參數(shù)資料
型號: LA6537
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PDIP30
封裝: SDIP-30
文件頁數(shù): 3/6頁
文件大?。?/td> 82K
代理商: LA6537
LA6537
No.5822-3/6
Test Method
SW No.
Item
1
2
3
4
5
6
7
8
9
10
11
12
13
14
ICC1
a
ON
OFF
b
OFF
ON
OFF
b
OFF
ICC2
a
ON
OFF
b
OFF
ON
OFF
a
OFF
VOF1, 2
b
ON
OFF
b
OFF
ON
OFF
b
OFF
IB
b
OFF
ON
OFF
a
ON
OFF
b
OFF
VO1
b
OFF
ON
OFF
ON
b
a
OFF
ON
b
OFF
VO2
b
OFF
a
b
OFF
ON
b
OFF
VMUTE
b
ON
OFF
b
OFF
ON
OFF
b
OFF
IMUTE
b
ON
OFF
b
OFF
ON
OFF
b
OFF
VG
b
ON
OFF
b
OFF
ON
OFF
b
ON
1. For ICC1 and 2, measure the inflow current on the VCC pin.
2. For VOF1 and 2, measure the voltage between pins 5 and 6 (amplifiers 1 and 2), pins 25 and 26 (amplifiers 7 and 8),
pins 10 and 11 (amplifiers 3 and 4), and pins 20 and 21 (amplifiers 5 and 6).
3. For IB, measure the voltage across the 100k resistor (IB = V/100k).
4. For VO1 and 2, measure each output voltage at input voltages 1.75V and 5.75V, respectively.
5. VMUTE is the mute pin (pin 15) voltage when the output goes off.
6. IMUTE is the mute pin (pin 15) inflow current when the output goes off.
7. For VG, measure the voltage between pins 5 and 6 (amplifiers 1 and 2), pins 25 and 26 (amplifiers 7 and 8),
pins 10 and 11 (amplifiers 3 and 4), and pins 20 and 21 (amplifiers 5 and 6) at f = 1kHz, and use the following formula :
VG = 20log VO/VIN dB.
Pin Assignment and Block Diagram
30
VCC
1
29
NC
2
28
VIN8+
VIN1+
3
27
VIN8-
VIN1-
4
26
VO8
VO1
5
25
VO7
VO2
6
24
GND
7
23
GND
8
22
GND
9
21
VO6
VO3
10
20
VO5
VO4
11
19
VIN5-
VIN4-
12
18
VIN5+
VIN4+
13
17
Buffer
OUT
NC
14
16
Buffer
IN
Mute
15
+
Amp7
-
+
Amp8
-
+
Amp2
-
+
Amp1
-
+
Amp6
-
+
Amp3
-
+
Amp5
-
+
Amp4
Buf
fer2
Buf
fer1
-
+
-
+
-
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