MAX2108 Maxim, MAX2108 Datasheet - Page 3

• Manufacturer Part Number: MAX2108
• Description: Direct-Conversion Tuner IC
• Manufacturer: Maxim

AC ELECTRICAL CHARACTERISTICS (continued)
(V
tial); T
Note 1: AC specifications with minimum/maximum limits are met within this frequency range.
Note 2: LO and LO are differentially driven through an AC-coupled matching network.
Note 3: P
Note 4: P
(T
Prescaler Divide Ratio
Differential Prescaler Output
Swing
I/Q Channel Quadrature
Phase Error (Note 2)
I/Q Amplitude Mismatch
(Note 2)
I/Q Channel Clipping Level
Baseband Bandwidth
I/Q Channel Differential
Output Impedance
CC
A
125
120
115
110
105
100
= +25°C, unless otherwise noted.)
95
90
= +5V; PS_SEL = 0.5V; P
A
4.75
= +25°C; unless otherwise noted.)
1751MHz, f
2150MHz, f
PARAMETER
RFIN
RFIN
4.85
vs. SUPPLY VOLTAGE
= -20dBm per tone, GC set via servo loop for V
= -20dBm per tone, GC set via servo loop for V
SUPPLY CURRENT
4.95
LO
LO
_______________________________________________________________________________________
V
T
T
CC
A
A
T
= 1740MHz.
= 951MHz.
A
(V)
= +70°C
= +25°C
= 0°C
5.05
RFIN
5.15
SYMBOL
V
= -20dBm; f
V
PSOUT -
PSOUT
5.25
V
V
C
f
f
f
no output load
At -3dB attenuation
f
IOUT
IOUT
IOUT
IOUT
LO
PS_SEL
PS_SEL
PSOUT
-10
-20
-30
-40
-50
-60
-70
-80
0
= f
1
= f
= f
= f
= f
RFIN
CARRIER LEVEL vs. GAIN CONTROL
= C
> 2.4V
< 0.5V
IOUT
IOUT
IOUT
IOUT
1.5
Direct-Conversion Tuner IC
+125kHz; GC set via servo loop for V
PSOUT
= f
= f
= f
= f
IOUT
IOUT
CONDITIONS
GC VOLTAGE (V)
QOUT
QOUT
QOUT
QOUT
2
= 10pF to GND
- V
- V
GC SET FOR 10mVp-p
BASEBAND OUTPUT
f
RFIN
2.5
= f
= f
= f
= f
IOUT
IOUT
Typical Operating Characteristics
= 1750 MHz
QOUT
QOUT
QOUT
QOUT
= 20mVp-p per tone. f1
= 20mVp-p per tone. f1
3
= 10MHz,
= 125kHz
= 20MHz
= 125kHz
3.5
10
8
6
4
2
0
900
IOUT
MIN
1.0
32
33
RFIN
RFIN
- V
INPUT IP3 vs. FREQUENCY
1100
= 1749MHz, f2
= 1200MHz, f2
IOUT
RF FREQUENCY (MHz)
TYP
150
1.4
33
1300
= 200mVp-p (differen-
TWO-TONE FREQUENCY
SPACING EQUALS 2MHz
MAX
32
33
1500
3
1
RFIN
RFIN
=
=
degrees
UNITS
1700
Vp-p
Vp-p
MHz
dB
Ω
3