參數(shù)資料
型號(hào): AD8253ARMZ
廠(chǎng)商: Analog Devices Inc
文件頁(yè)數(shù): 14/24頁(yè)
文件大?。?/td> 0K
描述: IC AMP INST ICMOS LDRIFT 10MSOP
標(biāo)準(zhǔn)包裝: 50
系列: iCMOS®
放大器類(lèi)型: 儀表
電路數(shù): 1
轉(zhuǎn)換速率: 20 V/µs
-3db帶寬: 10MHz
電流 - 輸入偏壓: 5nA
電壓 - 輸入偏移: 150µV
電流 - 電源: 4.6mA
電流 - 輸出 / 通道: 37mA
電壓 - 電源,單路/雙路(±): ±5 V ~ 15 V
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 10-TFSOP,10-MSOP(0.118",3.00mm 寬)
供應(yīng)商設(shè)備封裝: 10-MSOP
包裝: 管件
Data Sheet
AD8253
Rev. B | Page 21 of 24
APPLICATIONS INFORMATION
DIFFERENTIAL OUTPUT
In certain applications, it is necessary to create a differential
signal. High resolution analog-to-digital converters often require a
differential input. In other cases, transmission over a long distance
can require differential signals for better immunity to interference.
Figure 61 shows how to configure the AD8253 to output a
differential signal. An op amp, the AD8675, is used in an
inverting topology to create a differential voltage. VREF sets the
output midpoint according to the equation shown in the figure.
Errors from the op amp are common to both outputs and are
thus common mode. Likewise, errors from using mismatched
resistors cause a common-mode dc offset error. Such errors are
rejected in differential signal processing by differential input
ADCs or instrumentation amplifiers.
When using this circuit to drive a differential ADC, VREF can be
set using a resistor divider from the ADC reference to make the
output ratiometric with the ADC.
SETTING GAINS WITH A MICROCONTROLLER
+15V
MICRO-
CONTROLLER
–15V
A0
A1
WR
+IN
–IN
10μF0.1F
REF
AD8253
+
DGND
06
98
3-
0
59
Figure 60. Programming Gain Using a Microcontroller
+15V
–15V
A0
A1
WR
+IN
10μF
0.1μF
10μF
0.1μF
AD8253
REF
G = 1
0.1F
4.99k
AD8675
0.1F
+15V
–15V
VREF
0V
VOUTA = VIN + VREF
2
VOUTB = –VIN + VREF
+2.5V
–2.5V
0V
+2.5V
–2.5V
0V
TIME
AMPLITUDE
0V
TIME
AMPLITUDE
+5V
–5V
AMPLITUDE
56pF
+15V
–15V
VIN
+
+
DGND
06
98
3-
0
60
Figure 61. Differential Output with Level Shift
相關(guān)PDF資料
PDF描述
AD825AR-REEL7 IC OPAMP JFET GP 26MHZ 8SOIC
AD8260ACPZ-WP IC AMP VGA DIFF LN 310MA 32LFCSP
AD8264ACPZ-R7 IC AMP VGA DIFF QUAD LN 40LFCSP
AD826AR-REEL7 IC OPAMP VF 50MHZ DUAL LP 8SOIC
AD8270ACPZ-R7 IC AMP DIFF 20MHZ DUAL 16LFCSP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD8253ARMZ1 制造商:AD 制造商全稱(chēng):Analog Devices 功能描述:10 MHz, 20 V/レs, G = 1, 10, 100, 1000 i CMOS㈢ Programmable Gain Instrumentation Amplifier
AD8253ARMZ-C 制造商:Analog Devices 功能描述:10 MHZ,20 V/?S,G = 1,10,100,1000 ICMOS? PROGRAMMABLE GAIN - Rail/Tube
AD8253ARMZ-R7 功能描述:IC AMP INST ICMOS LDRIFT 10MSOP RoHS:是 類(lèi)別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:iCMOS® 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類(lèi)型:通用 電路數(shù):4 輸出類(lèi)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(lèi)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(chēng):LM324ADTBR2G-NDLM324ADTBR2GOSTR
AD8253ARMZ-R71 制造商:AD 制造商全稱(chēng):Analog Devices 功能描述:10 MHz, 20 V/レs, G = 1, 10, 100, 1000 i CMOS㈢ Programmable Gain Instrumentation Amplifier
AD8253ARMZ-RL 功能描述:IC AMP INST ICMOS LDRIFT 10MSOP RoHS:是 類(lèi)別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:iCMOS® 標(biāo)準(zhǔn)包裝:150 系列:- 放大器類(lèi)型:音頻 電路數(shù):2 輸出類(lèi)型:- 轉(zhuǎn)換速率:5 V/µs 增益帶寬積:12MHz -3db帶寬:- 電流 - 輸入偏壓:100nA 電壓 - 輸入偏移:500µV 電流 - 電源:6mA 電流 - 輸出 / 通道:50mA 電壓 - 電源,單路/雙路(±):4 V ~ 32 V,±2 V ~ 16 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:8-TSSOP(0.173",4.40mm 寬) 供應(yīng)商設(shè)備封裝:8-TSSOP 包裝:管件