MAX2820ETM-T Maxim Integrated Products, MAX2820ETM-T Datasheet - Page 9

• Manufacturer Part Number: MAX2820ETM-T
• Description: RF Transceiver 2.4GHz 802.11b Zero-If Transceiver
• Manufacturer: Maxim Integrated Products

Specifications of MAX2820ETM-T

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

(MAX2820/MAX2821 EV kit, V
band inputs = 400mV
input biased at +1.2V, registers set to default power-up settings, T
-10
-20
-30
-40
-50
-60
-70
-80
-10
-20
-30
-40
-50
-60
-70
-80
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
10
0
0
0
RECEIVER BASEBAND OUTPUT SPECTRUM
2.7
0 0.8 1.6 2.4 3.2 4.0 4.8 5.6 6.4 7.2 8.0
0
-40°C
+25°C
+85°C
TRANSMITTER OUTPUT SPECTRUM
_______________________________________________________________________________________
5
TRANSMITTER OUTPUT POWER
P-P
10 15
, I
vs. SUPPLY VOLTAGE
CP
FREQUENCY (GHz)
FREQUENCY (MHz)
3.0
2.4GHz 802.11b Zero-IF Transceivers
20
CC
= +2mA, BW
V
-40°C ("A" VERSION)
+25°C ("A" VERSION)
+85°C ("A" VERSION)
CC
25 30
= +2.7V, f
(V)
CW SIGNAL
f
f
V
RX GAIN = 50dB
f
f
3.3
BB
LO
BB
LO
V
RF_GAIN
IN
35
= 3.3MHz
= 2450MHz
= 5MHz
= 2450MHz
V
11Mbps CCK
= 400mV
TX_GC
40
PLL
BB
= V
= 0V
45
IH
P-P
= 1MHz, f
= 45kHz, differential RF input/output matched to 50Ω through a balun, baseband
Typical Operating Characteristics (continued)
3.6
50
LO
= 2450MHz, receive baseband outputs = 500mV
A
= +25°C, unless otherwise noted.)
-10
-20
-30
-40
-50
-60
-70
-80
-90
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
-10
-15
-20
-25
-30
-35
-5
0
5
0
2400
-33
0
+25°C
-40°C ("A" VERSION)
+25°C ("A" VERSION)
+85°C ("A" VERSION)
TRANSMITTER OUTPUT SPECTRUM
0dB = MAX P
V
11Mbps CCK
FREQUENCY OFFSET FROM CARRIER (MHz)
IN
+85°C
-40°C
TRANSMITTER OUTPUT POWER
= 400mV
+25°C
-22
vs. GAIN-CONTROL VOLTAGE
2420
+85°C
0.5
TRANSMITTER GAIN
vs. FREQUENCY
-11
P-P
FREQUENCY (MHz)
OUT
2440
AT +25°C
V
TX_GC
1.0
0
-40°C
2460
(V)
("A" VERSION)
V
11
RBW = 100kHz
V
11Mbps CCK
P
IN
("A" VERSION)
IN
OUT
("A" VERSION)
11Mbps CCK
+25°C
V
= 400mV
1.5
= 400mV
TX_GC
2480
= -1dBm
-40°C
+85°C
22
= 0V
P-P
P-P
P-P
2500
, transmit base-
33
2.0
9