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參數(shù)資料
| 型號： | AD215 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | 圓形連接器 |
| 英文描述： | Circular Connector; MIL SPEC:MIL-DTL-38999 Series I; Body Material:Metal; Series:LJT; No. of Contacts:39; Connector Shell Size:21; Connecting Termination:Crimp; Circular Shell Style:Wall Mount Receptacle; Body Style:Straight RoHS Compliant: No |
| 中文描述： | 120 kHz帶寬，低失真，隔離放大器 |
| 文件頁數(shù)： | 4/12頁 |
| 文件大小： | 234K |
| 代理商： | AD215 |
AD215
REV. 0
–4–
OUT HI
TRIM
OUT LO
+15V
IN
–15V
IN
PWR RTN
AD215
SIGNAL
1
3
UNCOMMITTED
INPUT OP AMP
FB
IN–
IN+
POWER
T2
T1
33k
R
R
0.01μF
OUTPUT
BUFFER
IN COM
+V
ISO
–V
ISO
MODULATOR
DEMODULATOR
LOW-PASS
FILTER
150kHz
37
36
38
42
44
43
430kHz
POWER
OSCILLATOR
6
2
5
ISOLATED
DC
SUPPLY
4
Figure 1. Functional Block Diagram
PIN CONFIGURAT IONS
36 38
37
42 44
43
BOTTOM VIEW OF
FOOTPRINT
4
6
2
3
5
1
AD215 PIN DE SIGNAT IONS
Pin
Designation
Function
1
2
3
4
5
6
36
37
38
42
43
44
IN+
IN COM
IN–
FB
–V
ISO
OUT
+V
ISO
OUT
T RIM
OUT LO
OUT HI
+15 V
IN
PWR RT N
–15 V
IN
Noninverting Input
Input Common
Inverting Input
Amplifier Feedback
Isolated –15 V dc Power Supply
Isolated +15 V dc Power Supply
Output Offset T rim Adjust
Output Low
Output High
+15 V dc Power
±
15 V dc Power Supply Common
–15 V dc Power
ORDE RING GUIDE
Model
T emperature Range
V
CMV
Nonlinearity
*
AD215AY
AD215BY
–40
°
C to +85
°
C
–40
°
C to +85
°
C
750
1500
0.01%
0.005%
*T ypical @ +25
°
C, G = 1 V/V.
INSIDE T HE AD215
T he AD215 is a fully self-contained analog signal and power
isolation solution. It employs a double-balanced amplitude
modulation technique to perform transformer coupling of sig-
nals ranging in frequency from true dc values to those having
T o generate the power supplies used for the isolated front-end
circuitry, an internal clock oscillator drives the primary winding
of the integral dc/dc power supply’s transformer, T 2. T he
resultant voltage developed across the secondary winding is
then rectified and filtered for use as the isolated power supply.
T his built-in isolated dc/dc converter provides sufficient power
for both the internal isolated circuit elements of the AD215 as
well as any ancillary components supplied by the user. It saves
onboard space and component cost where additional amplifica-
tion or signal conditioning is required.
After an input signal is amplified by the uncommitted op amp,
it is modulated at a carrier frequency of approximately 430 kHz
and applied across the primary winding of the signal isolation
transformer T 1.
T he resultant signal induced on the secondary winding of the
transformer is then demodulated and filtered using a low-pass
Bessel response filter set at a frequency of 150 kHz. T he func-
tion of the filter reconstructs the original signal as it appears on
the input.
T he signal transformer design and construction allow non-
linearity to be independent of both the specified temperature
and gain ranges.
After complete reconstruction, the signal is subjected to an off-
set trim stage and final output buffer. T he trim circuit allows
the designer flexibility to adjust for any offset as desired.
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PDF描述 |
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| AD215AY | Circular Connector; No. of Contacts:41; Series:LJTPQ00R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:21; Circular Contact Gender:Pin; Circular Shell Style:Wall Mount Receptacle |
| AD215BY | Circular Connector; No. of Contacts:41; Series:LJTPQ00R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:21; Circular Contact Gender:Socket; Circular Shell Style:Wall Mount Receptacle |
| AD22001 | Circular Connector; MIL SPEC:MIL-DTL-38999 Series I; Body Material:Metal; Series:LJT; No. of Contacts:4; Connector Shell Size:21; Connecting Termination:Crimp; Circular Shell Style:Wall Mount Receptacle; Body Style:Straight RoHS Compliant: No |
| AD22001N | Circular Connector; No. of Contacts:14; Series:LJTPQ00R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:23; Circular Contact Gender:Pin; Circular Shell Style:Wall Mount Receptacle |
| AD22001* | 5-Channel Monolithic Comparator for Lamp Monitoring |
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| AD215BY | 制造商:Analog Devices 功能描述:IC AMP ISOLATION |
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