參數(shù)資料
型號(hào): FAB2210UCX
廠商: Fairchild Semiconductor
文件頁(yè)數(shù): 22/26頁(yè)
文件大?。?/td> 0K
描述: IC SUBSYSTEM HDPH AMP G 20-WLCSP
標(biāo)準(zhǔn)包裝: 1
類型: D 類;G 類
輸出類型: 1-通道(單聲道),帶立體聲耳機(jī)
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量: 3.3W x 1 @ 8 歐姆; 29mW x 2 @ 32 歐姆
電源電壓: 2.8 V ~ 5.25 V
特點(diǎn): 消除爆音,差分輸入,I²C,靜音,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: 20-WLCSP
封裝/外殼: 20-UFBGA,WLCSP
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: FAB2210UCXFSDKR
2011 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAB2210 Rev. 1.1.2
5
FAB2210
Audio
Subsystem
with
Class-G
Headphone
and
3.3W
Mono
Clas
s-D
Speaker
with
Dyna
mic
Range
Compressi
on
Electrical Characteristics (Speaker Amplifier)
Unless otherwise noted: audio BW=22 Hz to 20 kHz, fIN=1 kHz, DIFA=1, DIFB=0, HP_AMIX=0, HP_BMIX=0,
SP_AMIX=1, SP_BMIX=0, unused inputs are AC grounded, DRC is off, preamplifier gains=0 dB, headphone
volume=0 dB, headphone amplifier gain=0 dB, speaker volume=0 dB, SP_GAIN=00, edge-rate control is on, spread
spectrum is on, HP_NG_RAT=000, SP_NG_RAT=000, SRST=0, SDA and SCL pull-up voltage=DVDD, ZSPK
= 8 + 33 H, RHP=32 , HP_HIZ=0, SVDD=3.6 V, DVDD=1.8 V, and TA=25°C.
Symbol
Parameter
Condition
Min.
Typ.
Max.
Unit
ICC
Current Consumption
SP_NG_RAT=001
SVDD
2.7
mA
DVDD
1.6
VOS
Output Offset Voltage
Volume=0dB
±0.4
mV
PSRR
Power-Supply Rejection
Ratio
200 mVpk-pk Ripple on
SVDD,
SP_NG_RAT=001
f=217 Hz
70
dB
f=1 kHz
70
f=20 kHz
63
200 mVpk-pk Ripple on
SVDD
f=217 Hz
74
f=1 kHz
70
f=20 kHz
44
POUT
Output Power
THD+N < 10%, SVDD=5.0 V,
ZSPK=4 + 33 H
3.3
W
THD+N < 1%, SVDD=5.0 V,
ZSPK=4 + 33 H
2.6
THD+N < 10%, SVDD=4.2 V
1.27
THD+N < 1%, SVDD=4.2 V
1.00
THD+N < 10%, SVDD=3.6 V
0.92
THD+N < 1%, SVDD=3.6 V
0.73
THD+N
Total Harmonic Distortion
Plus Noise
POUT=0.7 W, SVDD=4.2 V
0.04
%
POUT=0.7 W, SVDD=3.6 V
0.17
SNR
Signal-to-Noise Ratio
A-wt, POUT=700 mW
97
dB
A-wt, POUT=700 mW, SVDD=4.2 V
97
Class-D Frequency
Spread Spectrum
300
kHz
Fixed Frequency
300
Efficiency
POUT=720 mW
91
%
DC Detect Voltage
Absolute Value, Measured
Differentially Across SOUT+ and
SOUT-
1.5
Vpk
tDCERR
DC Detect Time
DCERR_TIME=10
15
ms
DCERR_TIME=01
5
DCERR_TIME=00
2
Single-Ended Output
Impedance
Amp. Off, SP_HIZ=0, f < 40 kHz
2
k
OTP_ERR=1, f < 40 kHz
2
DC_ERR=1, f < 40 kHz
2
Amp. Off, SP_HIZ=1, f < 40 kHz
35
OCP_ERR=1, f < 40 kHz
2
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