ml7041 Oki Semiconductor, ml7041 Datasheet - Page 15

• Manufacturer Part Number: ml7041
• Description: Audio Codec
• Manufacturer: Oki Semiconductor

AC Characteristics (DTMF and Other Tones)
AC Characteristics (Programmable Gain Stages)
AC Characteristics (Voice Detect Function)
Frequency Difference
Original (reference) Tones Signal
Level *5
Relative Level of DTMF Tones
OKI Semiconductor
Gain Accuracy
Voice Detection Time
Voice Detection Accuracy
*5
Not including programmable gain set values
Parameter
Parameter
Parameter
Symbol
Symbol
T
T
Symbol
D
R
VON
VOF
D
V
V
V
V
VX
DTMF
D
RH
TH
RL
FT
TL
G
(Voice/silence differential: 10 dB)
For detection level set values by
DTMF Tones, Other Tones
V
Transmit tones
(gain setting of
(gain setting of
Receive tones
All gain stages, to programmed
TH
/V
–6 dB)
0 dB)
TL
, V
Silence
RH
Condition
CR6-B6
Condition
/V
Condition
value
RL
DTMF (Low) and
Other Tones
DTMF (High)
DTMF (Low)
DTMF (High) and
Other Tones
Voice
(V
(V
(V
DD
DD
DD
–2.5
Min.
Min.
140
= 2.4 to 3.3 V, Ta = –40 to +85 C)
= 2.4 to 3.3 V, Ta = –40 to +85 C)
= 2.4 to 3.3 V, Ta = –40 to +85 C)
–1
—
Min.
–1.5
–18
–16
–4
–2
+1
Typ.
Typ.
160
0
5
0
Typ.
–16
–14
–2
+2
—
0
Max.
Max.
180
2.5
Max.
+1
+1.5
—
–14
–12
FEDL7041-04
+2
+3
0
ML7041
dBm0
dBm0
dBm0
dBm0
Unit
Unit
Unit
ms
ms
dB
dB
15/28
dB
%