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參數(shù)資料
| 型號(hào)： | LA2806M |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Signal Processor and Power Amplifier IC for Telephone Answering Machines |
| 中文描述： | 信號(hào)處理器和功放的IC電話答錄機(jī) |
| 文件頁數(shù)： | 2/11頁 |
| 文件大?。?/td> | 177K |
| 代理商： | LA2806M |
Operating Conditions
at Ta = 25°C
Parameter
Symbol
V
CC
, P.V
CC
V
CC
op, P.V
CC
op
R
L
V
IN
Conditions
Ratings
Unit
V
V
Vp-p
Recomended supply voltage
Operating supply voltage range
Recommended load resistance
Preamplifier input voltage
5
4.5 to 7.5
Power amplifier
8
0 to 1.0
Operating Characteristics
at Ta = 25°C, V
CC
= 5 V, f = 1 kHz
Parameter
Symbol
I
CC
Conditions
min
typ
10
max
Unit
mA
Quiescent current
[Preamplifier]
15
Voltage gain
VG
C
–70 dBV input, measured between pins
5 and 8
–40 dBV input, measured between pins
5 and 8
Measured between pins 5 and 8
–40 dBV input, measured between pins
5 and 8
Input short circuited (internal 2.2 k
resistance)
From ALC ON to THD = 1 %
57
59
61
dB
Total harmonic distortion
THD
0.5
1.0
%
ALC turnover input voltage
V
ALC
–68
–64
–60
dBV
ALC output saturation voltage
V
OS
400
500
625
mVrms
Equivalent input noise voltage
V
NI
1.5
5.0
μVrms
ALC range
ALC W
40
45
dB
[Playback equalizer amplifier]
Voltage gain
VG
E
–70 dBV input, measured between pins
2 and 8
–60 dBV input, measured between pins
2 and 8
Input short circuited (internal 2.2 k
resistance), Flat
57
59
61
dB
Total harmonic distortion
THD
0.5
1.5
%
Equivalent input noise voltage
V
NI
1.5
5.0
μVrms
[Recording amplifier]
Voltage gain
VG
R
50 k
impedance connected to pin 1
Z
AC
, measured between pins 10 and 2
100 k
resistance connected to pin 1
Z
DC
, measured on pin 2
–40 dBV preamplifier input
–7.0
–4.0
–1.0
dB
Output bias voltage
V
B
0.4
0.8
1.2
V
Total harmonic distortion
[LINE amplifier]: R
L
= 1 k
Voltage gain
THD
0.5
1.0
%
VG
L
Measured between pins 10 and 22
Measured between pins 10 and 22,
THD = 1 %
–1
0
+1
dB
Maximum output voltage
V
O
max
0.6
Vrms
Total harmonic distortion
[Power amplifier]: R
L
= 8 k
, input pin 20
THD
–40 dBV preamplifier input
0.5
1.0
%
Voltage gain
VG
P
–30 dBV input, measured between pins
20 and 17
THD = 10 %
26
28
30
dB
Output voltage
P
O
0.2
0.25
W
Total harmonic distortion
Input resistance
Ripple rejection ratio
Output noise voltage
[Voice-operated switch] Pin 25, R = 20 k
applied 5 V.
THD
r
i
SVRR
V
NO
P
O
= 100 mW
0.5
15
50
0.1
1.0
20
%
k
dB
10
40
Rg = 0, f
r
= 100 Hz, V
CC
r = –20 dBV
Input short circuited, Flat
0.5
mVrms
Sensitivity
V
OXL
V
OXH
V sat
–23 dBV input, f = 800 Hz
–27 dBV input, f = 800 Hz
2 V supplied to pin24
0.3
V
V
V
4.5
5.0
Output ON voltage
[Control pin voltage]
0.3
Pin 26 to 30
V
H
Input high-level voltage
1.5 (or
V
CC
+ 0.3)
V
V
L
Input low-level voltage
Input high-level voltage, supplied via
diode
0
0.8
V
Pin 24 (MUTE)
V
H
1.5
V
CC
–0.7
V
[V
REF
]
Output voltage
V
REF
2.05
2.25
2.45
V
LA2806M
No. 3852 - 2/11
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