NE5900 Philipss, NE5900 Datasheet - Page 5

• Manufacturer Part Number: NE5900
• Description: Call progress decoder
• Manufacturer: Philipss

Philips Semiconductors
1986 May 8
Call progress decoder
10nF
IN1
IN2
10nF
10nF
10nF
C1
C2
470k
CAPACITIVE
OPTIONAL
100k
100k
INPUT
R1
R2
1
2
100k
R3
–
+
100k
A
V
R4
1 F
C3
Figure 5. Typical Two-Wire Application
TO EAR-PIECE
Figure 4. Typical Application
3.58MHz IN
10M
R6
470k
5
R5
3.58MHz
470k
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
NE5900
NE5900
16
15
14
13
12
10
11
9
16
15
14
13
12
11
10
9
START
CLEAR
ENVELOPE
INTERRUPT
5V
ENABLE
DECODED
OUTPUTS TO
PROCESSOR
ENVELOPE
BIT 1
BIT 2
BIT 3
INTERRUPT
START
CLEAR
5V
Product specification
NE5900
SR01145
SR01146