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參數(shù)資料
| 型號(hào)： | FAN3850AUC19X |
| 廠商： | Fairchild Semiconductor |
| 文件頁(yè)數(shù)： | 1/11頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC MICROPHONE PRE-AMP 6-WLCSP |
| 標(biāo)準(zhǔn)包裝： | 3,000 |
| 類型： | AB 類 |
| 輸出類型： | 1-通道（單聲道） |
| 電源電壓： | 1.64 V ~ 3.63 V |
| 特點(diǎn)： | ADC，麥克風(fēng) |
| 安裝類型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 6-WLCSP |
| 封裝/外殼： | 6-XFBGA，WLCSP |
| 包裝： | 帶卷 (TR) |
July 2011
2010 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN3850A Rev. 3.0.6
FAN3850A
—
Microphone
Pre-Amp
lifier
with
Digita
lOutput
FAN3850A
Microphone Pre-Amplifier with Digital Output
Features
Optimized for Mobile Handset and Notebook PC
Microphone Applications
Accepts Input from Electret Condenser
Microphones (ECM)
Pulse Density Modulation (PDM) Output
Standard 5-Wire Digital Interface
16dB and 19dB Gain Versions Available(1)
Low Input Capacitance, High PSR, 20kHz
Pre-Amplifier
Low-Power 1.5μA Sleep Mode
Typical 470μA Supply Current
SNR of 62/61dB(A) for 16/19dB Gain Respectively
Total Harmonic Distortion 0.02%
Input Clock Frequency Range of 1-4MHz
Integrated Low Drop-Out Regulator (LDO)
Small 1.26mm x 0.86mm 6-Ball WLCSP Package
Description
The FAN3850A integrates a pre-amplifier, LDO, and
ADC that converts Electret Condenser Microphone
(ECM) outputs to digital Pulse Density Modulation
(PDM) data streams. The pre-amplifier accepts analog
signals from the ECM and drives an over-sampled
sigma delta Analog-to-Digital Converter (ADC) and
outputs PDM data. The PDM digital audio has the
advantage of noise rejection and easy interface to
mobile handset processors.
The FAN3850A features an integrated LDO and is
powered from the system supply rails up to 3.63V, with
low power consumption of only 0.85mW and less than
20W in Power-Down Mode.
Applications
Electret Condenser Microphones with Digital Output
Mobile Handset
Headset Accessories
Personal Computer (PC)
.
Ordering Information
Part Number
Operating
Temperature
Range
Package
Packing
Method
FAN3850AUC16X
-30°C to +85°C
6 Ball, Wafer-Level Chip-Scale Package (WLCSP)
3000 Units on
Tape & Reel
FAN3850AUC19X
-30°C to +85°C
6-Ball, Wafer-Level Chip-Scale Package (WLCSP)
3000 Units on
Tape & Reel
Note:
1.
Alternate gain options are possible. Please contact Fairchild.
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