Rainbow Electronics MAX2104 - Manual (Page 3)

MAX2104
Direct-Conversion Tuner IC for
Digital DBS Applications
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DC ELECTRICAL CHARACTERISTICS (continued)
(V CC = 4.75V to 5.25V, V FB = 2.4V, C IOUT_ = C QOUT_ = 10pF, f FLCLK = 2MHz, RFIN_ = floating, R IOUT_ = R QOUT_ = 10k Ω,
V FDOUB = V INSEL = V CPG1 = V CPG2 = 2.4V, V PLLIN+ = V MOD+ = 1.3V, V PLLIN- = V MOD- = 1.1V, T A = +25°C. Typical values are at
V CC = 5.0V and T A = +25°C, unless otherwise noted.)
AC ELECTRICAL CHARACTERISTICS
(V CC = 4.75V to 5.25V, V IOUT_ = V QOUT_ = 0.59V P-P , C IOUT_ = C QOUT_ = 10pF, f FLCLK = 2MHz, R IOUT_ = R QOUT_ = 10k Ω,
V FDOUB = V INSEL = V CPG1 = V CPG2 = 2.4V, V PLLIN+ = V MOD+ = 1.3V, V PLLIN- = V MOD- = 1.1V, T A = +25°C. Typical values are at
V CC = 5.0V and T A = +25°C, unless otherwise noted.)
V CPG1 = V CPG2 = 0.5V
V CPG1 = 0.5V, V CPG2 = 2.4V
CONDITIONS
-0.12 -0.1 -0.08
Charge-Pump Output Low
Measured at FB -0.36 -0.3 -0.24
UNITS MIN TYP MAX SYMBOL PARAMETER
V CPG1 = 2.4V, V CPG2 = 0.5V
V CPG1 = V CPG2 = 2.4V
-0.72 -0.6 -0.48
mA
-2.16 -1.8 -1.44
V GC_ = 1V to 4V -50 +50 I GC_ Analog Control Input Current µA
Charge-Pump Output Current
Matching Positive to Negative
% Measured at FB -5 5
Charge-Pump Output Leakage nA Measured at FB -25 25
Offset Voltage (Note 1) mV
Differential Output Voltage
Swing
V P-P R L = 2k Ω differential 1
Common-Mode Output Voltage
(Note 1)
V 0.65 0.85
-50 +50
Charge-Pump Output Current
Drive (Note 1)
µA Measured at CP 100
ANALOG CONTROL INPUTS (GC_)
BASEBAND OUTPUTS (IOUT+, IOUT-, QOUT+, QOUT-)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
RF FRONT END
RFIN_ Input Frequency Range f RFIN 925 2175 MHz
V GC1 = V GC2 = +4V (min gain) -20 dBm RFIN_ Input Power for 0.59Vp-p
Baseband Levels Single
carrier
V
GC1
= V
GC2
= +1V (max gain) -68 -65 dBm
f LO = 2175MHz 5
f LO = 1550MHz 7
RFIN_ Input Third-Order Intercept
(Note 4)
IP3
RFIN_
PRFIN_ = -25dBm per
tone
f LO = 950MHz 8
dBm
RFIN_ Input Second-Order
Intercept (Note 5)
IP2 RFIN_
P RFIN_ = -25dBm per tone,
f LO = 951MHz
15.5 dBm
Output-Referred 1dB
Compression Point (Note 6)
P1 dBOUT_
P RFIN_ = -40dBm,
signals within filter bandwidth
2 dBV
Noise Figure NF
P RFIN_ = -65dBm, f RFIN_ = 1550MHz,
V GC1 = 1V, V GC2 adjusted 0.59Vp-p
baseband level
11.5 dB
f RFIN_ = 925MHz 10
RFIN_ Return Loss (Note 7)
f
RFIN_
= 2175MHz 10
dB
LO 2nd H ar moni c Rejection (N ote 8) Average level of V IOUT_ , V QOUT_ 27 dBc
LO H al f H ar m oni c Rej ecti on ( N ote 9) Average level of V IOUT_ , V QOUT_ 31 38 dBc