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参数资料
| 型号： | FAN3850AUC19X |
| 厂商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PBGA6 |
| 封装： | 1.26 X 0.86 MM, WLCSP-6 |
| 文件页数： | 6/11页 |
| 文件大小： | 973K |
| 代理商： | FAN3850AUC19X |
2010 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN3850A Rev. 3.0.1
4
FAN3850A
—
Microphone
Pre-Am
plifier
with
Digita
lOutput
Electrical Characteristics
Unless otherwise specified, all limits are guaranteed for TA=25°C, VDD=1.8V, VIN=94dB (SPL), and fCLK=2.4MHz.
Duty Cycle=50% and CMIC=15pF.
Symbol
Parameter
Condition
Min.
Typ.
Max.
Unit
VDD
Supply Voltage Range
1.64
1.80
3.63
V
IDD
Supply Current
INPUT=AC Coupled to GND,
CLOCK=On, No Load
470
μA
ISLEEP
Sleep Mode Current
fCLK=GND
1.5
8.0
μA
PSR
Power Supply Rejection
(4)
INPUT=AC Coupled to GND,
Test Signal on VDD=217Hz
Square Wave and
Broadband Noise
(3), Both
100mVP-P
-70
dBFS
INNOM
Nominal Sensitivity
(5)
INPUT=94dBSPL (1Pa)
-26
dBFS
SNR
Signal-to-Noise Ratio
fIN=1kHz (1Pa), A-Weighted
61
dB(A)
eN
Total Input RMS Noise
(4)
20Hz to 20kHz, A-Weighted
5.5
6.8
VRMS
THD
Total Harmonic Distortion
(6)
fIN=1kHz, INPUT=-26dBFS
0.02
0.20
%
THD+N
THD and Noise
(4)
50Hz ≤ fIN ≤ 1kHz,
INPUT=-20dBFS
0.2
1.0
%
fIN=1kHz, INPUT=-5dBFS
1.0
5.0
fIN=1kHz, INPUT=0dBFS
5.0
10.0
CIN
Input Capacitance
(7)
INPUT
0.2
pF
RIN
Input Resistance
(7)
INPUT
>100
G
VIL
CLOCK & SELECT Input
Logic LOW Level
0.3
V
VIH
CLOCK & SELECT Input
Logic HIGH Level
1.5
VDD+0.3
V
VOL
Data Output Logic LOW
Level
0.35*VDD
V
VOH
Data Output Logic HIGH
Level
0.65*VDD
V
VIN19dB
Maximum Input Signal for
19dB of Gain
(4)
fIN=1kHz, THD+N < 10%,
DC Level=0V
317
mVPP
VOUT
Acoustic Overload Point
(7)
THD < 10%
120
dBSPL
Continued on the following page…
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