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參數(shù)資料
| 型號： | WM2148 |
| 廠商： | Wolfson Microelectronics |
| 英文描述： | TVS UNI-DIR 6.0V 600W SMB |
| 中文描述： | 14位8MSPS模擬到數(shù)字轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大小： | 255K |
| 代理商： | WM2148 |
WM2148
14-bit 8MSPS Analogue-To-Digital Converter
Production Data, February 2001, Rev 1.1
WOLFSON MICROELECTRONICS LTD
Bernard Terrace, Edinburgh, EH8 9NX, UK
Tel: +44 (0) 131 667 9386
Fax: +44 (0) 131 667 5176
Email: sales@wolfson.co.uk
http://www.wolfson.co.uk
Production Data
datasheets contain final
specifications current on publication date.
Supply of products conforms to Wolfson
Microelectronics’ Terms and Conditions.
2001 Wolfson Microelectronics Ltd
.
DESCRIPTION
The WM2148 is a 14-bit, 8 MSPS analogue to digital
converter with an on-chip voltage reference, high bandwidth
sample and hold amplifier and programmable gain. The
analogue input is differential, giving excellent common-
mode noise immunity and low distortion.
The WM2148 is designed for use in highly integrated, low-
power 3.3V systems. A high speed, microprocessor
compatible parallel interface allows control of the ADC input
gain, digital DC offset, internal / external reference and
output data format. Both binary and two’s complement
formats are supported. The device also features an out of
range indicator pin to show when the input signal exceeds
the converter’s full-scale range.
In Power Down mode, all analogue circuitry is internally
disconnected from the power supply, reducing total supply
current to 20
μ
A.
The WM2148 is available in a 1mm thin 48-pin TQFP
package in standard commercial and industrial temperature
ranges.
FEATURES
14-bit resolution ADC
8 MSPS conversion rate
Differential input
3.3V single supply
Very low current power down mode - 20
μ
A typical
Microprocessor compatible parallel interface
Internal or external voltage reference
High bandwidth sample and hold amplifier
-
140MHz full-power bandwidth
Programmable Gain Amplifier (PGA)
Programmable DC offset
Binary or two’s complement output format
Out of range indicator
48-pin TQFP package, body thickness 1mm
APPLICATIONS
Communications
xDSL Front ends
Industrial control
Instrumentation
BLOCK DIAGRAM
IN+
PARALLEL INTERFACE AND
CONTROL LOGIC
A[1:0]
CSB
WEB
OEB
ADC
+
PGA
-
IN-
D[13:0]
OUTPUT
BUFFERS
REF+
REF-
OVI
CLK
VBG
WM2148
PRECISION
REFERENCE
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| WM2148CFT/V | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:14-bit 8MSPS Analogue-To-Digital Converter |
| WM2148IFT/V | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:14-bit 8MSPS Analogue-To-Digital Converter |
| WM-215 | 制造商:Brady Corporation 功能描述:Cable Markers Vinyl White |
| WM2152 | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:12-bit, 30MSOS ADC |
| WM2152CDT | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:12-bit, 30MSOS ADC |
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