Moteur de recherche de fiches techniques de composants électroniques
  French  ▼
ALLDATASHEET.FR

X  

AD215BY Fiches technique(PDF) 8 Page - Analog Devices

No de pièce AD215BY
Description  120 kHz Bandwidth, Low Distortion, Isolation Amplifier
Download  12 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

AD215BY Fiches technique(HTML) 8 Page - Analog Devices

Back Button AD215BY Datasheet HTML 4Page - Analog Devices AD215BY Datasheet HTML 5Page - Analog Devices AD215BY Datasheet HTML 6Page - Analog Devices AD215BY Datasheet HTML 7Page - Analog Devices AD215BY Datasheet HTML 8Page - Analog Devices AD215BY Datasheet HTML 9Page - Analog Devices AD215BY Datasheet HTML 10Page - Analog Devices AD215BY Datasheet HTML 11Page - Analog Devices AD215BY Datasheet HTML 12Page - Analog Devices  
Zoom Inzoom in Zoom Outzoom out
 8 / 12 page
background image
AD215
REV. 0
–8–
Compensating the Uncommitted Input Op Amp
The open-loop gain and phase versus frequency for the uncom-
mitted input op amp are given in Figure 14. These curves can
be used to determine appropriate values for the feedback resis-
tor (RF) and compensation capacitor (CF) to ensure frequency
stability when reactive or nonlinear components are used.
FREQUENCY – Hz
100k
100M
1M
10M
25
20
–25
15
10
5
0
–5
–10
–15
–20
PHASE
GAIN
80
100
280
120
140
160
180
200
220
240
260
Figure 14. Open-Loop Gain and Frequency Response
Inverting, Summing or Current Input Configuration
Figure 14 shows how the AD215 can measure currents or sum
currents or voltages.
VS1
IN+
IN–
FB
IN COM
OUT HI
OUT LO
PWR
RTN
COM
TRIM
OUTPUT
FILTER,
BUFFER
AND
TRIM
CIRCUITRY
1
3
4
2
38
36
37
43
AD215
CF
47pF
RF
RS1
VS2
RS2
IS
Figure 15. Noninverting Summing/Current Configuration
For this circuit, the output voltage equation is:
VO = –RF × (IS + VS1/RS1 + VS2/RS2 + . . .)
where:
V
= Output Voltage (V)
VS1
= Input Voltage Signal 1 (V)
VS2
= Input Voltage Signal 2 (V)
IS
= Input Current Source (A)
RF
= Feedback Resistor (
Ω) (10 kΩ, typ)
RS1
= Input Signal 1 Source Resistance (
Ω)
RS2
= Input Signal 2 Source Resistance (
Ω)
The circuit of Figure 15 can also be used when the input signal
is larger than the
±10 V input range of the isolator. For example,
in Figure 15, if only VS1, RS1 and RF were connected as shown
with the solid lines, the input voltage span of VS1 could accom-
modate up to
±50 V when R
F = 10 k
Ω and R
S1 = 50 k
Ω.
GAIN AND OFFSET ADJUSTMENTS
General Comments
The AD215 features an output stage TRIM pin useful for zero-
ing the output offset voltage through use of user supplied circuitry.
When gain and offset adjustments are required, the actual com-
pensation circuit ultimately used depends on the following:
• The input configuration mode of the isolation amplifier (non-
inverting or inverting).
• The placement of any adjusting potentiometer (on the
isolator’s input or output side).
As a general rule:
• Gain adjustments should be accomplished at the gain-setting
resistor network at the isolator’s input.
• To ensure stability in the gain adjustment, potentiometers
should be located as close as possible to the isolator’s input
and its impedance should be kept low. Adjustment ranges
should also be kept to a minimum since their resolution and
stability is dependent upon the actual potentiometers used.
• Output adjustments may be necessary where adjusting poten-
tiometers placed near the input would present a hazard to the
user due to the presence of high common-mode voltages dur-
ing the adjustment procedure.
• It is recommended that input offset adjustments are made
prior to gain adjustments.
• The AD215 should be allowed to warm up for approximately
10 minutes before gain or offset adjustments are made.
Input Gain Adjustments for Noninverting Mode
Figure 16 shows a suggested noninverting gain adjustment cir-
cuit. Note that the gain adjustment potentiometer RP is incorpo-
rated into the gain-setting resistor network.
RIN = 2kΩ
VSIGNAL
IN+
IN–
FB
IN COM
OUT HI
OUT LO
PWR
RTN
COM
TRIM
OUTPUT
FILTER,
BUFFER
AND
TRIM
CIRCUITRY
1
3
4
2
38
36
37
43
AD215
CF
0.47pF
RF
RG
RC
RP
Figure 16. Gain Adjustment for Noninverting Configuration
For a
±1% trim range:
(RP ≈1kΩ), RC ≈ 0.02 ×
RG × RF
RG + RF


Numéro de pièce similaire - AD215BY

FabricantNo de pièceFiches techniqueDescription
logo
List of Unclassifed Man...
AD215BY ETC2-AD215BY Datasheet
2Mb / 31P
   SEMICONDUCTORS
More results

Description similaire - AD215BY

FabricantNo de pièceFiches techniqueDescription
logo
Analog Devices
AD215 AD-AD215_15 Datasheet
237Kb / 12P
   120 kHz Bandwidth, Low Distortion, Isolation Amplifier
REV. 0
AD215 AD-AD215_16 Datasheet
266Kb / 13P
   120 kHz Bandwidth, Low Distortion, Isolation Amplifier
logo
Allegro MicroSystems
ACS716 ALLEGRO-ACS716_16 Datasheet
913Kb / 22P
   120 kHz Bandwidth, High-Voltage Isolation
ACS710 ALLEGRO-ACS710_16 Datasheet
946Kb / 23P
   120 kHz Bandwidth, High-Voltage Isolation
logo
Analog Devices
AD203SN AD-AD203SN Datasheet
776Kb / 12P
   Rugged, Military Temperature Range, 10 kHz Bandwidth Isolation Amplifier
REV. A
AD203SN AD-AD203SN_16 Datasheet
1Mb / 14P
   Rugged, Military Temperature Range, 1 0 kHz Bandwidth Isolation Amplifier
logo
AVAGO TECHNOLOGIES LIMI...
ACS710KLATR-12CB-T AVAGO-ACS710KLATR-12CB-T Datasheet
461Kb / 22P
   120 kHz Bandwidth, High Voltage Isolation Current Sensor with Integrated Overcurrent Detection
logo
Allegro MicroSystems
ACS710 ALLEGRO-ACS710 Datasheet
459Kb / 22P
   120 kHz Bandwidth, High Voltage Isolation Current Sensor with Integrated Overcurrent Detection
ACS716 ALLEGRO-ACS716 Datasheet
486Kb / 22P
   120 kHz Bandwidth, High Voltage Isolation Current Sensor with Integrated Overcurrent Detection
logo
SEC Electronics Inc.
SC212KSIT SECELECTRONICS-SC212KSIT Datasheet
1Mb / 13P
   120 kHz Bandwidth, High Voltage Isolation Current Sensor with Integrated Overcurrent Detection
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12


Fiches technique Télécharger

Go To PDF Page


Lien URL




Politique de confidentialité
ALLDATASHEET.FR
ALLDATASHEET vous a-t-il été utile ?  [ DONATE ] 

À propos de Alldatasheet   |   Publicité   |   Contactez-nous   |   Politique de confidentialité   |   Echange de liens   |   Fabricants
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