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參數(shù)資料
| 型號(hào)： | BA7726 |
| 廠商： | Rohm CO.,LTD. |
| 英文描述： | Analog compander with vocal fader for KARAOKE |
| 中文描述： | 模擬擴(kuò)展器與卡拉OK演唱推子 |
| 文件頁(yè)數(shù)： | 3/11頁(yè) |
| 文件大?。?/td> | 148K |
| 代理商： | BA7726 |
3
Multimedia ICs
BA7726AS / BA7726AFS
Pin descriptions
Pin No.
Note: Pin type EF: emitter follower, P-P: push-pull, B: base
For pins marked with an asterisk (
), refer to Input and output equivalent circuit.
All figures are designed values based on the measurement circuit in Fig. 1 (where Vcc = 9.0V), and are not guaranteed standards.
Pin name
Function
Voltage
Pin type
2, 1
LINE OUT L / R
Line output (L, R)
4.5V
EF (P - P)
3
L / VF / R CTRL
Line output switching (LEFT / VOCAL FADER / RIGHT)
2.5V
4
MUTE CTRL
Line mute control input
—
6, 5
LINE IN L / R
Line input (L, R)
4.5V
100k
7
VF LPF1
Vocal fader mode LPF capacitor
4.5V
23.5k
8
VF LPF2
Vocal fader mode LPF capacitor
4.5V
70.5k
9
VF LPF3
Vocal fader mode LPF capacitor
4.5V
EF (NPN), 15k
10
GND
Ground
0.0V
—
11
ECHO LEVEL CTRL
Microphone off (ground to 0.1Vcc) / echo level adjustment (0.2Vcc to Vcc)
—
12
LOOP GAIN CTRL
Loop attenuation ratio setting
—
13
EXP DET
Expand detection wave
4.5V
50k
14
EXP DET CT
Expand attack / recovery time setting
Attack R = 5.6k
, recovery R = 85.6k
—
15
EXP BF IN
BF input
4.5V
B (NPN)
16
DLY BF OUT
LPF BF output (EXP)
4.5V
EF (NPN)
17
DLY BF NF IN
LPF BF negative feedback input (EXP)
4.5V
B (NPN)
18
CMP BF OUT
LPF BF output (CMP)
4.5V
EF (P - P)
19
CMP BF NF IN
LPF BF negative feedback input (CMP)
4.5V
B (NPN)
20
CMP OUT
Compression output
4.5V
EF (NPN)
21
CMP DET CT
Compression attack / recover time setting
Attack R = 5.6k
, recovery R = 85.6k
—
22
CMP DET
Compression detection wave
4.5V
60k
23
V
CC
V
CC
9.0V
—
24
BIAS
Bias and capacitor for ripple rejection
4.5V
23.5k
25
MIC AMP NF
Microphone amplifier negative feedback
4.5V
2k
26
MIC AMP IN
Microphone amplifier input
4.5V
100k
27
ALC DET
ALC attack / recovery time setting
—
220
28
ALC DET LEVEL
ALC level setting
—
B (PNP)
29
VO DET LEVEL
Microphone amplifier input detection level setting
—
B (PNP)
30
VO DET
Microphone amplifier input detection attack / recover time setting
—
1k
31
NO / VC CTRL
Line output switching (NORMAL / VOCAL CUT)
—
32
L / ST / R CTRL
Line output switching (LEFT / STEREO / RIGHT)
2.5V
—
—
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| BA7726AFS | 制造商:ROHM 制造商全稱:Rohm 功能描述:Analog compander with vocal fader for KARAOKE |
| BA7726AS | 制造商:ROHM 制造商全稱:Rohm 功能描述:Analog compander with vocal fader for KARAOKE |
| BA7726AS/AFS | 制造商:ROHM 制造商全稱:Rohm 功能描述:Multimedia LSIs |
| BA7730S | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Consumer IC |
| BA7731S | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Consumer IC |
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