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參數資料
| 型號： | WM2152 |
| 廠商： | Wolfson Microelectronics |
| 英文描述： | TVS BIDIRECT 600W 6.5V SMB |
| 中文描述： | 12位，30MSOS模數轉換器 |
| 文件頁數： | 1/7頁 |
| 文件大小： | 113K |
| 代理商： | WM2152 |
WM2152
12-bit, 30MSPS ADC
Product Preview, March 2001, Rev 1.1
WOLFSON MICROELECTRONICS LTD
Lutton Court, Bernard Terrace, Edinburgh, EH8 9NX, UK
Tel: +44 (0) 131 667 9386
Fax: +44 (0) 131 667 5176
Email: sales@wolfson.co.uk
www.wolfsonmicro.com
Product Preview
data sheets contain
specifications for products in the formative
phase of development. These products may
be changed or discontinued without notice.
2001 Wolfson Microelectronics Ltd
.
DESCRIPTION
The WM2152 is a high speed 12-bit analogue-to-digital
converter operating on a 3.3V supply. This device includes
a high bandwidth sample and hold and internal voltage
references. Conversion is controlled by a single clock input.
The device has a differential sample and hold input which
gives excellent common-mode noise immunity and low
distortion. The maximum differential input voltage can be
set by the user, via two mode selection pins, to be 1V or 2V.
A third PGA mode is designed particularly for single-ended
input signals such as composite video sources. Single-
ended input signals require one side of the differential input
to be tied to an external voltage source.
The device provides internal reference voltages for setting
the ADC full-scale range without the requirement for
external circuitry. The WM2152 can also accept external
reference levels for applications where common or high
precision references are required.
The WM2152 provides an out of range indicator flag to
indicate when the input signal exceeds the converter’s full
scale range. An output enable pin allows several devices to
share a common bus. Power down mode for the device is
under the control of the two mode control pins and takes
power consumption down to less than 36
μ
W.
FEATURES
12-bit resolution ADC
30MSPS conversion rate
Programmable Gain Amplifier (PGA)
Out of range indicator
Low power - 160mW typical at 3.3V supplies
Powerdown mode to 30
μ
W typical
66dB SNR for 3.58MHz input signal
-78db THD for 3.58MHz input signal
28-pin TSSOP package
APPLICATIONS
Direct IF sampling
Baseband digitisation
Video Digitisation
Portable instrumentation
Digital imaging
High speed data acquisition
BLOCK DIAGRAM
VINP (5)
PRECISION
REFERENCE
CIRCUITS
ADC
+
PGA
-
VINM (6)
D[11:0]
(12-18, 21-25)
OUTPUT
BUFFERS
(11) OVRNG
AVDD
(8, 27)
(9)
VRT
(10)
VRB
(26) OEB
(19) DGND
(20) DVDD
TIMING
CONTROL
(28) CLK
CONFIGURATION
CONTROL CIRCUIT
CON0 (3)
CON1 (2)
EXTREF (4)
AVDD
(1,7)
WM2152
相關PDF資料 |
PDF描述 |
|---|---|
| WM2152CDT | TVS UNIDIRECT 600W 60V SMB |
| WM2152IDT | 12-bit, 30MSOS ADC |
| WM2331 | TVS 600W 60V BIDIRECT SMB |
| WM2604 | TVS BIDIRECT 600W 64V SMB |
| WM2604CDT | DIODE, TVS BDIR 6.5V 10% 600V |
相關代理商/技術參數 |
參數描述 |
|---|---|
| WM2152CDT | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:12-bit, 30MSOS ADC |
| WM2152IDT | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:12-bit, 30MSOS ADC |
| WM-216 | 制造商:Brady Corporation 功能描述:Cable Markers Vinyl White |
| WM-216-SC-PK | 制造商:Brady Corporation 功能描述: |
| WM-217 | 制造商:Brady Corporation 功能描述:Cable Markers Vinyl White |
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