ml7012-04 Oki Optical Components, ml7012-04 Datasheet - Page 19

• Manufacturer Part Number: ml7012-04
• Description: 2400 Single Chip Full Duplex Data Modem With Protocol
• Manufacturer: Oki Optical Components

APPLICATION CIRCUITS
Analog Interface
1 Semiconductor
–
+
–
+
–
+
–
+
SG Gen.
RA
–
+
RB ( = RA)
ML7012
RCAO
AOUT
TXAN
TXAP
TXAI
GSR
RCI
AIN
SG
C4
R1
600
C1
R6
0.022 F
1 F
R4
R5
C3
R2
R3
R7
R8
600 : 600
C2
•
•
•
The 2nd order LPF should be
built to make fc approximately 5
kHz using the built-in amplifier,
R1 to R3, and C1 and C2.
Numeric examples:
R1 = R2 = R3 = 68 k
C1 = 1000 pF, C2 = 220 pF
When V
When V
LINE
DD
DD
< 3 V, R5/R4
3 V, R5/R4
FEDL 7012-04-01
ML7012-04
2.
1.6.
19/22