參數資料
| 型號： | AD8137YR |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 1/33頁 |
| 文件大小： | 0K |
| 描述： | IC AMP DIFF R-R LP 20MA 8SOIC |
| 標準包裝： | 98 |
| 放大器類型： | 差分 |
| 電路數： | 1 |
| 輸出類型： | 差分，滿擺幅 |
| 轉換速率： | 450 V/µs |
| -3db帶寬： | 110MHz |
| 電流 - 輸入偏壓： | 500nA |
| 電壓 - 輸入偏移： | 700µV |
| 電流 - 電源： | 3.2mA |
| 電流 - 輸出 / 通道： | 20mA |
| 電壓 - 電源，單路/雙路(±)： | 2.7 V ~ 12 V，± 2.7 V ~ 6 V |
| 工作溫度： | -40°C ~ 125°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： | 管件 |
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Low Cost, Low Power,
Differential ADC Driver
Data Sheet
Rev. E
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother
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
Fax: 781.461.3113
2004–2012 Analog Devices, Inc. All rights reserved.
FEATURES
Fully differential
Extremely low power with power-down feature
2.6 mA quiescent supply current @ 5 V
450 A in power-down mode @ 5 V
High speed
110 MHz large signal 3 dB bandwidth @ G = 1
450 V/s slew rate
12-bit SFDR performance @ 500 kHz
Fast settling time: 100 ns to 0.02%
Low input offset voltage: ±2.6 mV max
Low input offset current: 0.45 A max
Differential input and output
Differential-to-differential or single-ended-to-differential
operation
Rail-to-rail output
Adjustable output common-mode voltage
Externally adjustable gain
Wide supply voltage range: 2.7 V to 12 V
Available in small SOIC package
Qualified for automotive applications
APPLICATIONS
ADC drivers
Automotive vision and safety systems
Automotive infotainment systems
Portable instrumentation
Battery-powered applications
Single-ended-to-differential converters
Differential active filters
Video amplifiers
Level shifters
FUNCTIONAL BLOCK DIAGRAM
04771-0-001
–IN
1
VOCM 2
VS+ 3
+OUT
4
+IN
8
PD
7
VS–
6
–OUT
5
AD8137
Figure 1.
RG = 1k
VO, dm = 0.1V p-p
FREQUENCY (MHz)
NORMALIZED
CLOSED-LOOP
GAIN
(dB)
3
2
1
0
–12
–11
–10
–9
–8
–7
–6
–5
–4
–3
–2
–1
0.1
1
10
100
1000
04771-0-002
G = 5
G = 10
G = 1
G = 2
Figure 2. Small Signal Response for Various Gains
GENERAL DESCRIPTON
The AD8137 is a low cost differential driver with a rail-to-rail
output that is ideal for driving ADCs in systems that are sensitive
to power and cost. The AD8137 is easy to apply, and its internal
common-mode feedback architecture allows its output common-
mode voltage to be controlled by the voltage applied to one pin.
The internal feedback loop also provides inherently balanced
outputs as well as suppression of even-order harmonic distortion
products. Fully differential and single-ended-to-differential gain
configurations are easily realized by the AD8137. External
feedback networks consisting of four resistors determine the
closed-loop gain of the amplifier. The power-down feature is
beneficial in critical low power applications.
The AD8137 is manufactured on Analog Devices, Inc.,
proprietary second-generation XFCB process, enabling it to
achieve high levels of performance with very low power
consumption.
The AD8137 is available in the small 8-lead SOIC package and
3 mm × 3 mm LFCSP package. It is rated to operate over the
extended industrial temperature range of 40°C to +125°C.
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