= 27K鈩?/div>
I
L
= 15mA V
LN
= 1Vrms
I
L
= 15mA; V
mic
= 0V
鈥?2
65
250
Min.
3.15
Typ.
3.50
3.2
4.1
2.50
2.20
600
400
1.30
4
30
6.00
6.00
Max.
2.50
3.85
7.0
Unit
V
V
V
V
V
V
V
碌
A
碌A(chǔ)
mA
mA
mA
V
碌
A
碌
A
mA
mA
mA
V
V
Fig.
3
V
DD
I
DD
I
CC
I
LED
V
MR
I
MR
I
S
I
PL
I
PO
V
IL
V
IH
G
TX
Logic Voltage)
Supply Current Into V
DD
Supply Current Into V
CC
Supply Current to LED
Memory Retention Voltage
Memory Retention Current
Off-Hook Stand-by Current
Pulse Output Sink Current
Pacifier Tone Sink/Source
Current
HKS, Mode, Keyboard Inputs
Low
HKS, Mode, Keyboard Inputs
High
Transmit Gain
3
3
3
3
4
4
3
3
3
-
-
6
50.0
44.5
鈥?
51.5
46.5
53.0
48.5
0
dB
dB
dB
dB
dB
6
A
GTX
Transmit Gain Variation with
R
GTX
鈥?
鈥?
2
D
TX
N
TX
Z
MIC
Transmit Distortion
Transmit Noise
Microphone Input Impedance
%
dBmp
K
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