Single-Conversion DVB-H Tuner
AC ELECTRICAL CHARACTERISTICS (continued)
(MAX2165 EV kit, V CC = +2.75V to +3.3V, V RF_AGC = V BB_AGC = 2.3V (maximum gain), V OUT = 1V P-P , 75 ? system impedance, reg-
isters set according to the specified default register conditions, T A = -40°C to +85°C, unless otherwise noted. Typical values are at
V CC = +2.85V, T A = +25°C, unless otherwise noted.) (Note 1)
PARAMETER
Power-Up Time
CONDITIONS
Shutdown to full operation, VCO settled to the Rx
frequency, DC offset calibrated (Note 8)
MIN
TYP
<1
MAX
20
UNITS
ms
BASEBAND FILTERS
Lower corner (Note 9)
0 or
200
Hz
Passband Cutoff Attenuation
Amplitude Ripple
Group Delay Ripple
Group Delay Matching
Upper corner at 3.85MHz (UHF mode), T A = +25°C
Upper corner at 3.35MHz (VHF mode), T A = +25°C
T A = +25°C
0.9
2.7
0.5
150
5
5
5
1.5
dB
dB P-P
μs P-P
ns
4.75MHz (VHF mode) (Note 11)
23
Rejection Ratio (Note 10)
5.25MHz (UHF mode) (Note 11)
14.5MHz (VHF and UHF mode) (Note 12)
23
59
75
dB
FRACTIONAL SYNTHESIZER
> 16.2MHz
84
RF N-Divider Ratio
RF R-Divider Ratio
7
1
251
2
Fractional Ratio
Integer Spurs
Settling Time
Charge-Pump Current
Charge-Pump Leakage
Length of fractional accumulator (Note 13)
Worst-case spur inside baseband filter bandwidth
35MHz step, settled to within 100Hz frequency error / 20°
phase error
ICP = 0
ICP = 1
-10
20
-60
200
0.6
1.2
+10
bits
dBc
μs
mA
μA
REFERENCE OSCILLATOR
Reference Frequency
4
26
MHz
Reference Buffer Output Voltage
Swing
Input Impedance
Input Voltage
10k ? || 10pF load
When used as a passive input for an external reference
oscillator
When used as a passive input for an external reference
oscillator
0.5
100
1
12
600
V P-P
k ?
mV RMS
OVERLOAD DETECTOR
Attack-Point Accuracy
±2.5
dB
Attack-Point Increment
3-bit DAC, change per LSB step
2.5
dB
Detector Output Sink
Detector on
Detector off
0.1
5
mA
μA
4
_______________________________________________________________________________________
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