MT88L70ASR1 参数 Datasheet PDF下载

MT88L70

Applications

Data Sheet

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.

V

DD

C

1

DTMF

Input

R

1

IN+

IN-

R

2

GS

V

Ref

INH

PDWN

X-tal

OSC1

OSC2

V

SS

MT88L70

V

DD

St/GT

ESt

StD

Q4

Q3

Q2

Q1

TOE

NOTES:

R

1

, R

2

= 100 kΩ

±1%

R

3

= 300 kΩ

±1%

C

1

,C

2

= 100 nF

±5%

X-tal = 3.579545 MHz

±0.1%

V

DD

= 3.0V + 20% / -10%

R

3

C

2

Figure 6 - Single-Ended Input Configuration

7

Zarlink Semiconductor Inc.