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| 型号： | MAX9875ERP+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 25/30页 |
| 文件大小： | 0K |
| 描述： | IC AUDIO SUBSYSTEM 20UCSP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 系列： | DirectDrive® |
| 类型： | D 类 |
| 输出类型： | 1-通道（单声道），带立体声耳机 |
| 在某负载时最大输出功率 x 通道数量： | 825mW x 1 @ 4 欧姆; 53mW x 2 @ 16 欧姆 |
| 电源电压： | 2.7 V ~ 5.25 V |
| 特点： | 消除爆音，差分输入，I²C，静音，短路和热保护，关机，音量控制 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 20-UCSP |
| 封装/外壳： | 20-WFBGA，CSPBGA |
| 包装： | 带卷 (TR) |
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MAX9875
Low RF Susceptibility, Mono Audio
Subsystem with DirectDrive Headphone Amplifier
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(VDD = VPVDD = 3.7V, VGND = VPGND = 0V. Single-ended inputs, preamp gain = 0dB, volume controls = 0dB, OSC = 00, SHDN = 1.
Speaker loads (ZSPK) connected between OUT+ and OUT-. Headphone loads (RHP) connected from HPL or HPR to GND. SDA and
SCL pullup voltage = 3.3V. ZSPK = ∞, RHP = ∞. C1 = C2 = CBIAS = 1F. TA = TMIN to TMAX, unless otherwise noted. Typical values are
at TA = +25°C.) (Note 3)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Spread-spectrum modulation mode,
OSC = 00
1176
±60
Fixed-frequency mode, OSC = 01
1100
Output Frequency
Fixed-frequency mode, OSC = 10
700
kHz
Current Limit
1.5
A
Efficiency
η
POUT = 600mW, f = 1kHz
87
%
Speaker Gain
AV
11.5
12.0
12.5
dB
Output Noise
A-weighted, OUTMODE = 1,
IN_ = 0
(Note 4)
63
VRMS
HEADPHONE AMPLIFIERS (OUTMODE = 2)
TA = +25°C (volume at mute)
±0.15
±0.6
Output Offset Voltage
VOS
TA = +25°C (volume at 0dB)
±1.6
mV
Into shutdown
-80
Click-and-Pop Level
KCP
Peak voltage, TA =
+25°C, A-weighted,
32 samples per
second. volume at
mute (Note 4)
Out of shutdown
-80
dBV
PVDD = VDD = 2.7V
to 5.25V
70
85
f = 217Hz,
VRIPPLE = 100mVP-P
84
f = 1kHz,
VRIPPLE = 100mVP-P
80
Power-Supply Rejection Ratio
(Note 4)
PSRR
TA = +25°C, PVDD =
VDD
f = 20kHz,
VRIPPLE = 100mVP-P
62
dB
RHP = 16
53
Output Power
POUT
THD+N ≤ 1%
RHP = 32
27
mW
Headphone Gain
AV
-0.4
0
+0.4
dB
Channel-to-Channel Gain
Tracking
TA = +25°C, HPL to HPR, volume at 0dB,
OUTMODE = 2, 5;
IN_ = 0
±0.3
±2.5
%
RHP = 32
(POUT = 10mW, f = 1kHz)
0.016
Total Harmonic Distortion Plus
Noise
THD+N
RHP = 16
(POUT = 10mW, f = 1kHz),
TA = +25°C
0.03
%
IN_ = 0
(single-ended)
98
A-weighted,
OUTMODE = 2, 3,
5, 6; RHP = 16
IN_ = 1 (differential)
98
IN_ = 0
(single-ended)
96
Signal-to-Noise Ratio
SNR
A-weighted, RHP =
16, OUTMODE =
8, 9
IN_ = 1 (differential)
96
dB
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| MAX9877AERP+T | 功能描述:音频放大器 Audio Subsystem w/DirectDrive 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 |
| MAX9877AEWP+G45 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX9877AEWP+TG45 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX9877EBP+G45 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX9877EBP+TG45 | 制造商:Maxim Integrated Products 功能描述: |
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