參數資料
| 型號： | AD8022ARZ-REEL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 1/17頁 |
| 文件大小： | 0K |
| 描述： | IC OPAMP VF DUAL LN LP 8SOIC |
| 設計資源： | AD7266 SAR ADC in DC-Coupled Differential and Single-Ended Appls (CN0039) AD7265 in Differential and Single-Ended Configurations Using AD8022 (CN0048) |
| 標準包裝： | 1,000 |
| 放大器類型： | 電壓反饋 |
| 電路數： | 2 |
| 轉換速率： | 50 V/µs |
| -3db帶寬： | 130MHz |
| 電流 - 輸入偏壓： | 2.5µA |
| 電壓 - 輸入偏移： | 1500µV |
| 電流 - 電源： | 4mA |
| 電流 - 輸出 / 通道： | 55mA |
| 電壓 - 電源，單路/雙路(±)： | 4.5 V ~ 26 V，±2.25 V ~ 13 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） |
| 供應商設備封裝： | 8-SO |
| 包裝： | 帶卷 (TR) |
Dual High Speed,
Low Noise Op Amp
Data Sheet
Rev. C
InformationfurnishedbyAnalogDevicesisbelievedtobeaccurateandreliable.However,no
responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
licenseisgrantedbyimplicationorotherwiseunderanypatentorpatentrightsofAnalogDevices.
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
2011 Analog Devices, Inc. All rights reserved.
FEATURES
Low power amplifiers provide low noise and low distortion,
ideal for xDSL modem receiver
Wide supply range: +5 V, ±2.5 V to ±12 V voltage supply
Low power consumption: 4.0 mA/Amp
Voltage feedback
Ease of Use
Lower total noise (insignificant input current noise
contribution compared to current feedback amps)
Low noise and distortion
2.5 nV/√Hz voltage noise @ 100 kHz
1.2 pA/√Hz current noise
MTPR < 66 dBc (G = +7)
SFDR 110 dB @ 200 kHz
High speed
130 MHz bandwidth (3 dB), G = +1
Settling time to 0.1%, 68 ns
50 V/μs slew rate
High output swing: ±10.1 V on ±12 V supply
Low offset voltage, 1.5 mV typical
APPLICATIONS
Receiver for ADSL, VDSL, HDSL, and proprietary
xDSL systems
Low noise instrumentation front end
Ultrasound preamps
Active filters
16-bit ADC buffers
FUNCTIONAL BLOCK DIAGRAM
AD8022
1
2
3
4
8
7
6
5
OUT1
–IN1
+IN1
–VS
+VS
OUT2
–IN2
+IN2
01053-
001
–
+
–
+
Figure 1.
GENERAL DESCRIPTIONS
The AD8022 consists of two low noise, high speed, voltage
feedback amplifiers. Each amplifier consumes only 4.0 mA of
quiescent current, yet has only 2.5 nV/√Hz of voltage noise.
These dual amplifiers provide wideband, low distortion
performance, with high output current optimized for stability
when driving capacitive loads. Manufactured on ADI’s high
voltage generation of XFCB bipolar process, the AD8022
operates on a wide range of supply voltages. The AD8022 is
available in both an 8-lead MSOP and an 8-lead SOIC. Fast over
voltage recovery and wide bandwidth make the AD8022 ideal as
the receive channel front end to an ADSL, VDSL, or proprietary
xDSL transceiver design.
In an xDSL line interface circuit, the AD8022’s op amps can be
configured as the differential receiver from the line transformer
or as independent active filters.
FREQUENCY (Hz)
(pA/
Hz,
nV/
H
z)
100
10
1
10
10M
1M
100k
10k
1k
100
01053-002
iN (pA/ Hz)
eN (nV/ Hz)
Figure 2. Current and Voltage Noise vs. Frequency
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