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MAX2034

更新时间： 2024-01-29 06:23:13
品牌 Logo 应用领域
美信 - MAXIM 放大器
页数 文件大小 规格书
13页 345K
描述
Quad-Channel, Ultra-Low-Noise Amplifier with Digitally Programmable Input Impedance

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MAX2034 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：QFN
包装说明：7 X 7 MM, 0.80 MM HEIGHT, MO-220, TQFN-48针数：48
Reach Compliance Code：not_compliantHTS代码：8542.39.00.01
风险等级：5.88Is Samacsys：N
商用集成电路类型：CONSUMER CIRCUITJESD-30 代码：S-XQCC-N48
长度：7 mm湿度敏感等级：1
功能数量：1端子数量：48
最高工作温度：70 °C最低工作温度：
封装主体材料：UNSPECIFIED封装代码：HVQCCN
封装形状：SQUARE封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：225认证状态：Not Qualified
座面最大高度：0.8 mm最大供电电压 (Vsup)：5.25 V
最小供电电压 (Vsup)：4.75 V表面贴装：YES
温度等级：COMMERCIAL端子形式：NO LEAD
端子节距：0.5 mm端子位置：QUAD
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：7 mm
Base Number Matches：1

MAX2034 数据手册

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19-3969; Rev 1; 3/07  
Quad-Channel, Ultra-Low-Noise Amplifier with  
Digitally Programmable Input Impedance  
General Description  
Features  
♦ High-Level Integration of 4 Channels  
The MAX2034 four-channel, low-power, ultra-low-noise  
preamplifier is designed for ultrasound and medical  
instrumentation applications. Each low-noise amplifier  
has a single-ended input, differential output, a highly  
accurate 19dB fixed gain, and a wide -3dB bandwidth  
of 70MHz. The high-gain accuracy of the amplifier  
allows for exceptional channel-to-channel gain match-  
ing, which is necessary for high-performance ultra-  
sound-imaging applications. The MAX2034 also  
includes an on-chip programmable input impedance  
feature that allows the device to be compatible with a  
variety of common source impedances ranging from  
50Ω to 1kΩ. The input impedance of each amplifier  
uses a feedback topology for active impedance match-  
ing. The active input impedance matching feature  
achieves an exceptionally low 2.2dB noise figure with a  
source and input impedance of 200Ω.  
♦ Digitally Programmable Input Impedance (R ) of  
50Ω, 100Ω, 200Ω, and 1kΩ  
♦ Integrated Input Clamp  
IN  
♦ Integrated Input-Damping Capacitor  
♦ Ultra-Low 2.2dB Noise Figure at R = R = 200Ω  
S
IN  
♦ 70MHz, -3dB Bandwidth  
♦ Low 58mW/Channel Power Dissipation  
♦ HD2 of -68dBc at V = 1V and f = 5MHz for  
OUT  
P-P  
IN  
Exceptional Second Harmonic Imaging  
Performance  
♦ Two-Tone Ultrasound-Specific* IMD3 of -55dBc at  
V
= 1V  
and f = 5MHz for Exceptional  
P-P IN  
OUT  
PW/CW Doppler Performance  
♦ Quick Large-Signal Overload Recovery  
♦ Single +5V Supply Operation  
♦ Sleep Mode  
The MAX2034 has excellent dynamic and linearity per-  
formance characteristics optimized for all ultrasound-  
imaging modalities including second harmonic 2D  
imaging and continuous wave Doppler. The device  
achieves a second harmonic distortion of -68dBc at  
Applications  
Ultrasound Imaging  
V
OUT  
= 1V and f = 5MHz, and an ultrasound-spe-  
P-P IN  
Sonar Signal Amplification  
cific* two-tone third-order intermodulation distortion per-  
formance of -55dBc at V = 1V and f = 5MHz.  
OUT  
P-P  
IN  
The MAX2034 is also optimized for quick overload  
recovery for operation under the large input signal con-  
ditions typically found in ultrasound input-buffer imag-  
ing applications.  
Pin Configuration  
TOP VIEW  
The MAX2034 is available in a 48-pin thin QFN pack-  
age with an exposed paddle. Electrical performance is  
guaranteed over a 0°C to +70°C temperature range.  
35 34 33 32 31 30 29 28 27  
36  
26  
25  
OUT4+  
OUT4-  
GND  
37  
38  
24  
23  
V
CC  
Ordering Information  
22 GND  
21 GND  
GND 39  
GND 40  
TEMP  
PIN-  
PKG  
PART  
20  
V
CC  
V
41  
42  
RANGE  
PACKAGE  
CODE  
CC  
D2  
19 D0  
18 D1  
48 Thin QFN-EP**  
(7mm x 7mm)  
MAX2034CTM+ 0°C to +70°C  
MAX2034CTM 0°C to +70°C  
T4877-4  
T4877-4  
T4877-4  
T4877-4  
MAX2034  
PD 43  
17  
16  
15  
V
CC  
V
CC  
V
44  
45  
46  
47  
48  
CC  
CC  
48 Thin QFN-EP**  
(7mm x 7mm)  
V
GND  
GND  
ZF1  
IN1  
48 Thin QFN-EP**  
(7mm x 7mm)  
14 INB4  
13  
MAX2034CTM+T 0°C to +70°C  
MAX2034CTM-T 0°C to +70°C  
INC4  
48 Thin QFN-EP**  
(7mm x 7mm)  
2
3
4
5
6
7
8
9
10  
1
11  
12  
**EP = Exposed paddle.  
+Denotes lead-free package.  
T = Tape-and-reel package.  
THIN QFN  
*See the Ultrasound-Specific IMD3 Specification in the  
Applications Information section.  
Typical Application Circuit appears at end of data sheet.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
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