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MAX2306ETI+

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20
MAX2306/MAX2308/MAX2309
CDMA IF VGAs and I/Q Demodulators
with VCO and Synthesizer
4 _______________________________________________________________________________________
AC ELECTRICAL CHARACTERISTICS (continued)
(MAX2306/MAX2308/MAX2309 EV kit, V
CC
= +2.75V, registers set to default power-up states except M1 = M2 = 306, R1 = R2 = 16,
f
IN
= 183.7MHz, f
REF
= 19.2MHz, 0.6Vp-p synthesizer locked with passive 3rd-order lead-lag loop filter, SHDN = high, VGC set for
+35dB voltage gain, differential output load = 10kΩ, all power levels referred to 50Ω, T
A
= +25°C, unless otherwise noted.)
Note 1: FM_IQ and FM_I modes are not available on MAX2309.
Note 2: Recommended operating frequency range. Contact factory for operating frequency outside this range.
Note 3: f
1
= 183.7MHz, f
2
= 183.71MHz, P
f1
= P
f2
= -15dBm.
Note 4: f
1
= 183.7MHz, f
2
= 183.71MHz, P
f1
= P
f2
= -50dBm.
Note 5: Guaranteed by design.
Note 6: Small-signal gain at 200kHz below the LO frequency will be reduced by less than 0.25dB when an interfering signal at
1.25MHz below the LO frequency is applied at the specified level.
Note 7: f
1
= 183.7MHz, f
2
= 183.71MHz, P
f1
= P
f2
= -23dBm.
Note 8: f
1
= 183.7MHz, f
2
= 183.71MHz, P
f1
= P
f2
= -55dBm.
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
UNITS
REF Maximum Divide Ratio
R1, R2 2047
Minimum Phase Detector
Comparison Frequency
(Note 5) 20 kHz
Maximum Phase Detector
Comparison Frequency
(Note 5)
1500
kHz
1kHz offset, T
A
= -40°C to +85°C
-79.6
12.5kHz offset, T
A
= -40°C to +85°C
-94.6
30kHz offset, T
A
= -40°C to +85°C
-105
120kHz offset, T
A
= -40°C to +85°C
-115.3
Phase Noise
900kHz offset, T
A
= -40°C to +85°C
-125
dBc/Hz
TURBO LOCK
Acquisition, CPX = XX, TC =1
1480 2100 2650
Locked, CPX = 00
105
150
190
Locked, CPX = 01
150
210
265
Locked, CPX = 10
210
300
380
Charge-Pump Source/Sink
Current
Locked, CPX = 11
300
425
530
µA
Charge-Pump Source/Sink
Matching
Locked, all values of CPX,
0.5V < V
CP
< V
CC
- 0.5V
0.2 10 %
MAX2306/MAX2308/MAX2309
CDMA IF VGAs and I/Q Demodulators
with VCO and Synthesizer
_______________________________________________________________________________________ 5
20.00
25.00
22.50
30.00
27.50
32.50
35.00
2.5 3.5 4.03.0 4.5 5.0 5.5
RECEIVE SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX2306/8/9 toc01
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
0
0.004
0.002
0.008
0.006
0.012
0.010
0.014
2.0 3.0 3.52.5 4.0 4.5 5.0 5.5
RECEIVE SHUTDOWN CURRENT vs.
SUPPLY VOLTAGE
MAX2306/8/9 toc02
SUPPLY VOLTAGE (V)
SHUTDOWN CURRENT (mA)
T
A
= -40°C
T
A
= +25°C
T
A
= +85°C
-80
-60
-40
-20
0
20
40
60
80
0.5 1.0 1.5 2.0 2.5 3.0
GAIN vs. V
GC
MAX2306/8/9 toc03
V
GC
(V)
GAIN (dB)
T
A
= +25°C
T
A
= -40°C
T
A
= +85°C
15
25
20
35
30
40
45
55
50
60
0 100 200 300 400 500
GAIN vs. INPUT FREQUENCY
