MAX3542 データシートの表示（PDF） - Maxim Integrated
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MAX3542 Datasheet PDF : 20 Pages
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Complete Single-Conversion
Television Tuner
AC ELECTRICAL CHARACTERISTICS
(MAX3542 EV kit, VCC = +3.1V to +3.5V, TA = 0°C to +70°C, 75Ω system impedance, default register settings, VRFAGC = VIFAGC =
+3V (minimum attenuation), unless otherwise noted. Typical values are at VCC = +3.3V, TA = +25°C, unless otherwise noted.) (Note 1)
PARAMETER
RF INPUT TO IFOUT1_ OUTPUT
Operating Frequency Range
(see Table 7)
Output Frequency
Voltage Gain
Input Return Loss
Noise Figure
Input IP2 (In-Band and Out-of-Band Tones)
Input IP3 (In-Band and Out-of-Band Tones)
Input P1dB
Beats Within Output
Beats, Converted to Output
Gain Flatness
Isolation
Port-to-Port Isolation
Image Rejection
Spurious Leakage at RF Input
Phase Noise (Single-Sideband)
Output Return Loss
IF VARIABLE-GAIN AMPLIFIER
Input Impedance
Output Impedance
CONDITIONS
MIN TYP MAX UNITS
Gain specification met across this
frequency band
47
Analog channel PIX carrier
Digital channel center frequency
Maximum gain
Source impedance (VRFAGC = 3V)
34
= 75Ω, load
impedance = 200Ω Minimum gain
(VRFAGC = 0.5V)
Selected channel
Maximum gain (VRFAGC = 3V)
Maximum gain (VRFAGC = 3V)
At 12.5dB of gain
Maximum gain (VRFAGC = 3V)
At 12.5dB of gain
13
Maximum gain (VRFAGC = 3V)
At 12.5dB of gain
0dBmV PIX carrier level
VHF input, 140MHz to 500MHz
VHF input, 500MHz to 1400MHz
UHF input, 950MHz to 1400MHz
47MHz to 54MHz
5MHz to 50MHz, RF input to IF output,
relative to desired channel
Isolation between RF input ports at 215MHz
Measured at 77.8MHz above desired
channel’s center frequency
57
5Hz to 65MHz
65MHz to 878MHz
1kHz
10kHz offset
100kHz offset (1.5kHz loop bandwidth)
1MHz offset (1.5kHz loop bandwidth)
Balanced 50Ω load
38.9
36
41
-10
10
4.9
20
30
-10
-38
-5
-40
-60
-50
-60
60
27
70
-40
-40
-80
-85
-105
-125
20
862
MHz
MHz
49.5
dB
dB
dB
dBm
dBm
dBm
dBc
dBc
2.5
dBP-P
dBc
dB
dBc
dBmV
dBc/Hz
dB
Balanced
Balanced (Note 2)
2000
Ω
300
Ω
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