参数资料
型号: MAX2820ETM+T
厂商: Maxim Integrated
文件页数: 10/26页
文件大小: 0K
描述: IC TXRX 802.11B 2.4GHZ 48-TQFN
标准包装: 2,500
频率: 2.4GHz ~ 2.5GHz
数据传输率 - 最大: 11Mbps
调制或协议: 802.11 b
应用: ISM
功率 - 输出: 3dBm
灵敏度: -97dBm
电源电压: 2.5 V ~ 5.5 V
电流 - 接收: 80mA
电流 - 传输: 70mA
数据接口: PCB,表面贴装
天线连接器: PCB,表面贴装
工作温度: -40°C ~ 85°C
封装/外壳: 48-WFQFN 裸露焊盘
包装: 带卷 (TR)
2.4GHz 802.11b Zero-IF Transceivers
Typical Operating Characteristics (continued)
(MAX2820/MAX2821 EV kit, V CC = +2.7V, f BB = 1MHz, f LO = 2450MHz, receive baseband outputs = 500mV P-P , transmit baseband
inputs = 400mV P-P , I CP = +2mA, BW PLL = 45kHz, differential RF input/output matched to 50 ? through a balun, baseband input
biased at +1.2V, registers set to default power-up settings, T A = +25 ° C, unless otherwise noted.)
OPEN-LOOP PHASE NOISE
TRANSMITTER BASEBAND FILTER RESPONSE
10
2.65
LO FREQUENCY vs. TUNING VOLTAGE
-40
vs. OFFSET FREQUENCY
0
-10
-20
-30
-40
-50
f LO = 2450MHz
2.60
2.55
2.50
2.45
2.40
2.35
2.30
2.25
-40 ° C
+85 ° C
+25 ° C
-50
-60
-70
-80
-90
-100
-110
-120
-130
f LO = 2450MHz
MEASURED AT
TX OUTPUT
-60
0
10 20 30 40 50 60 70 80 90 100
2.20
0
0.5
1.0
1.5
2.0
2.5
-140
1
10
100
1000
FREQUENCY (MHz)
CLOSED-LOOP PHASE NOISE
vs. OFFSET FREQUENCY
-50
V TUNE (V)
50
OFFSET FREQUENCY (kHz)
VCO/PLL SETTING TIME
-60
-70
MAX2820/MAX2821
f LO = 2450MHz
BW LOOP = 45kHz
I CP = 2mA
φ INT = 2.1 ° RMS
40
30
20
BW LOOP = 45kHz
f LO = 2499MHz TO 2400MHz
-80
10
-90
-100
-110
-120
-130
MAX2820/MAX2821
("A" VERSION)
0
-10
-20
-30
-40
-50
100
1k
10k
100k
1M
0
40 80 120 160 200 240 280 320 360 400
OFFSET FREQUENCY (Hz)
TIME ( μ s)
10
______________________________________________________________________________________
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