參數(shù)資料
型號(hào)： MAX1444EHJ
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類(lèi)： ADC
英文描述： 10-Bit, 40Msps, 3.0V, Low-Power ADC with Internal Reference
中文描述： 10-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP32
封裝： 5 X 5 MM, TQFP-32
文件頁(yè)數(shù)： 1/20頁(yè)
文件大?。?/td> 401K
代理商： MAX1444EHJ
General Description
The MAX1444 10-bit, 3V analog-to-digital converter
(ADC) features a pipelined 10-stage ADC architecture
with fully differential wideband track-and-hold (T/H)
input and digital error correction incorporating a fully
differential signal path. This ADC is optimized for low-
power, high dynamic performance applications in
imaging and digital communications. The MAX1444
operates from a single 2.7V to 3.6V supply, consuming
only 57mW while delivering a 59.5dB signal-to-noise
ratio (SNR) at a 20MHz input frequency. The fully differ-
ential input stage has a 400MHz -3dB bandwidth and
may be operated with single-ended inputs. In addition
to low operating power, the MAX1444 features a 5μA
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.
Higher speed, pin-compatible versions of the MAX1444
are also available. Please refer to the MAX1446 data
sheet (60Msps) and the MAX1448 data sheet
(80Msps).
The MAX1444 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 5x5mm 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
o
Single 3.0V Operation
o
Excellent Dynamic Performance
59.5dB SNR at f
IN
= 20MHz
74dBc SFDR at f
IN
= 20MHz
o
Low Power
19mA (Normal Operation)
5μA (Shutdown Mode)
o
Fully Differential Analog Input
o
Wide 2V
p-p
Differential Input Voltage Range
o
400MHz -3dB Input Bandwidth
o
On-Chip 2.048V Precision Bandgap Reference
o
CMOS-Compatible Three-State Outputs
o
32-Pin TQFP Package
o
Evaluation Kit Available
M
10-Bit, 40Msps, 3.0V, Low-Power
ADC with Internal Reference
________________________________________________________________
Maxim Integrated Products
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.
1
MAX1444
TQFP
TOP VIEW
32
28
29
30
31
25
26
27
R
G
R
D
R
D
D
D
10
13
15
14
16
11
12
9
V
D
G
V
D
P
C
O
G
D
17
18
19
20
21
22
23
OGND
24
D4
T.P.
OV
DD
D5
D6
D7
D8
2
3
4
5
6
7
8
GND
IN-
IN+
GND
GND
V
DD
COM
1
REFN
Pin Configuration
19-1745; Rev 1; 11/03
EVALUATION KIT
AVAILABLE
Ordering Information
Functional Diagram appears at end of data sheet.
PART
TEMP RANGE
-40
°
C to +85
°
C
PIN-PACKAGE
32 TQFP
MAX1444EHJ
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1444EHJ/V+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC ANALOG TO DIGITAL CONVERTER 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
MAX1444EHJ/V+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 40Msps 3.0V Low-Power ADC with Internal Reference 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
MAX1444EHJ+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 40Msps 3V High Speed 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
MAX1444EHJ+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 40Msps 3V High Speed 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
MAX1444EHJ-T 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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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