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| 型号： | MAX1448EHJ+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/21页 |
| 文件大小： | 0K |
| 描述： | IC ADC 10BIT 80MSPS 32-TQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 360 |
| 位数： | 10 |
| 采样率（每秒）： | 80M |
| 数据接口： | 并联 |
| 转换器数目： | 1 |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-TQFP |
| 供应商设备封装： | 32-TQFP（5x5） |
| 包装： | 托盘 |
| 输入数目和类型： | 2 个单端，双极；1 个差分，双极 |
General Description
The MAX1448 3V, 10-bit analog-to-digital converter
(ADC) features a fully differential input, a pipelined 10-
stage ADC architecture with wideband track-and-hold
(T/H), and digital error correction incorporating a fully
differential signal path. The ADC is optimized for low-
power, high dynamic performance in imaging and digi-
tal communications applications. The converter
operates from a single 2.7V to 3.6V supply, consuming
only 120mW while delivering a 59dB (typ) signal-to-
noise ratio (SNR) at a 20MHz input frequency. The fully
differential input stage has a -3dB 400MHz bandwidth
and may be operated with single-ended inputs. In addi-
tion to low operating power, the MAX1448 features a
5A power-down mode for idle periods.
An internal 2.048V precision bandgap reference is
used to set the ADC full-scale range. A flexible refer-
ence structure allows the user to supply a buffered,
direct, or externally derived reference for applications
requiring increased accuracy or a different input volt-
age range.
Lower speed, pin-compatible versions of the MAX1448
are also available. Refer to the MAX1444 data sheet for
a 40Msps version and to the MAX1446 data sheet for a
60Msps version.
The MAX1448 has parallel, offset binary, CMOS-com-
patible three-state outputs that can be operated from
1.7V to 3.6V to allow flexible interfacing. The device is
available in a 5mm x 5mm 32-pin TQFP package and is
specified over the extended industrial (-40°C to +85°C)
temperature range.
________________________Applications
Ultrasound Imaging
CCD Imaging
Baseband and IF Digitization
Digital Set-Top Boxes
Video Digitizing Applications
Features
Single 3.0V Operation
Excellent Dynamic Performance
59dB SNR at fIN = 20MHz
74dBc SFDR at fIN = 20MHz
Low Power
40mA (Normal Operation)
5A (Shutdown Mode)
Fully Differential Analog Input
Wide 2VP-P Differential Input Voltage Range
400MHz -3dB Input Bandwidth
On-Chip 2.048V Precision Bandgap Reference
CMOS-Compatible Three-State Outputs
32-Pin TQFP Package
Evaluation Kit Available (MAX1448 EV Kit)
MAX1448
10-Bit, 80Msps, Single 3.0V, Low-Power
ADC with Internal Reference
________________________________________________________________ Maxim Integrated Products
1
CLK
IN+
CONTROL
10
PIPELINEADC
REFSYSTEM+
BIAS
OUTPUT
DRIVERS
D
E
C
REF
REFIN
REFOUT
REFP
COM REFN
OE
VDD
GND
OVDD
OGND
D9–D0
IN-
PD
T/H
MAX1448
Functional Diagram
19-5400; Rev 3; 9/04
EVALUATION
KIT
AVAILABLE
Ordering Information
Pin Configuration appears at end of data sheet.
PART
TEMP RANGE
PIN-PACKAGE
MAX1448EHJ
-40
°C to +85°C
32 TQFP
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1448EHJ+ | 功能描述:模数转换器 - ADC 10-Bit 80Msps 3V High Speed 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 |
| MAX1448EHJ+T | 功能描述:模数转换器 - ADC 10-Bit 80Msps 3V High Speed 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 |
| MAX1448EHJ-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 |
| MAX1448EVKIT | 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 |
| MAX1449EHJ | 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 |
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