MAX3541 データシートの表示（PDF） - Maxim Integrated
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MAX3541 Datasheet PDF : 19 Pages
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Complete Single-Conversion
Television Tuner
AC ELECTRICAL CHARACTERISTICS (continued)
(MAX3541 EV kit, VCC = +3.1V to +3.5V, TA = -40°C to +85°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.)
PARAMETER
CONDITIONS
Passband Voltage Gain
Passband Gain Flatness
Output Voltage
AGC Gain Slope
Equivalent Input Voltage Noise Density
Source load =
1.1kΩ,
output load = 1kΩ
Maximum gain setting
(VIFAGC = 3V)
Minimum gain setting
(VIFAGC = 0.5V)
32MHz to 40MHz (Note 1)
VIFAGC = 3V (Note 1)
VIFAGC = 3V to 0.5V (Note 1)
At 36MHz, maximum gain (VIFAGC = 3V)
(Note 1)
Noise Figure Change vs. Attenuation
IM3
VOUT = 1VP-P, 40dB < gain < 60dB (Note 1)
IF OVERLOAD DETECTOR (See the IF Overload Detector Section)
Output Overload Attack Point
Attack Point Accuracy
OD REG = 3
Detector Output Voltage Range
Negative polarity, overload reduces VDET
(open collector, 0.3mA sink)
Detector Gain
FREQUENCY SYNTHESIZER
REFERENCE OSCILLATOR
Frequency
DIVIDERS
RF N-Divider Ratio
RF R-Divider Ratio
LO PHASE DETECTOR AND CHARGE PUMP
Comparison Frequency
CP = 00
Charge-Pump Current
CP = 01
CP = 10
CP = 11
Charge-Pump Three-State Current
Charge-Pump Compliance Range
Charge-Pump Current Matching
LOCAL OSCILLATOR
VCO Tuning Range
VCO Tuning Gain
2-WIRE SERIAL INTERFACE
Clock Frequency
Tank frequency
Tank oscillator gain
MIN
54
-56
0.5
256
16
63
0.4
2200
TYP MAX UNITS
59
63
dB
21
1.2
dB
2.5
VP-P
27
dB/V
7.3 nV/√Hz
< 0.35
dB/dB
dBc
0.7
VP-P
±1
dB
3.0
V
70
V/V
8
MHz
32,767
127
250
kHz
0.5
1
mA
1.5
2
±5
nA
VCC -
V
0.4
5
%
4400
500
MHz
MHz/V
400
kHz
Note 1: Guaranteed by design and characterization.
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