power level)].
Units are expressed in dB.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9724AEVKIT+ | 功能描述:音频 IC 开发工具 MAX9724A/B Eval Kit RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
| MAX9724BEBC+ | 制造商:Maxim Integrated Products 功能描述:AUD AMP HDPH 2CH STEREO 0.045W CLS-AB 12UCSP - Rail/Tube |
| MAX9724BEBC+T | 制造商:Maxim Integrated Products 功能描述:LOW RF SUSCEPTIBILITY DIRECTDRIVE S 制造商:Maxim Integrated Products 功能描述:AUD AMP HDPH 2CH STEREO 0.045W CLS-AB 12UCSP - Tape and Reel |
| MAX9724BEBC+TG45 | 功能描述:音频放大器 60mW DirectDrive Headphone Amplifier RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| MAX9724BETC | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
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