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參數資料
| 型號： | AD8138 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Low Distortion Differential I/O Amplifier(小失真差分輸入/輸出放大器) |
| 中文描述： | 低失真差分I / O放大器（小失真差分輸入/輸出放大器） |
| 文件頁數： | 1/3頁 |
| 文件大小： | 25K |
| 代理商： | AD8138 |
This information applies to a product under development. Its characteristics and specifications are subject to change without notice. Analog Devices assumes no obligation regarding
future manufacturing unless otherwise agreed to in writing. Patents pending.
a
Low Distortion
Differential I/O Amplifier
AD8138
Advanced Technical Data
PRODUCT FEATURES
Differential Inputs, Differential Outputs
Programmable Output Common Mode Voltage
Externally Programmable Gain
+5V or +/-5V Supplies
Unity Gain BW 500MHz
Worst Harmonic
-110dBc @ 1MHz into 500
Load
-95dBc @ 20MHz into 500
Load
-3dB Bandwidth of 500MHz, G= +1
5nS Settling time to 0.01%
Slew Rate 1300V/us
Overdrive recovery time less than 20ns
Input Voltage Noise 5 nV/
√
Hz
1mV Typical Offset
0.1dB Gain Flatness to >50MHz
Available in 8 Pin SOIC, 8 Pin Micro-SOIC
-
VOUTCM
V+
V
-
VOUT N
VOUT P
VIN N
VIN P
+
1
2
3
4
5
6
7
8
NC
AD8138
APPLICATIONS
ADC Driver
Single Ended to Differential Converter
Communications Gain Block
Buffer
Line Driver
PRODUCT DESCRIPTION
The AD8138 is a low distortion differential input/output
amplifier, with -3dB bandwidth of 500MHz.
Manufactured on ADI's proprietary XFCB bipolar
process, the AD8138 delivers 2Vp-p differential signal
with a highest harmonic of -110dBc at 1MHz. With a
minimum Iout of 50mA, the AD8138 also provides
settling times of less than 5ns into 500 Ohm loads. In
addition to exceptional AC performance, the AD8138 has
a typical offset of 1mV.
The AD8138s’ differential output helps balance the input
to differential ADCs, suppressing the second harmonics
and preserving the DC information- without the added
footprint and expense of a transformer. The common
mode of the differential output can be voltage
programmable, easily adding DC to bipolar input signals
for driving single supply ADCs. A wideband common
mode feedback circuit maintains the gain of both
differential outputs, independent of the feedback resistor
match. Fast recovery of the outputs from overdrive
prevents losing accurate samples from the ADCs.
The AD8138 distortion performance makes it an ideal
ADC driver for Communications, with THD performance
good enough to drive 12 to 16 bit converters at high
frequencies. The AD8138s’ high bandwidth and IP3
performs well in communications signal chains as an IF
gain block. Its offset and dynamic performance position it
well for Instrumentation applications.
The AD8138 is offered in two package options: an 8-Pin
SOIC and a 8-Pin Micro-SOIC, both of which operate
over the industrial temperature range of -40
°C
to +85
°C
.
Rev B 4/8/98
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| AD8139ARDZ-REEL | Low Noise Rail-to-Rail Differential ADC Driver |
| AD8139ARDZ-REEL7 | Low Noise Rail-to-Rail Differential ADC Driver |
| AD8139ARDZ1 | Low Noise Rail-to-Rail Differential ADC Driver |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD8138_06 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Distortion Differential ADC Driver |
| AD81380703L | 制造商:Analog Devices 功能描述: |
| AD8138AAR-EBZ | 功能描述:BOARD EVAL FOR AD8138AAR RoHS:是 類別:編程器，開發系統 >> 評估板 - 運算放大器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- |
| AD8138AARMZ | 功能描述:IC DIFF ADC DVR LOW DISTOR 8MSOP RoHS:是 類別:集成電路 (IC) >> 線性 - 放大器 - 專用 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:60 系列:- 類型:可變增益放大器 應用:CATV 安裝類型:表面貼裝 封裝/外殼:20-WQFN 裸露焊盤 供應商設備封裝:20-TQFN-EP（5x5） 包裝:托盤 |
| AD8138AARMZ-EBZ | 功能描述:放大器 IC 開發工具 AD8138 Eval Brd RoHS:否 制造商:Analog Devices 產品:Evaluation Boards 類型:Differential Amplifiers 工具用于評估:AD8138 工作電源電壓:3 V to 5 V |
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