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參數(shù)資料
| 型號： | L3926A |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Speech and 14 Memory Dialer With LED Driver(語音電路和14個存儲器的撥號器帶LED驅(qū)動器) |
| 中文描述： | 語音和14記憶體，LED驅(qū)動器（語音電路和14個存儲器的撥號器帶的LED驅(qū)動器撥號器） |
| 文件頁數(shù)： | 7/15頁 |
| 文件大小： | 199K |
| 代理商： | L3926A |
ABSOLUTE MAXIMUMRATINGS
Symbol
V
LN
I
LN
V
DD
V
I
T
amb
T
stg
P
tot
Parameter
Value
12
140
7.0
Unit
V
mA
V
V
°
C
°
C
mW
Positive Line Voltage Continuous
Line Current
Logic Voltage
Maximum Voltage on Any Pin
Operating Temperature Range
Storage Temperature
Total Power Dissipation
GND(-0.3) V
DD
(+0.3)
-25 to +75
-40 to 125
700
ELECTRICAL CHARACTERISTICS
(I
L
= 10 to 120mA; V
DD
= 3V; f = 1KHz; T
amb
= 25
°
C, unless other-
wise specified)
Symbol
V
LN
Parameter
Test Condition
I
L
= 4mA
I
L
= 15mA
I
L
= 120mA
R
A
= 68K
I
L
= 15mA
R
B
= 39K
I
L
= 15mA
TONE MODE
PULSE MODE
TONE MODE
PULSE MODE
I
L
= 15mA
I
L
= 15mA
I
L
= 120mA
Min.
Typ.
Max.
2.50
3.85
7.0
Unit
V
V
V
V
V
V
V
μ
A
μ
A
mA
mA
mA
V
μ
A
μ
A
mA
mA
mA
V
Fig.
3
Line Voltage
3.15
3.50
3.2
4.1
V
DD
Logic Voltage)
2.50
2.20
6.00
6.00
3
I
DD
Supply Current Into V
DD
600
400
1.30
4
30
3
I
CC
I
LED
Supply Current Into V
CC
Supply Current to LED
3
3
V
MR
I
MR
I
S
I
PL
I
PO
Memory RetentionVoltage
Memory RetentionCurrent
Off-HookStand-by Current
Pulse Output Sink Current
Pacifier Tone Sink/Source
Current
HKS, Mode,Keyboard Inputs
Low
HKS, Mode, Keyboard Inputs
High
Transmit Gain
1.50
4
4
3
3
3
1.00
250
V
DD
= 4.0V
V
O
= 0.5V
V
O
= 0.5V (Sink)
V
O
= 2.5V (Source)
150
3.00
3
1.0
1.00
1
0.6
V
IL
0.3
x
V
DD
-
V
IH
0.7
x
V
DD
V
-
G
TX
V
mic
= 2mVrms
I
L
= 15mA R
GTX
= 68K
I
L
= 60mA; R
GTX
= 68K
I
L
= 15mA
V
mic
= 2mVrms
R
GTX
= 43K
R
GTX
= 27K
I
L
= 15mA V
LN
= 1Vrms
I
L
= 15mA; V
mic
= 0V
50.0
44.5
–8
51.5
46.5
53.0
48.5
0
dB
dB
dB
6
A
GTX
Transmit Gain Variation with
R
GTX
– 4
– 8
dB
dB
%
6
D
TX
N
TX
Z
MIC
Transmit Distortion
Transmit Noise
Microphone Input Impedance
2
6
6
–72
65
dBmp
K
L3916A - L3926A - L3936A
7/15
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