參數(shù)資料
型號: BH7871FV
元件分類: 音頻放大器
英文描述: AUDIO PRE-AMPLIFIER|DUAL|TSSOP|20PIN|PLASTIC
中文描述: 音頻前置放大器|雙| TSSOP封裝| 20針|塑料
文件頁數(shù): 2/2頁
文件大小: 166K
代理商: BH7871FV
2.7
–9.2
–1
2.3
2.2
0
2.6
2.0
19.0
0.05
–6.2
–98
0
2.5
3.9
3.0
22.0
0.5
–90
1
2.75
Vcc
0.5
mA
mA
dB
%
dBV
dBV
dB
16.0
V
V
V
3.0
3.3
Consumption current
(ST)
Consumption current
(MONO)
Voltage gain
Distortion rate
Maximum output level
Output noise voltage
Gain difference of inverter out L/R
Internal microphone power supply
output voltage
HPF, CTL holding voltage
V
IN
=–38.5dbV, f=1kHz
V
IN
=–38.5dbV, f=1kHz
No Input
No Input
THD=1%, f=1kHz
Rg=1k
Vin=–38.5dBV, f=1kHz, (4
17)
3
pin
output voltage (30k
loaded)
HPF OFF, 18PIN DC
HPF ON, 18PIN DC
Supply voltage
V
CC
V
Parameter
Min.
Max.
Unit
Typ.
Symbol
I
ST
I
MONO
GV
THD
V
OM
V
ON
GV
INVLR
V
REG
V
THHPFH
V
THHPFL
Symbol
Min.
Max.
Unit
Conditions
Typ.
Parameter
Recommended Operating Conditions (Ta=25C)
Electrical characteristics
(Unless otherwise noted, Ta=25C, Vcc=3.0V, 20pin=H or OPEN, Input signal level=–38.5dBV,
measurement pin=9,12pin, *1 JIS-A Filter, *2 400 ~30kHz Filter)
Application circuit
*2
*2
*2
*2
*1
1
2
3
4
5
6
7
8
9
1
1
1
1
1
1
2
2
1
1
2
Vcc
+
OUT
BH7871FV
0dB
PRE
BIAS
VCC
2
+6dB
+
OUT
0dB
REG
GND
PRE
BIAS
+6dB
2.5V
+13dB
+13dB
HPF
CTRL
Vcc
H
H
H
H
+6dB
+6dB
0.1
μ
10
μ
0.33
μ
5.6k
22k
RIN
ROUT
RCH SLEEP
(MONO/ST)
+
2.2k
0.068
μ
12k
1
0
6.8k
4
0.015
μ
0.022
μ
0.022
μ
33k
+
1
μ
10
μ
+
0.022
μ
5.6k
LIN
LOUT
HPF
ON/OFF
+
1
μ
33k
0.022
μ
18k
4
0
6.8k
0.015
μ
0.33
μ
22k
12k
0.068
μ
0.1
μ
2.2k
100
μ
H
0.1
μ
+
100
μ
0.1
μ
+
100
μ
100
μ
H
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