參數(shù)資料
型號(hào)： FAB2200UCX
廠商： FAIRCHILD SEMICONDUCTOR CORP
元件分類： 音頻／視頻放大
英文描述： 1.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA25
封裝： 0.40 MM PITCH, WLCSP-25
文件頁(yè)數(shù)： 29/33頁(yè)
文件大?。?/td> 948K
代理商： FAB2200UCX
2009 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAB2200 Rev. 1.0.1
5
FAB2200
—
Audio
Subsystem
with
St
ereo
Class-G
Headph
on
eAmplifier
Recommended Operating Conditions
The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended
operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not
recommend exceeding them or designing to Absolute Maximum Ratings.
Symbol
Parameter
Min.
Max.
Unit
TA
Operating Temperature Range
-40
+85
°C
VBATT
Supply Voltage Range
2.80
5.25
V
Electrical Characteristics
Unless otherwise noted: HPA uses stereo single-ended inputs, SPA uses differential input, unused inputs AC are
grounded, fIN = 1KHz, AGC off, PGAINxx = 0dB, HPxVOL = 0dB, PRESENTGAIN = 6dB, ERC = 1, SSMT = 000,
SHDNB = 1, SDB = 1.8V, SDA and SCL pull-up voltage = 1.8V, ZSPK = 8+68H, RHP = 32, speaker amplifier and
headphone amplifier on. Typical values are at VBATT = 3.7V, TA = 25°C. Minimum and maximum values are at VBATT =
2.8V to 5.25V, TA = -40°C to 85°C.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
IDD
Quiescent Supply Current
(ZSPK = Open)
Headphone Amplifiers Enabled,
Speaker Amplifier Disabled,
DIFFIN43=1
3.5
mA
Headphone Amplifiers Disabled,
Speaker Amplifier Enabled,
DIFFIN21=1
4.7
Headphone and Speaker Amplifiers
Enabled
6.2
ISD
Shutdown Current
SHDNB = 0, SDB = 1.8V
2.2
A
SHDNB = 1, SDB = GND
2.2
tON
Turn-On Time
Time from Shutdown to Full Speaker
and Headphone Operation, ZCD and
Ramps Disabled
1.25
ms
RIN
Input Resistance
PGAINxx = 0dB
21.0
K
PGAINxx = 12dB
8.5
Maximum Input Signal Swing
(VBATT = 2.8V to 5.25V,
Single-Ended Input)
PGAINxx = 0dB
2.300
Vpk-pk
PGAINxx = 12dB
0.575
Analog Bypass Switch
RON
On Resistance
IBYPOUTx = 20mA,
BYPx = 0V and
VBATT, BYPEN = 1
TA = 25°C
1
THD
Total Harmonic Distortion
VDIF = 2VPP, VCM=
VBATT/2, f = 1kHz,
BYPEN = 1,
Load = 8
Series
Resistance is
10Ω per
Switch
0.05
0.25
%
No Series
Resistors
0.10
IOFF
Off Isolation
BYPEN = 0, 10KHz 1VRMS Sine
Wave Applied Across BYPOUT1 and
BYPOUT2, BYPIN1 and BYPIN2 to
GND = 50
94
dB
Continued on the following page…
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