msm7708-02 Oki Semiconductor, msm7708-02 Datasheet - Page 16

• Manufacturer Part Number: msm7708-02
• Description: Serial Register Interface Adpcm Codec For Telephone Recording
• Manufacturer: Oki Semiconductor

¡ Semiconductor
Analog Interface Characteristics
Digital Interface Characteristics
*1 –7.7 dBm (600 W) = 0 dBm0, +3.14 dBm0 = 1.30 V
Input Resistance
Output Resistance Load
Output Capacitance Load
Output Voltage Level (*1)
Offset Voltage
SGT, SGR Output Voltage
SGT Output Impedance
SGR Output Impedance
Digital Output Delay Time
PCM, ADPCM Interface
Serial Port Digital I/O
Timing Characteristics
EXCK Clock Frequency
Parameter
Parameter
Symbol
Symbol
t
t
t
t
SDX,
XD1,
XD2,
XD3,
R
R
F
V
V
V
R
R
C
C
V
V
R
EXCK
OF1
SGR
t
t
t
OF2
SGT
O1
O2
SG
t
t
t
t
t
t
t
t
t
L1
L2
L1
L2
10
11
12
IN
1
2
3
4
5
6
7
8
9
t
t
t
t
SDR
RD1
RD2
RD3
AIN+, AIN–, AIN2, PWI
GSX1, GSX2, VFRO, SAO
AOUT+, AOUT–
GSX1, GSX2, VFRO, SAO
AOUT+, AOUT–
GSX1, GSX2, VFRO,
SAO(R
AOUT+, AOUT–
(R
VFRO, SAO
GSX1, GSX2, AOUT+, AOUT–
SGT, SGR
SGT
SGR
1 LSTTL + 100 pF
pull-up resistor : 500 W
Items in parenthesis
mean C load = 10 pF, and
the pull-up resistor £ 2 kW
C load = 50 pF
EXCK
L
= 1.2 kW)
Condition
L
= 20 kW)
Condition
PP
.
Reference
Fig. 4
Fig. 5
—
(V
(V
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)
Min.
–100
Min.
–20
1.2
100
200
10
20
—
—
—
—
—
—
—
50
50
50
50
50
50
50
50
—
0
0
0
0
0
0
Typ.
Typ.
1.4
—
—
—
—
—
—
—
—
—
40
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
8
MSM7708-02
200 (100)
200 (100)
200 (100)
200 (100)
Max.
+100
Max.
100
100
+20
1.3
1.3
100
—
—
—
—
80
12
—
—
—
—
—
—
—
—
—
50
—
10
16/38
Unit
Unit
MW
MHz
V
V
mV
mV
kW
kW
kW
kW
pF
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
V
PP
PP