Zakładka z wyszukiwarką danych komponentów
  Polish  ▼
ALLDATASHEET.PL

X  

ADC-207LC Arkusz danych(PDF) 4 Page - Murata Power Solutions Inc.

Numer części ADC-207LC
Szczegółowy opis  7-Bit, 20MHz, CMOS Flash A/D Converters
Download  6 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Producent  MURATA-PS [Murata Power Solutions Inc.]
Strona internetowa  http://www.murata-ps.com
Logo MURATA-PS - Murata Power Solutions Inc.

ADC-207LC Arkusz danych(HTML) 4 Page - Murata Power Solutions Inc.

  ADC-207LC Datasheet HTML 1Page - Murata Power Solutions Inc. ADC-207LC Datasheet HTML 2Page - Murata Power Solutions Inc. ADC-207LC Datasheet HTML 3Page - Murata Power Solutions Inc. ADC-207LC Datasheet HTML 4Page - Murata Power Solutions Inc. ADC-207LC Datasheet HTML 5Page - Murata Power Solutions Inc. ADC-207LC Datasheet HTML 6Page - Murata Power Solutions Inc.  
Zoom Inzoom in Zoom Outzoom out
 4 / 6 page
background image
USING TWO ADC-207’S FOR 8-BIT RESOLUTION
Two ADC-207’s (A and B) are cascadable for applications requir-
ing 8-bit resolution. The device A provides a typical 7-bit output. The
OVERFLOW signal of device A turns off device A and turns on the device B.
The OVERFLOW signal of device A is also used as MSB for 8-bit operation.
The device B provides the other seven bits from the input signal. Figure 4
shows the circuit connections for the application.
BEAT FREQUENCY AND ENVELOPE TESTS
Figure 5 shows an actual ADC-207 plot of the Beat Frequency Test.
This test uses a 20MHz clock input to the ADC-207 with a 20.002MHz full-
scale sine wave input. Although the converter would not normally be used
in this mode because the input frequency violates Nyquist criteria for full
recovery of signal information, the test is an excellent demonstration of the
ADC-207’s high-frequency performance.
The effect of the 2kHz frequency difference between the input and the
clock is that the output will be a 2kHz sinusoidal digital data array which
"walks" along the actual input at the 2kHz beat note frequency. Any inabil-
ity to follow the 20.002MHz input will be immediately obvious by plotting
the digital data array. Further arithmetic analysis may be done on the data
array to determine spectral purity, harmonic distortion, etc. This test is an
excellent indication of:
1. Full power input bandwidth of all 128 comparators.
(Any gain loss would show as signal distortion.)
2. Phase response linearity vs. instantaneous signal magnitude.
(Phase problems would show as
improper codes.)
3. Comparator slew rate limiting.
Figure 6 shows an actual ADC-207 plot of the Envelope Test. This test
is a variation of the previous test but uses a 10.002MHz sinewave input to
give two overlapping cycles when the data is reconstructed by a D/A con-
verter output to an oscilloscope. The scope is triggered by the 20MHz clock
used by the A/D. Any asymmetry between positive and negative portions of
the signal will be very obvious. This test is an excellent indication of slew
rate capability. At the peaks of the envelope, consecutive samples swing
completely through the input voltage range.
NOTE: The output data bit numbering is offset by a
bit to the device B’s output.
9
CLOCK IN
GROUND
+5 VOLTS
8
1
2
3
13
12
11
CLOCK OUT
20k
6
4
5
0.01µF
10pF
18
6
10
TURN
+5V
8
4
1
9
3
6
8
1
4
+5V
REFERENCE
GROUND
9
18
3
7
7
10
OVERFLOW
ANALOG IN
CLOCK IN
OPTIONAL
MIDSCALE
ADJUST
+5.12
REFERENCE
IN
BIT 1 (MSB)
BIT2
BIT3
BIT4
BIT5
BIT6
BIT7
BIT8 (LSB)
11
12
13
14
15
16
17
+REFERENCE
+VDD
OF
B1
B2
B3
B4
B5
B6
B7
DIG GND
CS1
ANALOG INPUT
CLOCK
CS2
–REFERENCE
ANALOG GROUND
+REFERENCE
OF
B1
B2
B3
B4
B5
B6
B7
CS1
CLOCK
ANALOG INPUT
+VDD
CS2
–REFERENCE
2
10
11
12
13
14
15
16
17
2
ANALOG GROUND
DIG GND
Figure 3. Optional Pulse Shaping Circuit
Figure 4. Using Two ADC-207’s for 8-Bit Operation
ADC-207
7-Bit, 20MHz, CMOS Flash A/D Converters
MDA_ADC-207.B01 Page 4 of 6
Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000
www.murata-ps.com


Podobny numer części - ADC-207LC

ProducentNumer częściArkusz danychSzczegółowy opis
logo
List of Unclassifed Man...
ADC-207LC ETC-ADC-207LC Datasheet
212Kb / 6P
   7- BIT 20MHZ CMOS FLASH A/D CONVERTERS
logo
DATEL, Inc.
ADC-207LC DATEL-ADC-207LC Datasheet
102Kb / 1P
   CMOS Flash A/D
ADC-207LC-C DATEL-ADC-207LC-C Datasheet
102Kb / 1P
   CMOS Flash A/D
More results

Podobny opis - ADC-207LC

ProducentNumer częściArkusz danychSzczegółowy opis
logo
List of Unclassifed Man...
ADC-207 ETC-ADC-207 Datasheet
212Kb / 6P
   7- BIT 20MHZ CMOS FLASH A/D CONVERTERS
ADC-305 ETC-ADC-305 Datasheet
193Kb / 6P
   8-Bit, 20MHz CMOS A/D Converters
logo
Murata Power Solutions ...
ADC-305 MURATA-PS-ADC-305 Datasheet
234Kb / 6P
   8-Bit, 20MHz CMOS A/D Converters
logo
List of Unclassifed Man...
ADC-304 ETC-ADC-304 Datasheet
152Kb / 5P
   8-Bit, 20MHz, Low-Power Flash A/D Converters
ADC-228 ETC-ADC-228 Datasheet
143Kb / 4P
   8-Bit, 20MHz, Complete 8-Bit, 20MHz, Complete Flash A/D Converter
logo
Murata Power Solutions ...
ADC-228A MURATA-PS-ADC-228A Datasheet
177Kb / 4P
   8-Bit, 20MHz, Complete Flash A/D Converter
logo
List of Unclassifed Man...
ADS-238Q ETC1-ADS-238Q Datasheet
83Kb / 7P
   12-Bit, 20MHz, Low Power Sampling A/D Converters
logo
Murata Power Solutions ...
ADS-238Q MURATA-PS-ADS-238Q Datasheet
85Kb / 7P
   12-Bit, 20MHz, Low Power Sampling A/D Converters
logo
NXP Semiconductors
ADC0803 PHILIPS-ADC0803 Datasheet
187Kb / 18P
   CMOS 8-bit A/D converters
2002 Oct 17
ADC0803 PHILIPS-ADC0803 Datasheet
154Kb / 18P
   CMOS 8-bit A/D converters
2002 Oct 17
More results


Html Pages

1 2 3 4 5 6


Arkusz danych Pobierz

Go To PDF Page


Link URL




Polityka prywatności
ALLDATASHEET.PL
Czy Alldatasheet okazała się pomocna?  [ DONATE ] 

O Alldatasheet   |   Reklama   |   Kontakt   |   Polityka prywatności   |   Linki   |   Lista producentów
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com