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參數(shù)資料
| 型號： | MAX2820EGM-TD |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 2.4GHz 802.11b Zero-IF Transceivers |
| 中文描述： | 基于2.4GHz 802.11b零IF收發(fā)器 |
| 文件頁數(shù)： | 5/23頁 |
| 文件大小： | 392K |
| 代理商： | MAX2820EGM-TD |
M
2.4GHz 802.11b Zero-IF Transceivers
_______________________________________________________________________________________
5
AC ELECTRICAL CHARACTERISTICS
—
TRANSMIT MODE (continued)
(MAX2820/MAX2821 EV kit: V
CC
= +2.7V to +3.6V, f
RF
and f
LO
= 2400MHz to 2499MHz, f
OSC
= 22MHz or 44MHz, transmit baseband
inputs = 400mV
P-P
, SHDNB = TX_ON = V
IH
, RX_ON = V
IL
, CSB = V
IH
, 0V
≤
V
TX_GC
≤
+2.0V, RBIAS = 12k
, I
CP
= +2mA, BW
PLL
=
45kHz, differential RF output matched to 50
through a balun, baseband input biased at +1.2V, registers set to default power-up set-
tings, T
A
= +25
°
C, unless otherwise noted. Typical values are at V
CC
= +2.7V, f
LO
= 2437MHz, f
OSC
= 22MHz, unless otherwise noted.)
AC ELECTRICAL CHARACTERISTICS
—
PA BIAS
(MAX2820/MAX2821 EV kit: V
CC
= +2.7V to +3.6V, SHDNB = V
IH
, TX_ON = V
IH
, CSB = V
IH
, PA_BIAS enabled, RBIAS = 12k
, regis-
ters set to default power-up settings, T
A
= +25
°
C, unless otherwise noted. Typical values are at V
CC
= +2.7V, unless otherwise noted.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
T
A
= +25
°
C
-1
+3
TX RF Output Power
V
IN
= 400mV
P P
at
5.5M H z,
V
TX _GC
= 0V
I/Q C W si g nal (N ote 7)
T
A
= -40
°
C to
+85
°
C
-2
dBm
-22MHz
≤
f
OFFSET
≤
-11MHz,
11MHz
≤
f
OFFSET
≤
22MHz
-37
TX RF ACPR (Note 8)
-33MHz
≤
f
OFFSET
< -22MHz,
22MHz < f
OFFSET
≤
33MHz
-59
dBc
Unwanted sideband
LO signal
Spurs >
±
22MHz
-40
-30
-80
-40
-55
-60
-43
-45
-135
15
In-Band Spurious Signals Relative to
Modulated Carrier
f
RF
= 2400MHz to
2483MHz
dBc
2
×
f
LO
3
×
f
LO
f
RF
< 2400MHz
f
RF
= 2500MHz to 3350MHz
f
RF
> 3350MHz
f
OFFSET
≥
22MHz, 0V
≤
V
TX_GC
≤
+2.0V
With external match
TX RF Harmonics
dBm
TX RF Spurious Signal Emissions
(Outside 2400MHz to 2483.5MHz)
Nonharmonic Signals
dBm
TX RF Output Noise
TX RF Output Return Loss
TX BASEBAND FILTER RESPONSE
-3dB Frequency
dBm/Hz
dB
10
25
50
MHz
At 22MHz
At 44MHz
Attenuation Relative to Passband
dB
TX GAIN-CONTROL CHARACTERISTICS
Gain-Control Range
Gain-Control Slope
Gain-Control Response Time
0V
≤
V
TX_GC
≤
+2.0V
Peak gain slope
V
TX_GC
= +2.0V to 0V step
30
40
0.3
dB
dB/V
μs
PARAMETER
CONDITIONS
MIN
TYP
4
300
20
1.2
MAX
UNITS
Bits
μA
μA
V
Resolution
Full-Scale Output Current
LSB Size
Output Voltage Compliance Range
(Note 11)
1.0
1.3
Settling Time
Relative to rising edge of CSB, zero to full-
scale step 0000
→
1111, settle to 1/2 LSB,
2pF load
1
μs
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| MAX2820ETM | 功能描述:射頻接收器 2.4GHz 802.11b Zero-If Transceiver RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
| MAX2820ETM+ | 功能描述:射頻接收器 2.4GHz 802.11b Zero-If Transceiver RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
| MAX2820ETM+D | 功能描述:射頻接收器 RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
| MAX2820ETM+T | 功能描述:射頻接收器 2.4GHz 802.11b Zero-If Transceiver RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
| MAX2820ETM+TD | 功能描述:射頻接收器 RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
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