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參數(shù)資料
| 型號(hào)： | FAB1200UCX |
| 廠商： | Fairchild Semiconductor |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP HEADPHONE CLASS G 16WLCSP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | G 類 |
| 輸出類型： | 耳機(jī)，2-通道（立體聲） |
| 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量： | 51mW x 2 @ 16 歐姆 |
| 電源電壓： | 2.5 V ~ 5.5 V |
| 特點(diǎn)： | 差分輸入，I²C，短路和熱保護(hù)，關(guān)機(jī)，音量控制 |
| 安裝類型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 16-WLCSP |
| 封裝/外殼： | 16-UFBGA，WLCSP |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 其它名稱： | FAB1200UCXFSDKR |
June 2013
2010 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAB1200 Rev 1.2.7
FAB
12
00
—
Ground
-Re
ferenc
ed
Class
-G
He
adp
hone
Ampli
fi
er
wi
th
I
n
tegrated
Buck
Co
nvert
er
FAB1200 Class-G Ground-Referenced Headphone
Amplifier with Integrated Buck Converter
Features
Class-G Headphone Amplifier Uses Multiple
Rails for High Efficiency
Integrated Inductive Buck Converter for Direct
Battery Connection
Differential Analog Inputs
Capable of Driving 16 Ω to 600 Ω Loads and Line
Level Inputs
Ground-Referenced Output
Ground-Sense Input Eliminates Ground-Loop
Noise
I2C Controls
32-Step Volume Control
Channel-Independent Shutdown Control
and Short-Circuit Protection
16-Bump, 0.4 mm Pitch, 1.56 mm x 1.56 mm
WLCSP Package
Applications
Cellular Handsets
MP3 and Portable Media Players
Personal Navigation Devices
Description
The
FAB1200
is
a
stereo
class-G
headphone
amplifier. A charge pump generates a negative supply
voltage that allows its output to be ground centered.
An integrated buck regulator adjusts the voltage
supplies between two different levels based on the
output signal level to reduce power consumption.
Class G
Headphone
Amplifiers
Charge
Pump
2.2F
OUTL
OUTR
CPN
CPP
Buck
Converter
HPVSS
HPVDD
SW
SGND
Volume
Control and
Level
Detector
INR-
INR+
INL-
INL+
2.2F
AVDD
VBATT
I
2C
SCL
SDA
AGND
1F
2.2H
Figure 1. Typical Application Circuit
Ordering Information
Part Number
Operating
Temperature Range
Package
Packing Method
FAB1200UCX
-40 to +85°C
16-Bump, 0.4 mm Pitch, 1,56 mm x 1.56 mm,
Wafer-Level Chip-Scale Package (WLCSP)
4000 Units on
Tape & Reel
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