MAX2831ETM+T Maxim Integrated Products, MAX2831ETM+T Datasheet - Page 16

• Manufacturer Part Number: MAX2831ETM+T
• Description: RF Transceiver 2.4GHz to 2.5GHz, 80 2.11g RF Transceiver
• Manufacturer: Maxim Integrated Products

Specifications of MAX2831ETM+T

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

2.4GHz to 2.5GHz 802.11g/b
RF Transceivers with Integrated PA
(MAX2831 EV kit, V
SCLK = DIN = low.)
16
-300mV
300mV
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
______________________________________________________________________________________
0
1V
0V
0
POWER DETECTOR OVER FREQUENCY
20dB GAIN STEP
2
POWER-DETECTOR OUTPUT
4
6
OUTPUT POWER (dBm)
CC_
8 10 12 14 16 18 20 22
-10
-15
-20
-25
-30
f
RF
100ns/div
= 2.5GHz
2300
= 2.8V, V
f
RF
= 2.4GHz
POWER DETECTOR
2350
PA OUTPUT RETURN LOSS
PA ENVELOPE
vs. RF FREQUENCY
RF FREQUENCY (MHz)
CCPA
2400
2450
= V
CCTXPA
2500
-20dBm
20dBm
-50mV
50mV
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
2550
0
Typical Operating Characteristics (continued)
= 3.3V, T
POWER DETECTOR OVER SUPPLY VOLTAGE
0
0
PA OUTPUT ENVELOPE RESPONSE
2600
2
4
A
6
= +25°C, f
OUTPUT POWER (dBm)
V
8 10 12 14 16 18 20 22
CCPA
PA ENVELOPE
1µs/div
= 2.7V, 3.0V
LO
V
CCPA
TX I/Q INPUT
= 2.437GHz, f
= 3.3V, 4.2V
-10
-20
-30
-40
-50
-60
-70
-80
-90
10
0
DC
REF
Tx OUTPUT SPURS
= 40MHz, SHDN = CS = high, RXHP =
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
12
10
0
8
6
4
2
0
POWER DETECTOR OVER TEMPERATURE
0
FOR 1.1V POWER DETECTOR OUTPUT
PA OUTPUT POWER HISTORGRAM
2
4
RBW = 1MHz
802.11g SIGNAL
6
MAX2831/32 toc52
8 10 12 14 16 18 20 22
T
P
A
OUT
0.1dB/div
26.5GHz
= +85°C
(dBm)
MEAN = 18.5dBm
T
A
+25°C
= -40°C,