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參數(shù)資料
| 型號(hào)： | AD215AY |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 7/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP ISOL LDIST 5MA 44SIP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 放大器類型： | 隔離 |
| 電路數(shù)： | 1 |
| 轉(zhuǎn)換速率： | 6 V/µs |
| -3db帶寬： | 120kHz |
| 電流 - 輸入偏壓： | 300pA |
| 電壓 - 輸入偏移： | 400µV |
| 電流 - 電源： | 40mA |
| 電流 - 輸出 / 通道： | 5mA |
| 電壓 - 電源，單路/雙路(±)： | ±14.25 V ~ 17 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 44-SIP，12 引線，偏移引線 |
| 供應(yīng)商設(shè)備封裝： | 12-SIP |
| 包裝： | 管件 |
AD215
REV. 0
–4–
OUT HI
TRIM
OUT LO
+15VIN
–15VIN
PWR RTN
AD215
SIGNAL
1
3
UNCOMMITTED
INPUT OP AMP
FB
IN–
IN+
POWER
T2
T1
33k
R
0.01F
OUTPUT
BUFFER
IN COM
+VISO
–VISO
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 CONFIGURATIONS
36 38
37
42 44
43
BOTTOM VIEW OF
FOOTPRINT
4
6
2
3
5
1
AD215 PIN DESIGNATIONS
Pin
Designation
Function
1
IN+
Noninverting Input
2
IN COM
Input Common
3
IN–
Inverting Input
4
FB
Amplifier Feedback
5–VISO OUT
Isolated –15 V dc Power Supply
6+VISO OUT
Isolated +15 V dc Power Supply
36
TRIM
Output Offset Trim Adjust
37
OUT LO
Output Low
38
OUT HI
Output High
42
+15 VIN
+15 V dc Power
43
PWR RTN
±15 V dc Power Supply Common
44
–15 VIN
–15 V dc Power
ORDERING GUIDE
Model
Temperature Range
VCMV
Nonlinearity
*
AD215AY
–40
°C to +85°C
750
0.01%
AD215BY
–40
°C to +85°C
1500
0.005%
*Typical @ +25
°C, G = 1 V/V.
INSIDE THE AD215
The 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
frequencies of 120 kHz or less.
To 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, T2. The
resultant voltage developed across the secondary winding is
then rectified and filtered for use as the isolated power supply.
This 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 T1.
The 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. The func-
tion of the filter reconstructs the original signal as it appears on
the input.
The 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. The trim circuit allows
the designer flexibility to adjust for any offset as desired.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD215BY | 功能描述:IC AMP ISOL LDIST 5MA 44SIP RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:- 轉(zhuǎn)換速率:0.6 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:45nA 電壓 - 輸入偏移:2000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:40mA 電壓 - 電源，單路/雙路(±):3 V ~ 32 V，±1.5 V ~ 16 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) 其它名稱:LM324ADTBR2G-NDLM324ADTBR2GOSTR |
| AD215BY | 制造商:Analog Devices 功能描述:IC AMP ISOLATION |
| AD215BYZ | 制造商:Analog Devices 功能描述:ISOLATION AMPLIFIER IC PACKAGE/CASE:12-S |
| AD-2164S | 制造商:BOTHHAND 制造商全稱:Bothhand USA, LP. 功能描述:ADSL LINE TRANSFORMER |
| AD2-165Q-30000281 | 制造商:Amphenol Commercial 功能描述:RACK & PANEL CONNECTOR 制造商:Amphenol Corporation 功能描述:RACK AND PANEL CONNECTOR |
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