¡ Semiconductor
MSM7540/7560
Receive Analog Interface Characteristics
Parameter
Input Resistance
Output Load Resistance
Output Capacitance
Output Voltage Level
Offset Voltage
Open Loop Gain
Symbol
Condition
RINPW
RLVF
RLAO
CLVF
CLAO
VOVF
VOAO
PWI
VFRO
AOUT+, AOUT–
VFRO
AOUT+, AOUT–
VFRO
RL = 50 kW
AOUT+,
AOUT–
RL = 1.2 kW
ZL = 350 W
+ 120 nF(See Fig.1)
VOFVF
VOFAO
VFRO
AOUT+, AOUT– (GAIN = 0 dB),
Power amp only
Power amp (0.3 to 3.4 kHz,
GDB ZL = 350 W + 120 nF)(See Fig.1)
Min.
10
50
1.2
—
—
—
—
—
–100
–20
40
* –3 dBm (600 W) = 0 dBm0, + 3.14 dBm0 = 2.226 VPP (MSM7540)
–3 dBm (600 W) = 0 dBm0, + 3.17 dBm0 = 2.226 VPP (MSM7560)
Typ.
—
—
—
—
—
—
—
—
—
—
Max. Unit
— MW
—
kW
—
kW
100 pF
100 pF
*2.226 VPP
*2.226 VPP
*2.226 VPP
+100 mV
+20 mV
—
—
dB
10/15