ml7005mb Oki Semiconductor, ml7005mb Datasheet - Page 11

• Manufacturer Part Number: ml7005mb
• Description: Dtmf Transceiver Ml7005dtmf Transceiver
• Manufacturer: Oki Semiconductor

*1 See the figure 3 for timing.
¡ Semiconductor
AC Characteristics 5 DTMF Receiver
DTMF Detect Amplitude
DTMF Non-detect Amplitude
Detect Frequency
Non-detect Frequency
Level Twist
Noise to Signal Ratio
Dial Tone Rejection Ratio
Signal Repetition Time
Time to Detect
Time to Reject
Interdigit Pause Time
Acceptable Drop Out Time
Detect Delay Time
Detect Hold Time
SP Delay Time
The input level includes the entire range indicated in V
The input frequency includes the entire range indicated in f
Parameter
Symbol
t
t
t
t
V
V
t
t
t
t
t
t
t
t
t
t
t
t
BRKDT10
BRKDT11
BRKDT20
BRKDT21
V
V
V
f
f
POSDT0
POSDT1
HOLDT0
HOLDT1
CYCDT0
CYCDT1
DETDT0
DETDT1
REJDT0
REJDT1
DELDT0
DELDT1
DETDT1
DETDT2
DETDT
REJDT
V
REJDT
TWIST
REJDT
t
N/S
SP
*1
V
(Before output)
(During output)
Per Frequency at DTRIO
Non-detect
N/S (N : 0.3 to 3.4 kHz)
High
To Nominal Frequency
SP = "1"
SP = "0"
Detect
2.7 V £ V
4.5 V £ V
Group - V
360 to 440 Hz
Condition
DTTIM = "1", "0"
DTTIM = "1"
DTTIM = "0"
DTTIM = "1"
DTTIM = "0"
DTTIM = "1"
DTTIM = "0"
DTTIM = "1"
DTTIM = "0"
DTTIM = "1"
DTTIM = "0"
DTTIM = "1"
DTTIM = "0"
DTTIM = "1"
DTTIM = "0"
DTTIM = "1"
DTTIM = "0"
DD
DD
Low
£ 5.5 V
£ 5.5 V
Group
DETDT1
(V
DETDT
DD
Min.
–1.8
–6.0
–42
–42
3.8
0.2
—
—
—
—
60
90
35
49
—
—
21
30
—
—
—
—
12
24
15
24
and V
= 2.7 to 5.5 V, Ta = –30 to +85°C)
.
DETDT2
Typ.
–12
0.6
—
—
—
—
—
—
—
45
—
—
—
—
—
—
—
—
—
—
—
—
26
41
20
28
.
Max.
+1.8
–3.8
+6.0
–10
–60
0.4
0.4
1.0
—
—
—
—
—
—
—
10
24
—
—
10
37
49
27
35
0
3
ML7005
11/24
Unit
dBm
ms
dB
%