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| 型號(hào)： | AD8270ACPZ-WP |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 1/20頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP DIFF 20MHZ DUAL 16LFCSP |
| 標(biāo)準(zhǔn)包裝： | 64 |
| 放大器類型： | 差分 |
| 電路數(shù)： | 2 |
| 輸出類型： | 滿擺幅 |
| 轉(zhuǎn)換速率： | 30 V/µs |
| 增益帶寬積： | 20MHz |
| 電流 - 輸入偏壓： | 500pA |
| 電壓 - 輸入偏移： | 450µV |
| 電流 - 電源： | 2.3mA |
| 電流 - 輸出 / 通道： | 100mA |
| 電壓 - 電源，單路/雙路(±)： | 5 V ~ 36 V，±2.5 V ~ 18 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-VQFN 裸露焊盤，CSP |
| 供應(yīng)商設(shè)備封裝： | 16-LFCSP-VQ |
| 包裝： | 托盤 - 晶粒 |
| 產(chǎn)品目錄頁(yè)面： | 773 (CN2011-ZH PDF) |
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Precision Dual-Channel,
Difference Amplifier
AD8270
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
2008 Analog Devices, Inc. All rights reserved.
FEATURES
With no external resistors
Difference amplifier: gains of 0.5, 1, or 2
Single ended amplifiers: over 40 different gains
Set reference voltage at midsupply
Excellent ac specifications
15 MHz bandwidth
30 V/μs slew rate
High accuracy dc performance
0.08% maximum gain error
10 ppm/°C maximum gain drift
80 dB minimum CMRR (G = 2)
Two channels in small 4 mm × 4 mm LFCSP
Supply current: 2.5 mA per channel
Supply range: ±2.5 V to ±18 V
APPLICATIONS
Instrumentation amplifier building blocks
Level translators
Automatic test equipment
High performance audio
Sine/Cosine encoders
GENERAL DESCRIPTION
The AD8270 is a low distortion, dual-channel amplifier with
internal gain setting resistors. With no external components,
it can be configured as a high performance difference amplifier
with gains of 0.5, 1, or 2. It can also be configured in over 40 single-
ended configurations, with gains ranging from 2 to +3.
The AD8270 is the first dual-difference amplifier in the small
4 mm × 4 mm LFCSP. It requires the same board area as a typical
single-difference amplifier. The smaller package allows a 2×
increase in channel density and a lower cost per channel, all
with no compromise in performance.
The AD8270 operates on both single and dual supplies and
requires only 2.5 mA maximum supply current for each ampli-
fier. It is specified over the industrial temperature range of
40°C to +85°C and is fully RoHS compliant.
FUNCTIONAL BLOCK DIAGRAM
1
–IN1A
2
–IN2A
3
+IN2A
4
+IN1A
11 –IN2B
12 –IN1B
10 +IN2B
9+IN1B
5
R
E
F
1A
6
R
E
F
2A
7
R
E
F
2B
8
R
E
F
1B
15
O
U
TA
16
+
V
S
14
O
U
T
B
13
–V
S
0
69
79
-00
1
AD8270
_
+
10k
20k
_
+
Figure 1.
Table 1. Difference Amplifiers by Category
High
Speed
High
Voltage
Single-Supply
Unidirectional
Single-Supply
Bidirectional
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| AD8271 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Power, Wide Supply Range, Low Cost Difference Amplifiers, |
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| AD8271ARMZ-RL | 功能描述:IC AMP PGA 15MHZ LDIST 10MSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 放大器類型:電壓反饋 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:33 V/µs 增益帶寬積:20MHz -3db帶寬:30MHz 電流 - 輸入偏壓:2nA 電壓 - 輸入偏移:3000µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 16.5 V，±2.25 V ~ 8.25 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SOIC 包裝:帶卷 (TR) |
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