MSM7732-01 OKI [OKI electronic componets], MSM7732-01 Datasheet - Page 14

• Manufacturer Part Number: MSM7732-01
• Description: Audio CODEC
• Manufacturer: OKI [OKI electronic componets]

AC Characteristics (DTMF and Other Tones)
AC Characteristics (Programmable Gain Stages)
AC Characteristics (Voice Detect Function)
OKI Semiconductor
Frequency Difference
Original (Reference) Tones
Signal Level *4
Relative Level of DTMF Tones
Gain Accuracy
Voice Detection Time
Voice Detection Accuracy
*4
Parameter
Parameter
Parameter
Does not include the setting value for the programmable gain.
Symbol
Symbol
Symbol
R
T
T
D
V
D
V
V
V
D
VON
DTMF
VOF
VX
TH
RH
FT
TL
RL
G
(Gain setting
(Gain setting
All gain stages, to programmed value
Silence>Voice
(Voice/Silence differential: 10 dB)
For detection level set values by
CR6-B6, B5
Transmit
Receive
–6 dB)
DTMF Tones, Other Tones
Tones
Tones
0 dB)
V
TH
Condition
/V
Condition
Condition
TL
DTMF (High) and
DTMF (High) and
, V
DTMF (Low)
Other Tones
DTMF (Low)
Other Tones
RH
/V
RL
(V
(V
(V
DD
DD
DD
= 2.4 V to 3.3 V, Ta = –40°C to +85°C)
= 2.4 V to 3.3 V, Ta = –40°C to +85°C)
= 2.4 V to 3.3 V, Ta = –40°C to +85°C)
Min.
–1.5
Min.
Min.
–2.5
–18
–16
–10
140
–8
+1
–1
—
Typ.
Typ.
Typ.
–16
–14
160
–8
–6
+2
—
0
5
0
FEDL7732-01-10
MSM7732-01
Max.
Max.
Max.
+1.5
–14
–12
180
2.5
+3
+1
–6
–4
—
dBm0
dBm0
dBm0
dBm0
14/29
Unit
Unit
Unit
ms
ms
dB
dB
dB
%