MT88L70AN1 Zarlink, MT88L70AN1 Datasheet - Page 7

• Manufacturer Part Number: MT88L70AN1
• Description: DTMF RX 3.58MHz CMOS 3V 20-Pin SSOP Tube
• Manufacturer: Zarlink

Specifications of MT88L70AN1

• Package: 20SSOP
• Operating Frequency: 3.58 MHz
• Typical Supply Current: 2 mA
• Typical Operating Supply Voltage: 3 V
• Minimum Operating Supply Voltage: 2.7 V
• Maximum Operating Supply Voltage: 3.6 V

Applications
A single-ended input configuration is shown in Figure 6. For applications with differential signal inputs the circuit
shown in Figure 5 may be used.
DTMF
Input
C
1
X-tal
Figure 6 - Single-Ended Input Configuration
R
R
2
1
IN+
IN-
GS
V
INH
PDWN
OSC1
OSC2
V
Zarlink Semiconductor Inc.
Ref
SS
MT88L70
MT88L70
V
DD
St/GT
7
TOE
V
StD
ESt
Q4
Q3
Q2
Q1
DD
R
C
3
NOTES:
R
R
C
X-tal = 3.579545 MHz ±0.1%
V
2
1
3
1
DD
, R
,C
= 300 kΩ ±1%
= 3.0V + 20% / -10%
2
2
= 100 nF ±5%
= 100 kΩ ±1%
Data Sheet