MAX2850ITK+ Maxim Integrated Products, MAX2850ITK+ Datasheet - Page 9

• Manufacturer Part Number: MAX2850ITK+
• Description: RF Transmitter 5GHz, 4-Ch MIMO Tran smitter WLAN 802.11a
• Manufacturer: Maxim Integrated Products

Specifications of MAX2850ITK+

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

(V
balun, T
CC
141
140
139
138
137
136
135
134
133
132
-15
-20
-25
-30
-35
-40
71
70
69
68
67
66
65
64
63
62
= 2.8V, f
2.6
-90
4.9
A
LNA = MAX = -16dB
LNA = MAX = -8dB
2.7
(CHANNEL BANDWIDTH = 20MHz)
= +25NC, using the MAX2850 Evaluation Kit.)
TEMPERATURE AND FREQUENCY
LNA = MAX = -24dB
Rx MODE SUPPLY CURRENT
2.8 2.9 3.0 3.1
Rx EVM vs. INPUT POWER
-70
5.1
LO
Rx MAXIMUM GAIN vs.
T
SUPPLY VOLTAGE (V)
LNA = MAX
A
INPUT POWER (dBm)
= 5.35GHz, f
= -20°C
FREQUENCY (GHz)
T
A
-50
_______________________________________________________________________________________
5.3
= +85°C
T
T
A
A
= +25°C
3.2 3.3
= +85°C
LNA = MAX = -40dB
5.5
-30
LNA = MAX = -32dB
T
A
REF
= +25°C
T
A
= -20°C
3.4
5.7
-10
= 40MHz, CS = high, SCLK = DIN = low, RF BW = 20MHz, Tx output at 50I unbalanced output of
5GHz, 4-Channel MIMO Transmitter
3.5
3.6
5.9
10
-10
45
40
35
30
25
20
15
10
80
70
60
50
40
30
20
10
12
10
5
0
0
8
6
4
2
0
-30
0
0
LNA = MAX - 16dB
SETTINGS (BALUN INPUT REFERRED)
1 2
Rx GAIN vs. BASEBAND VGA GAIN
3/5/7/9/11/13/15
Rx NOISE FIGURE vs. VGA GAIN
Rx BASEBAND OUTPUT LEVEL (dBV
2
LNA = MAX - 24dB
VGA GAIN =
-25
Rx EVM vs. Rx BASEBAND
3 4 5 6 7 8 9
BASEBAND VGA GAIN CODE
4
LNA = MAX - 8dB
VGA GAIN = 0
Rx VGA GAIN SETTINGS
VGA GAIN = 2/4/6/8/10/12/14
-20
OUTPUT LEVEL
6
LNA = MAX - 32dB
-15
8
Typical Operating Characteristics
10
LNA = MAX - 40dB
10 11
-10
LNA = MAX
MAX - 40dB
MAX - 32dB
MAX - 24dB
MAX - 16dB
MAX - 8dB
12
12
MAX
-5
rms
13
14
)
14 15
16
0
0.60
0.55
0.50
0.45
0.40
0.35
0.30
0.25
0.20
80
70
60
50
40
30
20
14
12
10
8
6
4
2
0
-40
4.9
20MHz AND 40MHz OFFSET FREQUENCY
0
Rx EVM vs. OFDM JAMMER POWER AT
Rx MAXIMUM GAIN vs. FREQUENCY
Rx OUTPUT V
WITH WANTED SIGNAL AT -66dBm
T
-35
A
2
= -20°C
-30
5.1
BASEBAND VGA GAIN CODE
T
A
4
20MHz OFFSET
-25
INPUT POWER (dBm)
= +25°C
FREQUENCY (GHz)
5.3
-20
6
1dB
LNA = MAX GAIN
LNA = MAX - 8dB
LNA = MAX - 16dB
LNA = MAX - 24dB
LNA = MAX - 32dB
LNA = MAX - 40dB
-15
vs. GAIN SETTING
8
5.5
-10
T
10
A
40MHz OFFSET
-5
= +85°C
5.7
12
0
5
14
5.9
10
9