Datasheet

Multiband Analog and
Digital Television Tuner
MAX3543
6 ______________________________________________________________________________________
Typical Operating Characteristics (continued)
(MAX3543 Evaluation Kit, V
CC
= 3.3V, T
A
= +25NC, registers set according to Table 1, unless otherwise noted.)
DETECTOR ATTACK POINT
vs. DETECTOR THRESHOLD SETTING
MAX3543 toc10
DETECTOR THRESHOLD SETTING
INPUT-REFERRED ATTACK POINT (dBm)
654321
-55
-50
-45
-40
-35
-30
-25
-60
0 7
f
RF
= 666MHz, CW TONE, DVB-T MODE
WIDEBAND DETECTOR
NARROWBAND DETECTOR
DVB-T SENSITIVITY vs. FREQUENCY
MAX3543 toc07
FREQUENCY (MHz)
SENSITIVITY (dBm)
800700500 600200 300 400100
-88
-86
-84
-82
-80
-78
-76
-74
-72
-70
-90
0 900
MEASURED MAX3543
NORDIG SPECIFICATION
64QAM (3/4CR, 1/4GI, 8K, 8MHz), BER < 2e-4
DVB-T DIGITAL BLOCKER HANDLING
vs. BLOCKER CHANNEL
MAX3543 toc08
RELATIVE BLOCKER CHANNEL
DESIRED/BLOCKER (dB)
876543210-1-2-3
-50
-45
-40
-35
-30
-25
-20
-55
-4 9
64QAM (3/4CR, 1/4GI, 8K, 8MHz), BER < 2e-4
MEASURED MAX3543
NORDIG SPECIFICATION
IMAGE REJECTION
vs. FREQUENCY
MAX3543 toc09
FREQUENCY (MHz)
IMAGE REJECTION (dB)
700600500400300200100
40
50
60
70
80
90
100
30
0 900800
DVB-T MODE
0°C
+70°C
+25°C
REFOUT VOLTAGE vs. TIME
MAX3543 toc11
TIME (µs)
REFOUT VOLTAGE (V)
0.40.30.20.1
-0.6
-0.3
0
0.3
0.6
0.9
-0.9
0 0.5
f
XTAL
= 16MHz
/4 MODE (4MHz)
/1 MODE (16MHz)