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參數(shù)資料
| 型號： | MAX2440EAI |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | 900MHz Image-Reject Receivers |
| 中文描述： | TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PDSO28 |
| 封裝： | 5.30 MM, 6.50 MM PITCH, SSOP-28 |
| 文件頁數(shù)： | 4/12頁 |
| 文件大?。?/td> | 107K |
| 代理商： | MAX2440EAI |
M
900MHz Image-Rejec t Rec eivers
4
_______________________________________________________________________________________
AC ELECTRICAL CHARACTERISTICS (continued)
(MAX242X/MAX246X EV kit, V
CC
= +3.3V; f
LO
= 925.7MHz (MAX2440), f
LO
= 961MHz (MAX2441), f
LO
= 985MHz (MAX2442),
f
RXIN
= 915MHz; P
RXIN
= -35dBm; V
LNAGAIN
= 2V; V
VCOON
= V
RXON
= 2.4V; RXON = MOD = DIV1 = PREGND = GND; T
A
= +25°C;
unless otherwise noted.)
PARAMETER
CONDITIONS
OSCILLATOR AND PRESCALER
Oscillator Phase Noise
Oscillator Frequency Range
690
1100
MHz
82
8
dBc/Hz
(Notes 4, 9)
10kHz offset (Note 10)
Standby to RX
Note 4:
Note 5:
Note 6:
Guaranteed by design and characterization.
Image rejection typically falls to 30dBc at the frequency extremes.
Refer to the
Typical Operating Characteristics for plots showing receiver gain versus LNAGAIN voltage, input IP3 versus
LNAGAIN voltage, and noise figure versus LNAGAIN voltage.
Two tones at P
RXIN
= -45dBm each, f1 = 915.0MHz and f2 = 915.2MHz.
Time delay from RXON = 0.45V to RXON = 2.4V transition to the time the output envelope reaches 90% of its final value.
Refers to useable operating range. Tuning range of any given tank circuit design is typically much narrower (refer to Figure 1).
Note 10:
Using tank components shown in Figure 1.
Note 11:
This approximates a typical application in which a transmitter is followed by an external PA and a T/R switch with finite
isolation.
Note 12:
Relative to the rising edge of PREOUT.
Note 7:
Note 8:
Note 9:
Prescaler Output Level
500
-8
mVp-p
-11
-12
Required Modulus Setup Time
10
ns
Z
L
= 100k
||
10pF
DIV1 = 2.4V, Z
L
= 50
(Note 4)
Divide-by-64/65 mode (Notes 4, 12)
Required Modulus Hold Time
0
ns
Divide-by-64/65 mode (Notes 4, 12)
Standby mode with P
RXIN
= -45dBm to
P
RXIN
= 0dBm (Note 11)
70
Oscillator Buffer Output Level
dBm
Oscillator Pulling
kHz
MIN
TYP
MAX
UNITS
T
A
= T
MIN
to T
MAX
T
A
= +25°C
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| MAX2440EAI+ | 功能描述:射頻接收器 Integrated Circuits (ICs) 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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