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參數資料
| 型號： | MAX4299 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Ultra-High PSRR Stereo Drivers + Microphone Amp + 100mA Linear Regulator |
| 中文描述： | 超高PSRR立體聲驅動器 + 麥克風放大器 + 100mA線性穩(wěn)壓器 |
| 文件頁數： | 7/14頁 |
| 文件大?。?/td> | 311K |
| 代理商： | MAX4299 |
M
Ultra-High PS RR S tereo Drivers +
Mic rophone Amp + 100mA Linear Regulator
_______________________________________________________________________________________
7
Detailed Desc ription
The MAX4298/MAX4299 are audio system ICs de-
signed for single +5V applications. The MAX4299 has a
stereo headphone driver, a microphone amplifier, and
a 100mA +3.3V linear regulator; the MAX4298 has the
stereo headphone driver only. The MAX4298/MAX4299
are designed specifically for harsh digital environments
where board space is at a premium and the digital
power supply is noisy. The design uses innovative
design techniques to achieve ultra-high power-supply
rejection across the audio signal band while, at the
same time, delivering a high current rail-to-rail output
drive capability. These devices are designed to drive
highly capacitive loads that may be encountered when
driving long cables to a remote load such as
desktop/notebook headphones or speakers. They are
fully compliant to PC99 standards. Figure 1 is the
Pin Desc ription
PIN
MAX4298
MAX4298
MAX4299
MAX4299
10-PIN
μ
MAX
14-PIN SO
16-PIN
TSSOP
20-PIN SO
NAME
FUNCTION
—
—
16
1
REG
Regulator Output. Bypass REG to GND with a 10
μ
F
capacitor.
—
—
1
2
FB
Regulator Feedback. Internal resistors from this point
to REG and GND define the regulator output value.
Adjustments can be made to the output value by
adding resistors in the same place externally.
1
—
2
2
—
3
2
3
4
4
OUT1
PGND
GND
Driver Amplifier Output
Power Ground for Driver Outputs
Ground
5
6
3
4
5
7
IN1
Inverting Input for Driver Amplifier
4
5
6
8
BIAS
Bias Point for Amplifiers. Bypass BIAS to GND with a
1
μ
F capacitor.
5
6
7
9
SV
CC
Standby Power Supply. Connect to a standby +5V
supply that is always on, or bypass with 220
μ
F and
connect a Schottky diode from V
CC
to SV
CC
. Short to
V
CC
if clickless power-down is not essential.
—
—
8
10
MICOUT
Microphone Amplifier Output
—
—
9
11
MICIN
Inverting Input for Microphone Amplifier
6
9
10
13
MUTE
Mute Digital Input. Connect to GND for normal
operation. When MUTE is connected to V
CC
, OUT1
and OUT2 are muted, REG stays on, and MICOUT
stays on.
7
10
11
14
C
BYPASS
IN2
Bypass to GND with a 1
μ
F Capacitor
8
11
12
15
Inverting Input for Driver Amplifier
9
12
13
16
OUT2
Driver Amplifier Output
10
—
13
14
—
17
V
CC
N.C.
Power Supply. Connect to +5V.
No Connection. Not internally connected.
1, 7, 8, 14
3, 12, 18, 19
—
—
15
20
REGON
Regulator Control. Connect to V
CC
for normal
operation. Connect to GND to shut off the regulator.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX4299EUE | 功能描述:音頻放大器 Integrated Circuits (ICs) RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX4299EUE+ | 功能描述:音頻放大器 Integrated Circuits (ICs) RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX4299EUE+T | 功能描述:音頻放大器 Integrated Circuits (ICs) RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX4299EUE-T | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX4299EVKIT | 制造商:Maxim Integrated Products 功能描述: |
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