¡ Semiconductor
AC Characteristics 2 Call Progress Tone (CPT) Generator
ML7005
(V
DD
= 2.7 to 5.5 V, Ta = –30 to +85°C)
Parameter
Tone Transmit Amplitude
Output Frequency
Total Harmonic Distortion
Symbol
V
CPT
f
CPT
THD
CPT
Condition
—
—
Harmonics - Fundamental
Min.
–4
380
—
Typ.
–2.5
400
–39
Max.
–1
420
–23
Unit
dBm
Hz
dB
AC Characteristics 3 Call Progress Tone (CPT) Detector
(V
DD
= 2.7 to 5.5 V, Ta = –30 to +85°C)
Parameter
CPT Detect Amplitude
CPT Non-detect Amplitude
Time to Detect
Time to Reject
CPT Detect Delay Time
CPT Detect Hold Time
CPT Detect Frequency
CPT Non-detect Frequency
Symbol
V
DETCP
V
REJCP
t
DETCP
t
REJCP
t
DELCP
t
HOLCP
f
DETCP
f
RETCP
Condition
2.7 V
£
V
DD
£
5.5 V
4.5 V
£
V
DD
£
5.5 V
f
in
= 350 to 450 Hz at CPDIO
Detect
Non-detect
See Figure 1.
—
—
Min.
–46
–46
—
30
—
10
10
350
530
—
Typ.
—
—
—
—
—
18
18
—
—
—
Max.
–6
0
–60
—
10
30
30
450
—
290
ms
ms
Hz
Hz
dBm
Unit
t
REJCP
CPDI
t
DETCP
t
DELCP
CPDO
(CPDR)
t
HOLCP
Figure 1 CPT Detect Timing
9/24
OKI [ OKI ELECTRONIC COMPONETS ]
