msm7570l-01 Oki Semiconductor, msm7570l-01 Datasheet - Page 15

• Manufacturer Part Number: msm7570l-01
• Description: Multi-function Adpcm Codec Msm7570l-01/02multi-function Adpcm Codec
• Manufacturer: Oki Semiconductor

¡ Semiconductor
*4 Does not contain the setting value set for the programmable gain
AC Characteristics (Programmable Gain Stages)
*5 When single tone is input at 1000Hz
AC Characteristics (DTMF and Other Tones)
AC Characteristics (VOX Function)
Transmit VOX Detect Time
(Voice Signal ON/OFF Detect Time
Transmit VOX Detect Level
Accuracy
(Threshold Level)
Frequency Difference
Original (reference)
Tone Signal Level
*4
Relative Level of
DTMF Tones
Gain Accuracy
Parameter
Parameter
Parameter
)
Symbol
Symbol
Symbol
R
t
t
D
D
VXON
VXOF
D
V
V
V
V
DTMF
D
FT1
FT2
RH
VX
TH
RL
TL
G
To the values (CR6-B6, B5)
DTMF Tones
Other Tones
Transmit Tones
(Gain setting 0dB)
Receive Tones
(Tone generator
gain setting –6dB)
V
All gain stages, to programmed value
OFF Æ ON
ON Æ OFF
TH
/V
TL
, V
RH
Condition
Condition
/V
Condition
RL
VOXO,
See Fig.2
DTMF (Low)
DTMF (High)
and Other Tones
DTMF (Low)
DTMF (High)
and Other Tones
(V
(V
(V
DD
DD
DD
= 2.7 V to 3.6 V, Ta = –25°C to +70°C)
= 2.7 V to 3.6 V, Ta = –25°C to +70°C)
= 2.7 V to 3.6 V, Ta = –25°C to +70°C)
150/310 160/320 170/330
Min.
Min.
Min.
–2.5
–18
–16
–10
–1
—
–7
–7
–8
1
Typ.
Typ.
Typ.
–16
–14
10
—
—
–8
–6
0
0
2
MSM7570L-01/02
*5
Max.
Max.
Max.
+2.5
+1
–14
–12
—
+7
+7
–6
–4
3
15/26
Unit
dBm0
dBm0
dBm0
dBm0
dBm0
Unit
Unit
dB
ms
ms
dB
Hz
Hz