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參數(shù)資料
| 型號： | MAX2055 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 18-Bit Universal Bus Transceivers With 3-State Outputs 56-SSOP -40 to 85 |
| 中文描述： | 數(shù)字控制、可變增益、差分ADC驅動器/放大器 |
| 文件頁數(shù)： | 10/13頁 |
| 文件大?。?/td> | 805K |
| 代理商： | MAX2055 |
M
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
相關PDF資料 |
PDF描述 |
|---|---|
| MAX2055EUP | RELIABILITY REPORT FOR MAX2055EUP PLASTIC ENCAPSULATED DEVICES |
| MAX2055EUP-T | Digitally Controlled, Variable-Gain, Differential ADC Driver/Amplifier |
| MAX2056 | 800MHz to 1000MHz Variable-Gain Amplifier with Analog Gain Control |
| MAX2056ETX-T | 800MHz to 1000MHz Variable-Gain Amplifier with Analog Gain Control |
| MAX2056ETX | 800MHz to 1000MHz Variable-Gain Amplifier with Analog Gain Control |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX2055_1 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Evaluation Kit |
| MAX2055EUP | 制造商:Maxim Integrated Products 功能描述:DIGITALLY CONTROLLED, VARIABLE-GAIN, DIFFEREN - Bulk |
| MAX2055EUP+ | 制造商:Maxim Integrated Products 功能描述:ADC DRVR/AMP 20TSSOP EP - Rail/Tube |
| MAX2055EUP+D | 功能描述:射頻混合器 Variable-Gain Diff ADC Driver/Amp RoHS:否 制造商:NXP Semiconductors 頻率范圍: 轉換損失——最大: 工作電源電壓:6 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| MAX2055EUP+T | 制造商:Maxim Integrated Products 功能描述:ADC DRVR/AMP 20TSSOP EP - Tape and Reel |
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