參數(shù)資料
型號(hào)： MAX1449EHJ+T
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 1/21頁(yè)
文件大?。?/td> 0K
描述： IC ADC 10BIT 105MSPS 32-TQFP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,500
位數(shù)： 10
采樣率（每秒）： 105M
數(shù)據(jù)接口： 并聯(lián)
轉(zhuǎn)換器數(shù)目： 1
電壓電源： 模擬和數(shù)字
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 32-TQFP
供應(yīng)商設(shè)備封裝： 32-TQFP（5x5）
包裝： 帶卷 (TR)
輸入數(shù)目和類型： 2 個(gè)單端，雙極；1 個(gè)差分，雙極
General Description
The MAX1449 3.3V, 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 dif-
ferential signal path. The ADC is optimized for low-
power, high-dynamic performance in imaging and digital
communications applications. The converter operates
from a single 2.7V to 3.6V supply, consuming only
186mW while delivering a 58.5dB (typ) signal-to-noise
ratio (SNR) at a 20MHz input frequency. The fully differ-
ential input stage has a -3dB 400MHz bandwidth and
may be operated with single-ended inputs. In addition to
low operating power, the MAX1449 features a 5A
power-down mode for idle periods.
An internal 2.048V precision bandgap reference is
used to set the ADC’s full-scale range. A flexible refer-
ence structure allow’s 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 MAX1449
are also available. Refer to the MAX1444 data sheet for
a 40Msps version, the MAX1446 data sheet for a
60Msps version, and the MAX1448 data sheet for 80Msps.
The MAX1449 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 3.3V Operation
Excellent Dynamic Performance
58.5dB SNR at fIN = 20MHz
72dBc SFDR at fIN = 20MHz
Low Power
62mA (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)
MAX1449
10-Bit, 105Msps, Single 3.3V, Low-Power
ADC with Internal Reference
________________________________________________________________ Maxim Integrated Products
1
CLK
IN+
CONTROL
10
PIPELINE ADC
REF SYSTEM +
BIAS
OUTPUT
DRIVERS
D
E
C
REF
REFIN
REFOUT
REFP
COM REFN
OE
VDD
GND
OVDD
OGND
D9–D0
IN-
PD
T/H
MAX1449
Functional Diagram
19-4802; Rev 2; 9/04
EVALUATION
KIT
AVAILABLE
Ordering Information
Pin Configuration appears at end of data sheet.
PART
TEMP RANGE
PIN-PACKAGE
MAX1449EHJ
-40
°C to +85°C
32 TQFP
PART
SAMPLING SPEED (Msps)
MAX1444
40
MAX1446
60
MAX1448
80
Pin-Compatible, Lower Speed
Selection Table
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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MAX144ACUA 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
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