MT88E39AS1 Zarlink, MT88E39AS1 Datasheet - Page 7

• Manufacturer Part Number: MT88E39AS1
• Description: Caller ID CMOS 3.58MHz 3.3V/5V 16-Pin SOIC Tube
• Manufacturer: Zarlink

Specifications of MT88E39AS1

• Package: 16SOIC
• Telecommunication Standards Supported: ETSI 300 778-1|GR-30|SR-TSV-002476|TIA/EIA-716
• Fabrication Technology: CMOS
• Maximum Data Rate: 1212 Bd
• Typical Operating Supply Voltage: 3.3|5 V
• Typical Supply Current: 1.9 mA
• Minimum Operating Temperature: -40 °C
• Maximum Operating Temperature: 85 °C
• Operating Frequency: 3.58 MHz

TIP
RING
Note:
*1
Unless stated otherwise, resistors are 1%, 0.1 Watt; capacitors are 5%, 6.3 V
D1, D2, D3, D4 = diodes, 1N4003 or 1N4148 or equivalent
D5, D6, D7, D8 = bridge rectifier diodes, 1N914
Xtal = 3.579545 MHz, +/-0.2%
R8 = R9 = 100 K, 20%
R10 = 12K1, 1W5, 5%, Fusible resistor
R2 = R4 = 34 K
For 1000 Vrms, 60 Hz isolation from Tip to Earth and Ring to Earth:
If the 1000Vrms is met by other means, then this circuit has to meet FCC part 68 Type B Ringing:
330 nF
250 V
10%
100 nF
R8 and R9 not required when FSK interface mode 1 is selected.
R1 = R3 = 430 K, 0.5 W, 5%, 475 V minimum. e.g., IRC Type GS-3
C1 = C2 = 2 n2, 1332 V minimum
R1 = R3 = 432 K, 0.1 W, 1%, 56 V minimum
C1 = C2 = 2n2, 212V minimum
For Bellcore applications, set input gain = 0 dB:
For Bellcore applications, set input gain = -3 dB:
10%
50 V
R10
C1
C2
Example of component values for Vdd = 5 V +/- 10%
R5 = 53K6
R6 = 60K4
R7 = 464K
Example of component values for Vdd = 3 V +/- 10%
R5 = 44K2
R6 = 51K1
R7 = 332K
D5
D6
R
R
D7
D8
1
3
1N5231B
Motorola
4N25
D3
D4
D1
D2
Vdd
Vdd
Figure 6 - Application Circuit
Vdd
Zarlink Semiconductor Inc.
464 K
5%
R
R
2
4
MT88E39
100 nF
200 K
20%
5%
R
7
5
R
6
10 nF
R
Xtal
For ETSI applications, set input gain = -2.5 dB:
For ETSI applications, set input gain = -5.5 dB:
7
(Ring Detect)
(FSK interface mode 0 selected)
V
CAP
IN+
IN-
GS
OSC1
OSC2
V
Ref
SS
To microcontroller
R5 = 53K6
R6 = 63K4
R7 = 348K
R5 = 44K2
R6 = 53K6
R7 = 249K
MT88E39
MODE
PWDN
DATA
DCLK
V
CD
DR
DD
IC
= From microcontroller
= To microcontroller
Vdd
Vdd
Data Sheet
R
8
*
1
Vdd
100 nF
20%
R
9
*
1