MAX2306/8/9 toc04
FREQUENCY (MHz)
GAIN (dB)
V
GC
= 2.5V
56.0
57.0
56.5
57.5
59.0
59.5
58.5
58.0
60.0
0 468102 1214161820
GAIN vs. BASEBAND FREQUENCY
MAX2306/8/9 toc05
FREQUENCY (MHz)
RELATIVE GAIN (dB)
-60
-40
-50
-20
-30
0
-10
10
-60 -20 0-40 20406080
THIRD-ORDER INPUT
INTERCEPT vs. GAIN
MAX2306/8/9 toc06
GAIN (dB)
IIP3 (dBm)
T
A
= -40°C
T
A
= +85°C
T
A
= +25°C
0
60
20
10
30
40
50
70
-40 -20 -10 0-30 10 20 5040 6030 70
NOISE FIGURE vs. GAIN
MAX2306/8/9 toc07
GAIN (dB)
NF (dB)
6.0
6.4
6.2
6.8
6.6
7.2
7.0
7.4
-40 0 20-20 406080100
NOISE FIGURE vs. TEMPERATURE
MAX2306/8/9 toc08
TEMPERATURE (°C)
NF (dB)
GAIN = 50dB
LOCK
VCO
VOLTAGE
VCO VOLTAGE vs. TIME
MAX2306/8/9 toc09
500µs/div
SHDN
LOCK TIME
1.83ms
1V/div
Typical Operating Characteristics
(MAX2306/MAX2308/MAX2309 EV kits, V
CC
= +2.75V, registers set to default power-up states, f
IN
= 183.7MHz, f
REF
= 19.2MHz,
synthesizer locked with passive 3rd-order lead-lag loop filter, SHDN = high, VGC set for +35dB voltage gain, differential output load
= 10kΩ, all power levels referred to 50Ω, T
A
= +25°C, unless otherwise noted.)
MAX2306/MAX2308/MAX2309
CDMA IF VGAs and I/Q Demodulators
with VCO and Synthesizer
6 _______________________________________________________________________________________
500
1100
900
700
1300
1500
1700
1900
2100
2300
2500
0 200100 300 400 500 600
IF PORT PARALLEL RESISTANCE
vs. FREQUENCY
MAX2306/8/9 toc10
FREQUENCY (MHz)
EQUIVALENT PARELLEL RESISTANCE (Ω)
MEASURED DIFFERENTIALLY
CDMA PORT
FM PORT
MAX2306/8/9 toc12
-400
-380
-340
-360
-280
-260
-300
-320
-240
EQUIVALENT PARELLEL RESISTANCE (Ω)
80 240 320160 400 480 560
FREQUENCY (MHz)
TANK PORT PARALLEL RESISTANCE
vs. FREQUENCY
TANKH
TANKL
MEASURED DIFFERENTIALLY
0
0.2
0.1
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
MAX2306/8/9 toc13
FREQUENCY (MHz)
EQUIVALENT PARELLEL CAPACITANCE (pF)
80 160 240 320 400 400 560
TANK PORT PARALLEL CAPACITANCE
vs. FREQUENCY
TANK
TANKL
MEASURED DIFFERENTIALLY
Typical Operating Characteristics (continued)
(MAX2306/MAX2308/MAX2309 EV kits, V
CC
= +2.75V, registers set to default power-up states, f
IN
= 183.7MHz, f
REF
= 19.2MHz,
synthesizer locked with passive 3rd-order lead-lag loop filter, SHDN = high, VGC set for +35dB voltage gain, differential output load
= 10kΩ, all power levels referred to 50Ω, T
A
= +25°C, unless otherwise noted.)
LOOUT PORT
S11 vs. FREQUENCY
MAX2310 toc14
START: 10MHz
STOP: 600MHz
0.5
0.7
0.6
0.9
0.8
1.1
1.0
1.2
0 200 300100 400 500 600
MAX2306/8/9 toc11
FREQUENCY (MHz)
EQUIVALENT PARELLEL CAPACITANCE (pF)
IF PORT PARALLEL CAPACITANCE
vs. FREQUENCY
CDMA PORT
FM PORT
MEASURED DIFFERENTIALLY
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20

MAX2306ETI+

Mfr. #:
Buy MAX2306ETI+
Manufacturer:
Maxim Integrated
Description:
Modulator / Demodulator CDMA If VGAs & I/Q Demodulator w/VCO
Lifecycle:
New from this manufacturer.
Delivery:
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