Datasheet

MT8870D/MT8870D-1 Data Sheet
9
Zarlink Semiconductor Inc.
Figure 9 - Single-Ended Input Configuration for BT or CEPT Spec
IN+
IN-
GS
V
Ref
INH
PWDN
OSC 1
OSC 2
V
SS
TOE
V
DD
St/GT
ESt
StD
Q4
Q3
Q2
Q1
DTMF
Input
C
1
R
1
R
2
X
1
V
DD
C
2
R
3
MT8870D-1
NOTES:
R
1
= 102 KΩ ± 1%
R
2
= 71.5 KΩ ± 1%
R
3
= 390 KΩ ±1%
C
1
,C
2
= 100 nF ± 5%
X
1
= 3.579545 MHz ± 0.1%
V
DD
= 5.0 V ± 5%