Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.COM

X  

ACPL-7970 Datasheet(PDF) 13 Page - AVAGO TECHNOLOGIES LIMITED

Part # ACPL-7970
Description  Optically Isolated Sigma-Delta Modulator 10 MHz internal clock
Download  18 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  AVAGO [AVAGO TECHNOLOGIES LIMITED]
Direct Link  http://www.avagotech.com
Logo AVAGO - AVAGO TECHNOLOGIES LIMITED

ACPL-7970 Datasheet(HTML) 13 Page - AVAGO TECHNOLOGIES LIMITED

Back Button ACPL-7970 Datasheet HTML 9Page - AVAGO TECHNOLOGIES LIMITED ACPL-7970 Datasheet HTML 10Page - AVAGO TECHNOLOGIES LIMITED ACPL-7970 Datasheet HTML 11Page - AVAGO TECHNOLOGIES LIMITED ACPL-7970 Datasheet HTML 12Page - AVAGO TECHNOLOGIES LIMITED ACPL-7970 Datasheet HTML 13Page - AVAGO TECHNOLOGIES LIMITED ACPL-7970 Datasheet HTML 14Page - AVAGO TECHNOLOGIES LIMITED ACPL-7970 Datasheet HTML 15Page - AVAGO TECHNOLOGIES LIMITED ACPL-7970 Datasheet HTML 16Page - AVAGO TECHNOLOGIES LIMITED ACPL-7970 Datasheet HTML 17Page - AVAGO TECHNOLOGIES LIMITED Next Button
Zoom Inzoom in Zoom Outzoom out
 13 / 18 page
background image
13
Table 10. Input voltage with ideal corresponding density of 1s at modulator data output, and ADC code.
Analog Input
Voltage Input
Density of 1s
ADC Code (16-bit unsigned decimation)
Full-Scale Range
640 mV
+Full-Scale
+320 mV
100%
65,535
+Recommended Input Range
+200 mV
81.25%
53,248
Zero
0 mV
50%
32,768
–Recommended Input Range
-200 mV
18.75%
12,288
–Full-Scale
-320 mV
0%
0
Notes:
1. With bipolar offset binary coding scheme, the digital code begins with digital 0 at –FS input and increases proportionally to the analog input until
the full-scale code is reached at the +FS input. The zero crossing occurs at the mid-scale input.
2. Ideal density of 1s at modulator data output can be calculated with VIN/640 mV + 50%; similarly, the ADC code can be calculated with (VIN/640 mV)
× 65,536 + 32,768, assuming a 16-bit unsigned decimation filter.
ACPL-7970
3-WIRE
SERIAL
INTERFACE
INPUT
CURRENT
RSHUNT
VIN+
VIN–
VDD1
GND1
ISOLATED
5 V
0.1
µF
MCLK
MDAT
VDD2
GND2
NON-
ISOLATED
5 V/3.3 V
1
µF
SINC3 FILTER
CLOCK
DATA
GND
VDD
SCLK
SDAT
CS
ISOLATION
BARRIER
GND1
GND2
1
µF
0.1
µF
Digital Filter
A digital filter converts the single-bit data stream from
the modulator into a multi-bit output word similar to
the digital output of a conventional A/D converter. With
this conversion, the data rate of the word output is also
reduced (decimation). A Sinc3 filter is recommended to
Note: In applications, 1
mF/0.1 mF bypass capacitors are recommended to connect between pins VDD1 and GND1,
and between pins VDD2 and GND2 of the ACPL-7970.
Figure 17. Typical application circuit with a Sinc3 filter.
work together with the ACPL-7970. With 256 decimation
ratio and 16-bit word settings, the output data rate is 39
kHz (= 10 MHz/256). This filter can be implemented in an
ASIC, an FPGA or a DSP. Some of the ADC codes with cor-
responding input voltages are shown in Table 5.


Similar Part No. - ACPL-7970

ManufacturerPart #DatasheetDescription
logo
AVAGO TECHNOLOGIES LIMI...
ACPL-7970-500E AVAGO-ACPL-7970-500E Datasheet
651Kb / 18P
   Optically Isolated Sigma-Delta Modulator
More results

Similar Description - ACPL-7970

ManufacturerPart #DatasheetDescription
logo
Renesas Technology Corp
PS9551AL4 RENESAS-PS9551AL4 Datasheet
854Kb / 20P
   Optically Isolated Delta-Sigma Modulator
Mar 20, 2014
RV1S9353A RENESAS-RV1S9353A Datasheet
1Mb / 20P
   Optically Isolated Delta-Sigma Modulator
Mar 23, 2020
logo
California Eastern Labs
PS9551AL4 CEL-PS9551AL4 Datasheet
3Mb / 20P
   Optically Isolated Delta-Sigma Modulator
logo
Agilent(Hewlett-Packard...
HCPL-7560 HP-HCPL-7560 Datasheet
150Kb / 18P
   Optically Isolated Sigma-Delta Modulator
logo
AVAGO TECHNOLOGIES LIMI...
ACPL-7970-500E AVAGO-ACPL-7970-500E Datasheet
651Kb / 18P
   Optically Isolated Sigma-Delta Modulator
logo
Renesas Technology Corp
PS9551AL4 RENESAS-PS9551AL4_15 Datasheet
855Kb / 20P
   Optically Isolated Delta-Sigma Modulator
logo
Broadcom Corporation.
ACPL-C797 BOARDCOM-ACPL-C797 Datasheet
1Mb / 18P
   Optically Isolated Sigma-Delta Modulator
logo
AVAGO TECHNOLOGIES LIMI...
ACPL-796J-560E AVAGO-ACPL-796J-560E Datasheet
209Kb / 16P
   Optically Isolated Sigma-Delta Modulator
ACPL-C797 AVAGO-ACPL-C797 Datasheet
643Kb / 16P
   Optically Isolated Sigma-Delta Modulator
logo
Broadcom Corporation.
ACPL-C740 BOARDCOM-ACPL-C740 Datasheet
1Mb / 19P
   Optically Isolated Sigma-Delta Modulator
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18


Datasheet Download

Go To PDF Page


Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Link Exchange   |   Manufacturer List
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