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參數(shù)資料
| 型號(hào)： | AD8529AR |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | 8 MHz Rail-to-Rail Operational Amplifiers |
| 中文描述： | DUAL OP-AMP, 1100 uV OFFSET-MAX, 8 MHz BAND WIDTH, PDSO8 |
| 封裝： | MS-012AA, SOIC-8 |
| 文件頁數(shù)： | 10/12頁 |
| 文件大?。?/td> | 123K |
| 代理商： | AD8529AR |
AD8519/AD8529
–10–
REV. A
Slew-rate-related distortion would not be present at the lower
voltages because the AD8519 is so fast at 2.1 V/
μ
s. A general rule
of thumb for determining the necessary slew rate for an audio
system is: Take the maximum output voltage range of the device
given the design’s power rails and divide by two. In our example in
Figure 21, the power rails are +2.7 V and the output is rail-to-rail:
enter those numbers into the equation 2.7/2 is +1.35 V, and our
minimum ideal slew rate is 1.35 V/
μ
s.
While this data sheet gives only one audio example, many audio
circuits are enhanced with the use of the AD8519. Here are just a
few examples, Active audio filters like bass, treble and equalizers,
PWM filters at the output of audio DACs, Buffers and Summers
for mixing stations, and Gain stages for volume control.
1k
AD8519
+2.7V
30.9k
V
+2.7V
3.09k
V
C1
1
m
F
1nF
NPO
46.4k
V
93.1k
V
+2.7V
MIC
IN
240pF
48k
V
CODEC LINE IN
OR MIC IN
10
m
F-ELECT
Figure 21. 10
3
Microphone Preamplifier
Two-Element Varying Bridge Amplifier
There are a host of bridge configurations available to designers.
For a complete look the ubiquitous bridge, its positives and
negatives, and its many different forms, please refer to ADI’s
1992 Amplifier Applications Guide
1
.
Figure 22 is a schematic of a two-element varying bridge. This
configuration is commonly found in pressure and flow transduc-
ers. With two-elements varying the signal will be 2
3
as com-
pared to a single-element varying bridge. The advantages of this
type of bridge are gain setting range, no signal input equals 0 V
out, and single supply application. Negative characteristics are
nonlinear operation and required R matching. Given these sets
of conditions, requirements and characteristics, the AD8519 can
be successfully used in this configuration because of its rail-to-
rail output and low offset. Perhaps the greatest benefits of the
AD8519, when used in the bridge configuration, are the advan-
tages it can bring when placed in a remote bridge sensor. For
example: the tiny SOT-23 package will reduce the overall sensor
package, low power allows for remote powering via batteries or
solar cells, high output current drive to drive a long cable, and
+2.7 V operation for two cell operation.
R
R
R
R
AD8519
R
F
+2.7V
R
F
Figure 22. Two-Element Varying Bridge Amplifier
1. Adolfo Garcia and James Wong, Chapter 2, 1992 Amplifier Applications Guide.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD8529ARM | 8 MHz Rail-to-Rail Operational Amplifiers |
| AD8519 | 8 MHz Rail-to-Rail Operational Amplifiers(滿幅度運(yùn)放) |
| AD8529 | 8 MHz Rail-to-Rail Operational Amplifiers(滿幅度運(yùn)放) |
| AD8522AN | +5 Volt, Serial Input, Dual 12-Bit DAC |
| AD8522AR | +5 Volt, Serial Input, Dual 12-Bit DAC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD8529ARM | 制造商:Analog Devices 功能描述: |
| AD8529ARM-REEL | 功能描述:IC OPAMP GP R-R 8MHZ DUAL 8MSOP 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):1 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.11 V/µs 增益帶寬積:350kHz -3db帶寬:- 電流 - 輸入偏壓:4nA 電壓 - 輸入偏移:20µV 電流 - 電源:260µA 電流 - 輸出 / 通道:20mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 36 V，±1.35 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SO 包裝:帶卷 (TR) |
| AD8529ARMZ | 制造商:Analog Devices 功能描述:- Tape and Reel |
| AD8529ARMZ-REEL | 功能描述:IC OPAMP GP R-R 8MHZ DUAL 8MSOP RoHS:是 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):1 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.11 V/µs 增益帶寬積:350kHz -3db帶寬:- 電流 - 輸入偏壓:4nA 電壓 - 輸入偏移:20µV 電流 - 電源:260µA 電流 - 輸出 / 通道:20mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 36 V，±1.35 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SO 包裝:帶卷 (TR) |
| AD8529AR-REEL | 制造商:Analog Devices 功能描述:OP Amp Dual GP R-R O/P |
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