L3916AN Просмотр технического описания (PDF) - STMicroelectronics
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L3916AN Datasheet PDF : 15 Pages
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L3916A - L3926A - L3936A
TEST CIRCUITS(continued)
Figure 5.
470nF
2.25K GDTMF
22
22nF
VDD
23
470K
PULSE
6
3.58MHz
OSC
5
SW2 MODE
PULSE
7
TONE
100K /PT
SW1
HKS
8
GND
9
300Ω
Re
10µF
RXOUT
10
GRX
11
RGRX
IREF
13
3.6K
VCC
14
100µF
RGIN
12
620Ω
100nF
D95TL164
Figure 6.
470nF
2.25K GDTMF
22
IDD
VDD
22nF
VDD
23
470K
PULSE
6
3.58MHz
OSC
5
SW2 MODE
PULSE
7
TONE
100K /PT
SW1
HKS
8
GND
9
Re 10µF
RXOUT
10
100K GRX
11
RGRX
IREF
13
3.6K
VCC
14
100µF
RGIN
12
620Ω
100nF
10/15
C4
4
C3
3
C2
2
C1
1
28 R1
R2
27
R3
26
R4
25
R5
24
1.2V
ZMIC =
Imic
1 2 3 FLASH
4 5 6 PROG
7 8 9 P/LND
*0#
E1 E2 E3 MEM
MIC+
Imic
21
1.2V
MIC-
20
GTX
19
4.7µF
RGTX
REG
18
LN
17
LED
15
ILED
16
ILINE 390Ω
130K
3.9K
20Ω
390Ω
C4
4
C3
3
C2
2
C1
1
R1
28
R2
27
R3
26
25 R4
R5
24
VLN
GTX=20log
Vrms
NTX measured with Vrms=0
1 2 3 FLASH
4 5 6 PROG
7 8 9 P/LND
*0#
E1 E2 E3 MEM
MIC+
21
2.2K
1µF
MIC-
20
Vrms
1µF
GTX
19
RGTX 88K 4.7µF
REG
VLN
18
LN
17
LED
15
ILED
16
ILINE
390Ω
130K
3.9K
100µF
IL
20Ω
390Ω
600Ω
D95TL165
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