參數(shù)資料
型號(hào): BH3544F
廠商: Rohm CO.,LTD.
元件分類: 音頻放大器
英文描述: Headphone amplifier for CD-ROMs
中文描述: 耳機(jī)放大器的CD - ROM
文件頁(yè)數(shù): 4/8頁(yè)
文件大?。?/td> 122K
代理商: BH3544F
BH3541F / BH3544F
Optical disc ICs
!
Electrical characteristics
(unless otherwise noted, Ta = 25
°
C, V
CC
= 5.0V, R
L
= 32
, BH3541F : V
IN
= 0dBV,
BH3544F : V
IN
=
6dBV, and f = 1kHz)
Parameter
BH3541F
BH3544F
Symbol
Min.
Typ.
Max.
Unit
I
Q
4
7
10
mA
V
TM
0.3
0.7
1.6
V
THD
0.02
0.1
%
RR
50
57
dB
4
6
0
8
dB
G
VC
0.5
62
31
93
G
VC
2
2
dB
dB
P
O1
25
mW
P
O2
50
0
0.5
mW
V
NO
85
dBV
ATT
CS
70
82
80
90
dB
dB
Conditions
Rg
=
0
f
RR
=
100Hz, V
RR
=
20dBV
BW
=
20~20kHz, Rg
=
0
R
L
=
16
, THD
<
0.1%
Rg
=
0
R
L
=
32
, THD
<
0.1%
BW
=
20~20kHz
V
IN
=
0Vrms
Quiescent current
Mute pin control voltage
Voltage gain
Voltage gain difference between channels
Channel separation
Mute attenuation
Ripple rejection
Total harmonic distortion
Rated output 1
Rated output 2
Output noise voltage
!
Measurement circuit
Fig.1
5
6
7
8
3
4
V
CC
OUT2
BIAS
IN2
47
μ
180k
180k
0dB
(6dB)
0dB
(6dB)
BIAS
MUTE
TSD
2
1
OUT1
MUTE
IN1
GND
1
μ
V
IN
1
330
μ
V
16
330
μ
V
A
1
μ
1
2
SW5
V
IN
2
V
7AC
SW7
1
2
32
10
μ
CV
CC
IQ
SW8B
1
2
SW8A
V
RR
V
CC
32
16
SW1
1
2
V
1AC
V
TM
SW3
1
2
+
+
+
+
+
+
( ) The values in parenthesis are for the BH3544F.
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