msm7586-01 Oki Semiconductor, msm7586-01 Datasheet - Page 25

• Manufacturer Part Number: msm7586-01
• Description: Shift Qpsk Modem/adpcm Codec
• Manufacturer: Oki Semiconductor

Note:
¡ Semiconductor
AC Characteristics (CODEC Unit)
Notes:
ADPCM unit characteristics are fully compliant with ITU-T Recommendation G.726.
AC Characteristics (DTMF and Other Tones)
Note:
AC Characteristics (Gain Settings)
AC Characteristics (VOX Function)
Transmit VOX
Detection Time
(Voice and Silence
Test Time)
Transmit VOX
Detection Level Accuracy
(Voice Detection Level)
Idle Channel
Noise
(*2)
Absolute Level (*4)
Power Supply Noise
Rejection Ratio
Frequency Deviation
Tone Reference
Output Level
(*5)
DTMF Tone Level Relative Value
Transmit/Receive Gain
Setting Accuracy
Parameter
Parameter
Parameter
Parameter
*2 P-message filter used
*3 PCMRI input: "11010101" (A-law), "11111111" (m-law)
*4 0.320 Vrms = 0 dBm0 = –7.7 dBm (600 W)
*5 Not including programmable gain set values
*6 When single tone is input at 1000Hz
Symbol
Symbol
Symbol
Symbol
P
R
P
N
T
N
T
A
D
D
A
V
V
V
SRRR
V
D
SRRT
DTMF
VXON
VXOF
IDLT
IDLR
D
FT1
FT2
VR
RH
VT
TH
RL
TL
VX
G
Frequency (Hz)
Noise frequency:
Transmit side tone
(Gain setting 0dB)
Receive side tone
(Tone generator
gain setting –6dB)
DTMF tones
Other various tones
V
0 kHz to 50 kHz
SilenceÆvoice
VoiceÆsilence
For detection level set values by
CRM6 - B6, B5
For all gain set values
TH
/V
1020
TL
—
—
, V
RH
/V
RL
Condition
Condition
Condition
VOXO pin: See Fig. 7
Voice/silence
differential: 10 dB
Condition
DTMF (low group)
DTMF (high group), other
DTMF (low group)
DTMF (high group), other
Level dBm0
Noise level:
AIN = SG
50 mVpp
(*3)
0
Other
GSX2
VFRO
—
—
—
(V
(V
(V
(V
DD
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)
= 2.7 V to 3.6 V, Ta = –25°C to +70°C)
140/300 160/320 180/340
0.285
0.285
Min.
Min.
Min.
Min.
–2.5
–18
–16
–10
—
—
30
30
–7
–7
–8
–1
—
1
0.320
0.320
Typ.
Typ.
Typ.
Typ.
–16
–14
—
—
—
—
—
—
–8
–6
10
2
0
0
*6
MSM7586-01/03
(–75.7) dBm0p
(–79.7)
Max.
0.359
0.359
Max.
Max.
Max.
+2.5
–68
–72
–14
–12
—
—
+7
+7
–6
–4
+1
—
3
25/42
(dBmp)
dBm0
dBm0
dBm0
dBm0
Vrms
Vrms
Unit
Unit
Unit
Unit
dB
dB
dB
ms
ms
Hz
Hz
dB
dB