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參數(shù)資料
| 型號(hào)： | SPT7820 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | EVALUATION BOARD |
| 中文描述： | 評(píng)價(jià)委員會(huì) |
| 文件頁數(shù)： | 1/17頁 |
| 文件大?。?/td> | 206K |
| 代理商： | SPT7820 |
AN7820/24
EVALUATION BOARD
APPLICATION NOTE
FEATURES
20 and 40 MSPS Conversion Rate
On-Board Clock Drivers
Data Output and Strobe Signal
User Selectable Capture Clock
On-Board Reference Drivers
APPLICATIONS
Evaluation of SPT7820 and SPT7824
Engineering System Prototype Aid
Incoming Inspection Tool
Differential Linearity Error (DLE) Testing
Integral Linearity Error (ILE) Testing
AC Accuracy Testing: SNR, THD
Guide for System Layout
GENERAL DESCRIPTION
The EB7820/24 evaluation board demonstrates the perfor-
mance of the SPT7820 and SPT7824, monolithic high speed
analog-to-digital converters (ADCs). This document can
used as an application note and as supplemental information
to the existing data sheets (SPT7820 or SPT7824). Both the
SPT7820 and SPT7824 have analog input ranges of
±
2 V.
The SPT7820 is capable of digitizing an analog input signal
into 10-bit words at a minimum update rate of 20 MSPS, while
the SPT7824 is capable of digitizing an analog input signal
into 10-bit words at a minimum update rate of 40 MSPS. Both
devices are pin-compatible. All input/output logic is TTL-
compatible.
Figure 1: EB7820/24 Block Diagram. (The full detail schematic is shown in figure 17.)
DAC
OUT
CCLK
+2.5V
REF
VFT
VFB
VIN
CLK
L
S
10
VIN
Dout
-A5.2V
CLK
+5
-5.2
TTL
COMP
12-BIT DAC
ADC OUT (TTL)
PART OF DB792
10
(DAUGHTER BOARD)
- 1
+
-
10
(80 MSPS MAX)
DGND
DGND
AGND
EB7820/24
REVB
+A5
- D5.2V
+D5V
The EB7820/24 (
≈
4" X 7.5") consists of five separate sections:
- Reference circuits
- Clock circuits
- SPT7820 or SPT7824, 10-bit ADC (not included with the board)
- Output latches available through 26-pin female ribbon connector
- The DB792 DAC reconstruction board is a separate daughter board (
≈
2.5" X 3.0") that directly interfaces with the
EB7820/24
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SPT7824 | EVALUATION BOARD |
| SPT7830 | 10-BIT, 2.5 MSPS, SERIAL OUTPUT A/D CONVERTER |
| SPT7830SCS | 10-BIT, 2.5 MSPS, SERIAL OUTPUT A/D CONVERTER |
| SPT7830SCU | 10-BIT, 2.5 MSPS, SERIAL OUTPUT A/D CONVERTER |
| SPT7830SIS | 10-BIT, 2.5 MSPS, SERIAL OUTPUT A/D CONVERTER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SPT7820ACN | 制造商:CADEKA 制造商全稱:CADEKA 功能描述:10-BIT, 20 MSPS, TTL OUTPUT, A/D CONVERTER |
| SPT7820ACS | 制造商:CADEKA 制造商全稱:CADEKA 功能描述:10-BIT, 20 MSPS, TTL OUTPUT, A/D CONVERTER |
| SPT7820AIJ | 制造商:SIGNAL 功能描述: |
| SPT7820AMJ | 制造商:CADEKA 制造商全稱:CADEKA 功能描述:10-BIT, 20 MSPS, TTL OUTPUT, A/D CONVERTER |
| SPT7820BCN | 制造商:CADEKA 制造商全稱:CADEKA 功能描述:10-BIT, 20 MSPS, TTL OUTPUT, A/D CONVERTER |
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