- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄5854 > AD8624ACPZ-RL (Analog Devices Inc)IC OPAMP GP R-R QUAD 16LFCSP PDF資料下載
參數(shù)資料
| 型號： | AD8624ACPZ-RL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 8/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC OPAMP GP R-R QUAD 16LFCSP |
| 標準包裝： | 5,000 |
| 放大器類型： | 電壓反饋 |
| 電路數(shù)： | 4 |
| 輸出類型： | 滿擺幅 |
| 轉換速率： | 0.48 V/µs |
| 增益帶寬積： | 560kHz |
| 電流 - 輸入偏壓： | 45pA |
| 電壓 - 輸入偏移： | 10µV |
| 電流 - 電源： | 215µA |
| 電流 - 輸出 / 通道： | 40mA |
| 電壓 - 電源，單路/雙路(±)： | ±2.5 V ~ 15 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-WQFN 裸露焊盤，CSP |
| 供應商設備封裝： | 16-LFCSP-WQ（4x4） |
| 包裝： | 帶卷 (TR) |
AD8622/AD8624
Data Sheet
Rev. D | Page 16 of 20
HALL SENSOR SIGNAL CONDITIONING
low power signal conditioning circuits. One such use is in Hall
sensor signal conditioning (see Figure 57). The magnetic
sensitivity of a Hall element is proportional to the bias voltage
applied across it. With 1 V bias voltage, the Hall element
consumes about 2.5 mA of supply current and has a sensitivity
of 5.5 mV/mT typical. To reduce power consumption, bias
voltage must be reduced, but at the risk of lower sensitivity. The
only way to achieve higher sensitivity is by introducing a gain
with all its features, is well suited to amplify the sensitivity of the
Hall element.
The ADR121 is a precision micropower 2.5 V voltage reference.
A precision voltage reference is required to hold a constant current
so that the Hall voltage only depends on the intensity of the
magnetic field. Using the 4.12k:98.8k resistive divider, the bias
voltage of the Hall element is reduced to 100 mV, leading to only
250 A of power consumption. The 3-op-amp in-amp
sensitivity to 55 mV/mT. The key to high CMRR for this in-amp
configuration are resistors that are well matched (where R1/R2
= R3/R4) from both the resistive ratio and relative drift. The
resistors are important in determining the performance over
manufacturing tolerances, time and temperature. At least 1% or
better resistors are recommended. Using the AD8622/AD8624 to
amplify the sensor signal can reduce power while also achieving
higher sensitivity. The total current consumed is just 1.2 mA,
resulting in 21× improvement in sensitivity/power.
VSY
R6
9.9k
R3
9.9k
R5
9.9k
R1
9.9k
R2
9.9k
R7
200
R8
4.12k
R9
98.8k
R4
9.9k
ADR121 – 2.5V
400
×4
HALL
ELEMENT
VOUT = 2.5V +
× MAGNETIC FIELD (mT)
55mV
mT
07527-
052
+
–
+
–
VSY
–
+
VSY
AD862x
–
+
C3
0.1F
TO 10F
C2
0.1F
C1
1F TO 10F
NOTES
1. USE MATCHED RESISTORS FOR IN-AMP.
2. FOR INFORMATION ON C1, C2, AND C3, REFER TO ADR121 DATA SHEET.
Figure 57. Hall Sensor Signal Conditioning
相關PDF資料 |
PDF描述 |
|---|---|
| ICL7612DCPAZ | IC OPAMP 1.4MHZ CMOS LP 8-DIP |
| EL5111IYEZ | IC AMP SGL R-R 60MHZ 8-HMSOP |
| AD8042AN | IC OPAMP VF R-R DUAL LP 8DIP |
| Y16361K00000T9W | RES 1K OHM .1W .01% FOIL 0603 |
| Y16070R50000F9W | RES .5 OHM .5W 1% FOIL SMD |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AD8624ARUZ | 功能描述:IC OPAMP GP R-R QUAD 14TSSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:1 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉換速率:0.028 V/µs 增益帶寬積:105kHz -3db帶寬:- 電流 - 輸入偏壓:3nA 電壓 - 輸入偏移:100µV 電流 - 電源:3.3µA 電流 - 輸出 / 通道:12mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 12 V，±1.35 V ~ 6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:14-TSSOP 包裝:剪切帶 (CT) 其它名稱:OP481GRUZ-REELCT |
| AD8624ARUZ | 制造商:Analog Devices 功能描述:OPERATIONAL AMPLIFIER (OP-AMP) IC |
| AD8624ARUZ-RL | 功能描述:IC OPAMP GP R-R QUAD 14TSSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:50 系列:- 放大器類型:J-FET 電路數(shù):2 輸出類型:- 轉換速率:13 V/µs 增益帶寬積:3MHz -3db帶寬:- 電流 - 輸入偏壓:65pA 電壓 - 輸入偏移:3000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):7 V ~ 36 V，±3.5 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 供應商設備封裝:8-PDIP 包裝:管件 |
| AD8625 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Precision Low Power Single-Supply JFET Amplifier |
| AD8625_13 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Precision Low Power Single-Supply JFET Amplifiers |
發(fā)布緊急采購，3分鐘左右您將得到回復。