MAX2308EGI Maxim Integrated Products, MAX2308EGI Datasheet - Page 5

• Manufacturer Part Number: MAX2308EGI
• Description: Modulator / Demodulator CDMA IF VGAs and I-Q Demodulators with V
• Manufacturer: Maxim Integrated Products

Specifications of MAX2308EGI

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(MAX2306/MAX2308/MAX2309 EV kits, V
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
35.00
32.50
30.00
27.50
25.00
22.50
20.00
55
50
45
40
35
30
25
20
15
70
60
50
40
30
20
10
60
0
2.5
-40
0
V
-30
GC
3.0
= 2.5V
RECEIVE SUPPLY CURRENT
GAIN vs. INPUT FREQUENCY
-20 -10 0
100
NOISE FIGURE vs. GAIN
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
3.5
FREQUENCY (MHz)
200
_______________________________________________________________________________________
GAIN (dB)
T
T
T
10 20
A
A
A
4.0
= +85°C
= +25°C
= -40°C
300
30
4.5
CDMA IF VGAs and I/Q Demodulators
40
400
5.0
50
60
5.5
500
70
CC
A
= +25°C, unless otherwise noted.)
= +2.75V, registers set to default power-up states, f
0.014
0.012
0.010
0.008
0.006
0.004
0.002
60.0
59.5
59.0
58.5
58.0
57.5
57.0
56.5
56.0
7.4
7.2
7.0
6.8
6.6
6.4
6.2
6.0
0
2.0
-40
0
GAIN = 50dB
RECEIVE SHUTDOWN CURRENT vs.
T
NOISE FIGURE vs. TEMPERATURE
GAIN vs. BASEBAND FREQUENCY
A
2
2.5
-20
= +25°C
4
with VCO and Synthesizer
3.0
SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
0
6
T
TEMPERATURE (°C)
FREQUENCY (MHz)
A
= +85°C
3.5
T
8
20
A
= -40°C
10
4.0
Typical Operating Characteristics
40
12 14 16 18 20
4.5
60
5.0
80
5.5
100
-10
-20
-30
-40
-50
-60
-20
-40
-60
-80
10
80
60
40
20
0
0
-60
0.5
T
A
IN
= -40°C
T
-40
A
= 183.7MHz, f
= +25°C
1.0
VCO VOLTAGE vs. TIME
THIRD-ORDER INPUT
INTERCEPT vs. GAIN
-20
T
A
= +25°C
GAIN vs. V
T
T
A
1.5
A
= -40°C
GAIN (dB)
500µs/div
= +85°C
0
V
GC
(V)
20
2.0
REF
GC
LOCK TIME
40
T
A
1.83ms
= 19.2MHz,
MAX2306/8/9 toc09
= +85°C
2.5
60
3.0
80
SHDN
VCO
VOLTAGE
1V/div
LOCK
5