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General Description
The MAX1426 10-bit, monolithic analog-to-digital con-
verter (ADC) is capable of a 10Msps sampling rate. This
device features an internal track-and-hold (T/H) amplifier
for excellent dynamic performance; at the same time, it
minimizes the number of external components. Low
input capacitance of only 8pF minimizes input drive
requirements. A wide input bandwidth (up to 150MHz)
makes this device suitable for digital RF/IF downconvert-
er applications employing undersampling techniques.
The MAX1426 employs a differential pipelined architec-
ture with a wideband T/H amplifier to maximize through-
put while limiting power consumption to only 156mW.
The MAX1426 generates an internal +2.5V reference
that supplies three additional reference voltages
(+3.25V, +2.25V, and +1.25V). These reference volt-
ages provide a differential input range of +2V to -2V.
The analog inputs are biased internally to correct the
DC level, eliminating the need for external biasing on
AC-coupled applications.
A separate +3V digital logic supply input allows for
separation of digital and analog circuitry. The output
data is in two’s complement format. The MAX1426 is
available in the space-saving 28-pin SSOP package.
For a pin-compatible version at a higher data rate, refer
to the MAX1424 or MAX1425
Applications
Medical Ultrasound Imaging
CCD Pixel Processing
IR Focal Plane Array
Radar
IF and Baseband Digitization
Set-Top Boxes
Features
o Differential Inputs for High Common-Mode
Noise Rejection
o 61dB Signal-to-Noise Ratio (at fIN = 2MHz)
o Internal +2.5V Reference
o 150MHz Input Bandwidth
o Wide ±2V Input Range
o Low Power Consumption: 156mW
o Separate Digital Supply Input for 3V Logic
Compatibility
o Single +5V Operation Possible
MAX1426
10-Bit, 10Msps ADC
________________________________________________________________
Maxim Integrated Products
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1
2
3
4
5
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7
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10
11
12
13
14
D0
D1
D2
D3
D4
DGND
D9
DVDD
DGND
DVDD
D5
D6
D7
D8
OE/PD
CLK
CMLN
CMLP
INN
INP
AVDD
AGND
CML
REFN
REFIN
REFP
AVDD
AGND
SSOP
TOP VIEW
MAX1426
+
CLK
INP
INTERFACE
PIPELINE ADC
REF SYSTEM +
BIAS
OUTPUT
DRIVERS
REF
REFIN REFP
CML REFN
OE/PD
AVDD
AGND
DVDD
DGND
D9–D0
INN
T/H
MAX1426
Functional Diagram
19-1598 Rev 1; 7/11
PART
MAX1426CAI+
MAX1426EAI+
-40°C to +85°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
28 SSOP
Pin Configuration
Ordering Information
+
Denotes a lead(Pb)-free/RoHS-compliant package.
Devices are also available in a tape-and-reel package.
Specify tape and reel by adding “T” to the number when order-
ing.
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
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相关代理商/技术参数
MAX1426EAI-T 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
MAX1427ETN+ 制造商:Maxim from Components Direct 功能描述:THE MAXIM MAX1427ETN+ IS AN ANALOG TO DIGITAL CONVERTER. - Rail/Tube 制造商:Maxim Integrated Products 功能描述:- Rail/Tube 制造商:Maxim 功能描述:Maxim MAX1427ETN+, 15bit Analog-to-Digital Converter 5V 80Msps -79.dBFS 56-pin TQFN
MAX1427ETN+TD 制造商:Maxim Integrated Products 功能描述:- Tape and Reel
MAX1427ETN-D 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
MAX1427ETN-TD 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
MAX1427EVKIT 功能描述:数据转换 IC 开发工具 RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V
MAX1428ETN+ 制造商:Maxim Integrated Products 功能描述:- Rail/Tube
MAX1428ETN+TD 制造商:Maxim Integrated Products 功能描述:ADC SGL PIPELINED 80MSPS 15-BIT PARALLEL 56TQFN EP - Tape and Reel