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| 型号： | MAX2056ETX+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 3/12页 |
| 文件大小： | 0K |
| 描述： | IC AMP VARIABLE GAIN 36-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 频率： | 800MHz ~ 1GHz |
| P1dB： | 23.5dBm（223.9mW） |
| 增益： | 15.5dB |
| 噪音数据： | 4.5dB |
| RF 型： | 手机，ATE，GSM，EDGE，ISM，W-CDMA，802.16/WiMax，CDMA2000 |
| 电源电压： | 4.75 V ~ 5.25 V |
| 电流 - 电源： | 136mA ~ 167mA |
| 测试频率： | 900MHz |
| 封装/外壳： | 36-WFQFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
800MHz to 1000MHz Variable-Gain
Amplifier with Analog Gain Control
AC ELECTRICAL CHARACTERISTICS (continued)
(Typical Operating Circuit with one attenuator connected, V CC = +4.75V to +5.25V, T A = -40°C to +85°C, unless otherwise noted.
Typical values are at V CC = +5.0V, R1 = 1.2k ? , R2 = 3.92k ? , P OUT = +5dBm, f IN = 900MHz, V CNTL = 1V, 50 ? system impedance,
second attenuator is not connected, T A = +25°C, unless otherwise noted.) (Note 3)
PARAMETER
Output 3rd-Order Intercept Point
Variation Over Temperature
2nd Harmonic
3rd Harmonic
CONDITIONS
T A = +25°C to +85°C
T A = +25°C to -40°C
From maximum gain to 15dB attenuation, P OUT =
+5dBm
From maximum gain to 15dB attenuation, P OUT =
+5dBm
MIN
TYP
-0.46
+1.35
-55
-68
MAX
UNITS
dB
dBc
dBc
RF Gain-Control Range
f RF = 800MHz to 1000MHz,
V CNTL = 1V to 4.5V
One attenuator
Two attenuators
18.3
36.6
22.3
44.6
dB
RF Gain-Control Slope
-10.7
dB/V
Maximum RF Gain-Control Slope
Gain Flatness Over 100MHz Bandwidth
Attenuator Switching Time
Attenuator Insertion Loss
Input Return Loss
Output Return Loss
Group Delay
Group Delay Flatness Over 100MHz
Bandwidth
Group Delay Change vs. Gain Control
Insertion Phase Change vs. Gain Control
Maximum slope vs. gain-control voltage
Peak-to-peak for all settings
15dB attenuation change (Note 6)
Second attenuator (IN_A, OUT_A)
Entire band, all gain settings
Entire band, all gain settings
Input/output 50 ? lines de-embedded
Peak to peak
V CNTL = 1V to 4V
V CNTL = 1V to 4V
-17.2
0.15
500
1.7
15
15
600
100
100
20
dB/V
dB
ns
dB
dB
dB
ps
ps
ps
degrees
Note 1: Total supply current reduces as R1 and R2 are increased.
Note 2: Operating outside this range for extended periods may affect device reliability. Limit pin input current to 40mA when V CC is
not present.
Note 3: All limits include external component losses, unless otherwise noted.
Note 4: Noise figure increases by approximately 1dB for every 1dB of gain reduction.
Note 5: f 1 = 900MHz, f 2 = 901MHz, +5dBm/tone at OUT.
Note 6: Switching time is measured from 50% of the control signal to when the RF output settles to ±1dB.
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