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參數(shù)資料
| 型號： | MAX4062EUB+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 3/15頁 |
| 文件大小： | 0K |
| 描述： | IC PREAMP AUDIO STER AB 10MSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | AB 類 |
| 輸出類型： | 2 通道（立體聲） |
| 電源電壓： | 2.4 V ~ 5.5 V |
| 特點： | 差分輸入，麥克風(fēng) |
| 安裝類型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 10-µMAX |
| 封裝/外殼： | 10-TFSOP，10-MSOP（0.118"，3.00mm 寬） |
| 包裝： | 帶卷 (TR) |
MAX4060/MAX4061/MAX4062
Differential Microphone Preamplifiers with
Internal Bias and Complete Shutdown
______________________________________________________________________________________
11
MAX4061/MAX4062
The MAX4062 has a lower bias voltage and low-imped-
ance outputs (optimum electret bias resistor can then
be set externally). This gives a low-noise, flexible solu-
tion that can run from 2.4V to 5.5V, suitable for hand-
held devices such as PDAs that typically have audio
power supplies in the 3V region (see Figure 3).
In applications where the differential microphone is
placed some distance from the MAX4060/MAX4061/
MAX4062, using a remote differential bias scheme as
shown in Figure 4 can provide improved noise rejection.
Output
MAX4060/MAX4061 DC Bias
The output voltage has a DC-bias voltage independent
of the power supplies, resulting in superior PSRR per-
formance. The MAX4061 output is high impedance
when the part is in shutdown mode. AC-coupling the
output into the next audio stage (e.g., CODEC) is rec-
ommended.
Applications Information
Shutdown Mode
The MAX4061 features a low-power, complete shut-
down mode. When SHDN goes low, the supply current
drops to 0.3μA, the output enters a high-impedance
state, and the bias current to the microphone is
switched off. Driving SHDN high enables the amplifier.
SHDN should not be left unconnected.
Power Supplies and Layout
The MAX4060 operates from a 4.5V to 5.5V single sup-
ply and the MAX4061/MAX4062 operate from a 2.4V to
5.5V single supply. Bypass the power supply with a
0.1μF capacitor to ground. In systems where analog
and digital grounds are available, the MAX4060/
MAX4061 should be connected to the analog ground.
IN-
IN+
6
5
4
VCC
4.5V TO 5.5V
MAX4060
INT/AUX
1
OUT
2
GND
7
x10
VBIAS
x10
BIAS
3
AUX_IN
MICROPHONE
INPUT
8
RBIAS
Figure 2. MAX4060 Used for Biasing a Microphone
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4063 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Differential Microphone Preamplifier with Internal Bias and Complete Shutdown |
| MAX4063_11 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Differential Microphone Preamplifier with Internal Bias and Complete Shutdown |
| MAX4063ETE | 功能描述:傳聲器前置放大器 RoHS:否 制造商:Texas Instruments 可用增益調(diào)整:Digital control, 65 dB to 0 dB 共模抑制比（最小值）: 輸入補償電壓: 最大輸入電阻:9200 Ohms 最大工作溫度:+ 85 C 封裝 / 箱體:SSOP-28 封裝:Tube |
| MAX4063ETE+ | 功能描述:傳聲器前置放大器 Differential Mic Preamplifier RoHS:否 制造商:Texas Instruments 可用增益調(diào)整:Digital control, 65 dB to 0 dB 共模抑制比（最小值）: 輸入補償電壓: 最大輸入電阻:9200 Ohms 最大工作溫度:+ 85 C 封裝 / 箱體:SSOP-28 封裝:Tube |
| MAX4063ETE+T | 功能描述:傳聲器前置放大器 Differential Mic Preamplifier RoHS:否 制造商:Texas Instruments 可用增益調(diào)整:Digital control, 65 dB to 0 dB 共模抑制比（最小值）: 輸入補償電壓: 最大輸入電阻:9200 Ohms 最大工作溫度:+ 85 C 封裝 / 箱體:SSOP-28 封裝:Tube |
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