¡ Semiconductor
MSM7583
Analog Interface Characteristics
(VDD = 4.5 V to 5.5 V, Ta = –25°C to +70°C)
Parameter
Symbol
Condtion
Min. Typ. Max. Unit
Output Resistance Load
RLIQ I+, I–, Q+, Q–, ENV
10
—
— kW
Output Capacitance Load
CLIQ I+, I–, Q+, Q–, ENV
—
—
20
pF
VDC1 I+, I–, Q+, Q– (TXW = 0)
1.55
1.6
1.65
V
I+ (CR0 – B5 = 1)
VDC2 when not modulated
—
1.77
—
V
Output DC Voltage Level
Q+ (CR0 – B5 = 1)
VDC3 when not modulated
—
1.67
—
V
VDC4 ENV (TXW = 0)
—
1.35
—
V
VDC5 ENV (TXW = 1, CR0 – B2 = 0, TXD = 0) —
1.72
—
V
VDC6 ENV (TXW = 1, CR0 – B2 = 1, TXD = 0) —
1.63
—
V
Output AC Voltage Level
I+, I–, Q+, Q–
VAC (TXW = 0 continuous input)
340
360
380 mVPP
Offset Voltage Difference
Difference among
VOFF I+, I–, Q+, and Q–
–20
—
+20 mV
Output DC Voltage Adjustment Level Range DCVL
—
—
±45
— mV
Output AC Voltage Adjustment Level Range ACVL
—
—
±4
—
%
Out-of-band Spectrum
P600 600 kHz detuning (*)
P900 900 kHz detuning (*)
60
—
—
dB
65
—
—
dB
Modulation Accuracy
EVM
—
—
1.0
3.0 % rms
Demodulator IF Input Level
IFV IFIN input level
0.5
—
VDD
VPP
RIF
—
IFIN Input Impedance
CIF
—
—
20
— kW
—
5
—
pF
SG Output Voltage
VSG
—
—
2.0
—
V
SG Output Impedance
RSG
—
—
2
— kW
SG´AGND 0.1 mF
SG warm-up Time
TSG (Rise Time to 90% of max.
—
400
—
ms
level.)
Modulator D/A
Conversion Sampling Frequency FSDA
—
—
1.92
— MHz
Modulator D/A
Conversion Offset Frequency
FCDA
—
—
380
— kHz
* Power attenuation at 600 kHz or 900 kHz ±96 kHz as referred to two times of the power in
frequency band of 0 to 96 kHz
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