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參數(shù)資料
| 型號(hào)： | FAN3850TUC13X35 |
| 廠商： | Fairchild Semiconductor |
| 文件頁(yè)數(shù)： | 6/11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 |
| 包裝： | 帶卷 (TR) |
2011 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN3850T Rev. 3.0.2
4
FAN3850T
—
Microphone
Pre-Amp
lifier
with
Temperature
Compen
sation
and
Digital
Output
Electrical Characteristics
Unless otherwise specified, all limits are guaranteed for TA=25°C, VDD=1.8V, VIN=94dB (SPL), 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
420
μA
ISLEEP
Sleep Mode Current
fCLK=GND
1.4
8.0
μA
PSR
Power Supply Rejection
(7)
INPUT=AC Coupled to GND, Test
Signal on VDD=217Hz Square
Wave and Broad Band Noise
(3)
both 100mVP-P
-80
dBFS
INNOM
Nominal Sensitivity
(4)
INPUT=94dBSPL
-26
dBFS
SNR
Signal-to-Noise Ratio
fIN=1kHz 1Pa, A-Weighted
62.4
dB(A)
eN
Input Referred Noise
(7)
20Hz to 20kHz, A-Weighted
15.7dB Gain
5.3
8.6
VRMS
THD
Total Harmonic Distortion
(5)
fIN=1kHz, INPUT=-26dBFS
0.01
0.10
%
THD+N THD and Noise
(7)
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
tc
Temperature Coefficient
(7,11)
Gain Measured at 50C and -10C
-0.035
dB/C
CIN
Input Capacitance
(7,11)
INPUT
0.2
pF
RIN
Input Resistance
(7,11)
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
VIN15dB
Maximum Input Signal for
15.7dB of Gain
(5)
fIN=1 kHz, THD+N < 10%;
DC Level=0V
503
mVPP
VOUT
Acoustic Overload Point
(11)
THD < 10%
120
dBSPL
Continued on the following page…
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