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參數(shù)資料
| 型號： | BH7800K |
| 廠商： | Rohm CO.,LTD. |
| 英文描述： | Single chip Hi-Fi audio signal processor |
| 中文描述： | 單芯片Hi - Fi音頻信號處理器 |
| 文件頁數(shù)： | 7/13頁 |
| 文件大?。?/td> | 174K |
| 代理商： | BH7800K |
7
Video ICs
BH7800K
Parameter
[REGULATOR]
1: B.W. = 0.4 to 30kHz
2: DIN AUDIO
Symbol
Min.
Typ.
Max.
Unit
Conditions
Quiesent current (positive supply) EE
I
qP EE
mA
30.0
40.0
53.0
EE MODE, after carrier frequency
adjustment with no input
PB MODE, carrier frequency adjustment
FNORM, after BPF adjustment
EE MODE, after carrier frequency
adjustment with no input
PB MODE, carrier frequency adjustment
FNORM, after BPF adjustment
Quiesent current (positive supply) PB
I
qP PB
mA
40.0
54.0
72.0
Quiesent current (negative supply) EE
I
qM EE
mA
– 20.0
– 15.0
– 11.0
Quiesent current (negative supply) PB
I
qM PB
mA
– 22.0
– 16.0
– 12.0
INPUT condition 2
ALC ON
INPUT condition 2,
1
ALC ON
Relevant input shorted to GND,
2
ALC level
V
ALC
dBV
– 3.8
– 1.8
+ 0.2
ALC distortion
THD
ALC
%
—
0.03
0.25
Relevant input: shorted to GND,
2
Non-relevant input: Input condition 2,
2
INPUT condition 2,
2
Crosstalk
CT
EE
dBV
—
– 88.0
– 75.0
INPUT condition 1
L & R input together,
1
Normal out output level
V
ONORM
dBV
– 21.5
– 20.0
– 18.5
INPUT condition 1
L & R input together
INPUT condition 1
L & R input together,
1
INPUT condition 2
L & R input together
Output level
V
OMIX
dBV
– 7.2
– 6.0
– 4.8
Distortion
THD
MIX
%
—
0.08
0.50
MIX ALC level
V
ALCMIX
dBV
– 4.2
– 2.7
– 1.2
V
IN
= – 20.0dBV
Output level
V
OBS
V
OL2
THD
BS
THD
L2
V
ONBS
V
ONL2
dBV
– 11.4
– 10.2
– 9.0
V
IN
= – 20.0dBV,
1
Distortion
%
—
0.005
0.08
BS IN pin shorted to GND,
2
Output residual noise
dBV
—
– 99.0
– 86.0
[EE THROUGH] (INPUT: TU IN L / R, LINE1 IN L / R, LINE2 IN L / R, BS IN L / R OUTPUT: LINE OUT L / R)
[BS / L2 THROUGH] (INPUT: BS / LINE2 L / R IN OUTPUT: LINE OUT L / R)
[LINE AMP] (INPUT: NORMAL IN OUTPUT: LINE OUT L / R)
[MIX AMP] (INPUT: TU IN L / R, LINE1 IN L / R, LINE2 IN L / R, BS IN L / R OUTPUT: MIX OUT)
Regulator input voltage (positive)
V
CC
V
4.75
5.10
5.45
Regulator input voltage (negative)
V
EE
V
– 5.35
– 5.00
– 4.65
Line output level
V
OEE
dBV
– 11.4
– 10.2
– 9.0
INPUT condition 1
Channel balance (L / R)
CB
EE
dB
– 0.8
0.0
0.8
INPUT condition 1
INPUT condition 1,
1
THD = 1%,
1
Distortion
THD
EE
%
—
0.017
0.10
Maximum output level
V
OMEE
dBV
9.0
10.7
—
Output residual noise
V
ONEE
dBV
—
– 94.0
– 86.0
Muting level
MT
EE
dBV
—
– 103
– 90
Line amplifier gain1
V
OLINE1
dB
+ 9.0
+ 9.8
+ 10.6
V
IN
= – 20dBV
(INPUT: TU L / R / M IN, BS L / R IN, LINE1 L / R IN, LINE2 L / R IN OUTPUT: NORMAL OUT)
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