參數(shù)資料
型號(hào)： BH7775K
廠商： Rohm CO.,LTD.
英文描述： VCR audio signal processing system
中文描述： 錄像機(jī)音頻信號(hào)處理系統(tǒng)
文件頁(yè)數(shù)： 10/17頁(yè)
文件大?。?/td> 226K
代理商： BH7775K
10
Video ICs
BH7775K
V
MODE
—
8.0
22
mV
V
OMIX
– 10.6
– 9.4
– 8.2
dBV
THD
MIX
—
0.08
0.50
%
V
OBS
– 10.5
– 8.1
dBV
– 9.3
THD
BS
—
0.08
%
0.006
V
ONBS
—
– 86.0
dBV
– 96.0
V
OLINE1
+ 10.0
+ 11.2
dB
+ 10.6
V
OLINE2
+ 11.2
+ 12.4
dB
+ 11.8
V
OLINE3
+ 13.1
+ 14.3
dB
+ 13.7
V
ALCMIX
– 4.4
– 1.4
dBV
– 2.9
VIN = – 16.0dBV
VIN = – 16.0dBV,
1
2
, Connect BS IN to GND.
V
IN
= – 20.0dBV
V
IN
= – 20.0dBV
V
IN
= – 20.0dBV
Input condition 1, simultaneous L & R input
Input condition 1, simultaneous L & R input
1
Input condition 2, simultaneous L & R input
[LINE AMP] (INPUT: Hi-Fi IN L / R OUTPUT: LINE OUT L / R)
Input condition 1
Input condition 1,
1
Rg = 1k
,
2
Input condition 4
Input condition 4,
1
Input condition 1
Input condition 1,
1
THD = 1%,
1
, ALC OFF
Input condition 2,
2
, EE MODE, ALC OFF
[NORMAL REC AMP]
(INPUT: TU IN M, TU IN L / R, LINE1 IN L / R, LINE2 IN L / R, BS IN L / R OUTPUT: NA REC OUT)
MT
RECN
—
– 94.0
– 70.0
dBV
V
OEE
– 11.6
– 9.2
dBV
– 10.4
THD
EEN
—
0.10
%
0.039
V
ONEEN
—
– 71.3
dBV
– 81.5
V
ALCN1
– 8.9
– 5.9
dBV
– 7.4
THD
ALCN
—
0.15
%
0.045
V
ORECN
– 9.6
– 6.6
dBV
– 8.1
THD
RECN
—
0.20
%
0.079
V
OMRCN
7.0
—
dBV
9.2
(INPUT: TU IN L / R, LINE1 IN L / R, LINE2 IN L / R, BS IN L / R OUTPUT: MIX OUT)
[MIX AMP]
(INPUT: TU IN M, TU IN L / R, LINE1 IN L / R, LINE2 IN L / R, BS IN L / R OUTPUT: LINE OUT L / R)
[NORMAL EE THROUGH]
Parameter
Symbol
Min.
Typ.
Max.
Unit
Conditions
CT
EE
—
—
– 75.0
dBV
[Hi-Fi EE THROUGH]
(INPUT: TU IN L / R, LINE1 IN L / R , LINE2 IN L / R, BS IN L / R OUTPUT: LINE OUT L / R)
MANUAL MODE
V
OEE
– 10.6
– 8.2
dBV
– 9.4
CB
EE
– 0.8
0.8
dB
0.0
THD
EE
—
0.10
%
0.017
V
OMEE
9.0
—
dBV
10.7
V
ONEE
—
– 86.0
dBV
– 93.0
MTEE
—
– 95
dBV
– 105
Input condition 1
Input condition 1
Input condition 1
1
THD = 1%,
1
Relevant input shorted to GND,
2
Input condition 2
2
(LINE OUT)
ST / L / R / N, MIX ON / OFF
Mode switching operating point voltage difference.
Relevant input: shorted to GND
Non-relevant input: Input condition2,
2
Switching DC offset
Line output level
Channel balance (L / R)
Distortion
Maximum output level
Output residual noise
Crosstalk
Muting level
Output level
Distortion
Output residual noise
Line amplifier gain 1
Line amplifier gain 2
Line amplifier gain 3
Output level
Distortion
MIX ALC level
Output voltage level
Distortion
Output residual noise
ALC level 1
ALC distortion
Output voltage level
Distortion
Maximum output level
Output level for EE
[BS THROUGH] (INPUT: BS IN L / R OUTPUT: LINE OUT L / R)
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參數(shù)描述
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