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參數(shù)資料
| 型號(hào)： | MAX2055EUP-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 無(wú)繩電話/電話 |
| 英文描述： | Digitally Controlled, Variable-Gain, Differential ADC Driver/Amplifier |
| 中文描述： | TELECOM, CELLULAR, BASEBAND CIRCUIT, PDSO20 |
| 封裝： | 4.40 MM, MO-153AC, TSSOP-20 |
| 文件頁(yè)數(shù)： | 10/13頁(yè) |
| 文件大小： | 805K |
| 代理商： | MAX2055EUP-T |
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Detailed Description
The MAX2055 is a high-dynamic-range, digitally con-
trolled, variable-gain differential ADC driver/amplifier
(DVGA) for use in applications from 30MHz to 300MHz.
The amplifier is designed for 50
single-ended input
and 50
differential output systems.
The MAX2055 integrates a digital attenuator with a
23dB selectable attenuation range and a high-linearity,
single-ended-to-differential output amplifier. The attenu-
ator is digitally controlled through five logic lines:
B0
–
B4. The on-chip attenuator provides up to 23dB of
attenuation with ±0.2dB accuracy. The single-ended
input to differential output amplifier utilizes negative
feedback to achieve high gain and linearity over a wide
bandwidth.
Applications Information
Digitally Controlled Attenuator
The digital attenuator is controlled through five logic
lines: B0, B1, B2, B3, and B4. Table 3 lists the attenua-
tion settings. The input and output of this attenuator
require external DC blocking capacitors. The attenua-
tor
’
s insertion loss is approximately 2dB, when the con-
trol bits are set to 0dB (B0 = B1 = B2 = B3 = B4 = 0).
Single-Ended-to-Differential Amplifier
The MAX2055 integrates a single-ended-to-differential
amplifier with a nominal gain of 22dB in a negative
Digitally Controlled, Variable-Gain, Differential
ADC Driver/Amplifier
10
______________________________________________________________________________________
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
GND
ATTN
OUT
GND
I
SET
R
1
B4
GND
RF_IN
RF_IN
V
CC
V
CC
C
C
AMP
IN
L
E
C
BP
B0
B1
B2
B3
12
11
1
9
10
I
BIAS
RF_OUT+
RF_OUT
RF_OUT-
CONTROL
INPUTS
ATTENUATION
LOGIC
CONTROL
V
CC
V
CC
MAX2055
C
12
C
11
T
2
C
10
V
CC
C
9
L
5
L
4
C
8
C
5
C4
C
6
C
3
C
1
C
2
1
T
1
L
1
L
2
L
3
R
7
Figure 1. Typical Application Circuit
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX2055EUP-TD | 功能描述:射頻放大器 RoHS:否 制造商:Skyworks Solutions, Inc. 類型:Low Noise Amplifier 工作頻率:2.3 GHz to 2.8 GHz P1dB:18.5 dBm 輸出截獲點(diǎn):37.5 dBm 功率增益類型:32 dB 噪聲系數(shù):0.85 dB 工作電源電壓:5 V 電源電流:125 mA 測(cè)試頻率:2.6 GHz 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 封裝:Reel |
| MAX2055EVKIT | 功能描述:射頻放大器 RoHS:否 制造商:Skyworks Solutions, Inc. 類型:Low Noise Amplifier 工作頻率:2.3 GHz to 2.8 GHz P1dB:18.5 dBm 輸出截獲點(diǎn):37.5 dBm 功率增益類型:32 dB 噪聲系數(shù):0.85 dB 工作電源電壓:5 V 電源電流:125 mA 測(cè)試頻率:2.6 GHz 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 封裝:Reel |
| MAX2056 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Evaluation Kit |
| MAX2056_1 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Evaluation Kit |
| MAX2056ETX | 功能描述:射頻放大器 0.8GHz - 1GHz Variable-Gain Amp RoHS:否 制造商:Skyworks Solutions, Inc. 類型:Low Noise Amplifier 工作頻率:2.3 GHz to 2.8 GHz P1dB:18.5 dBm 輸出截獲點(diǎn):37.5 dBm 功率增益類型:32 dB 噪聲系數(shù):0.85 dB 工作電源電壓:5 V 電源電流:125 mA 測(cè)試頻率:2.6 GHz 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 封裝:Reel |
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