参数资料
| 型号： | AD8028ARZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/25页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP R-R DUAL LDIST 8SOIC |
| 标准包装： | 98 |
| 放大器类型： | 电压反馈 |
| 电路数： | 2 |
| 输出类型： | 满摆幅 |
| 转换速率： | 100 V/µs |
| -3db带宽： | 190MHz |
| 电流 - 输入偏压： | 4µA |
| 电压 - 输入偏移： | 200µV |
| 电流 - 电源： | 6.5mA |
| 电流 - 输出 / 通道： | 120mA |
| 电压 - 电源，单路/双路(±)： | 2.7 V ~ 12 V，±1.35 V ~ 6 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SO |
| 包装： | 管件 |
| 产品目录页面： | 769 (CN2011-ZH PDF) |
Low Distortion, High Speed
Rail-to-Rail Input/Output Amplifiers
AD8027/AD8028
Rev. C
Information furnished by Analog Devices is believed to be accurate and reliable.
However, no responsibility is assumed by Analog Devices for its use, nor for any
infringements of patents or other rights of third parties that may result from its use.
Specifications subject to change without notice. No license is granted by implication
or otherwise under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
2005 Analog Devices, Inc. All rights reserved.
FEATURES
High speed
190 MHz, –3 dB bandwidth (G = +1)
100 V/μs slew rate
Low distortion
120 dBc @ 1 MHz SFDR
80 dBc @ 5 MHz SFDR
Selectable input crossover threshold
Low noise
4.3 nV/√Hz
1.6 pA/√Hz
Low offset voltage: 900 μV max
Low power: 6.5 mA/amplifier supply current
Power-down mode
No phase reversal: VIN > |VS| + 200 mV
Wide supply range: 2.7 V to 12 V
Small packaging: SOIC-8, SOT-23-6, MSOP-10
APPLICATIONS
Filters
ADC drivers
Level shifting
Buffering
Professional video
Low voltage instrumentation
GENERAL DESCRIPTION
The AD8027/AD80281 are high speed amplifiers with rail-to-
rail input and output that operate on low supply voltages and
are optimized for high performance and wide dynamic signal
range. The AD8027/AD8028 have low noise (4.3 nV/√Hz,
1.6 pA/√Hz) and low distortion (120 dBc at 1 MHz). In appli-
cations that use a fraction of, or the entire input dynamic range
and require low distortion, the AD8027/AD8028 are ideal
choices.
Many rail-to-rail input amplifiers have an input stage that
switches from one differential pair to another as the input signal
crosses a threshold voltage, which causes distortion. The
AD8027/AD8028 have a unique feature that allows the user to
select the input crossover threshold voltage through the
SELECT pin. This feature controls the voltage at which the
complementary transistor input pairs switch. The AD8027/
AD8028 also have intrinsically low crossover distortion.
CONNECTION DIAGRAMS
AD8027
SOT-23-6
(RT)
VOUT 1
–VS 2
+IN
3
5
6
+VS
DISABLE/SELECT
4
–IN
+–
03327-B-001
NC = NO CONNECT
NC
AD8027
SOIC-8
(R)
1
–IN
2
+IN
3
–VS 4
+VS
VOUT
NC
8
7
6
5
DISABLE/SELECT
VOUTB
–IN B
+IN B
8
7
6
5
+VS
VOUTA
AD8028
SOIC-8
(R)
1
–IN A
2
+IN A
3
–VS 4
+
–
+
VOUTB
10
9
+VS
DISABLE/SELECT B
–IN B
+IN B
8
7
6
DISABLE/SELECT A
VOUTA
AD8028
MSOP-10
(RM)
1
–IN A
2
+IN A
3
–VS 4
5
+
–
+
–
Figure 1. Connection Diagrams (Top View)
With their wide supply voltage range (2.7 V to 12 V) and wide
bandwidth (190 MHz), the AD8027/AD8028 amplifiers are
designed to work in a variety of applications where speed and
performance are needed on low supply voltages. The high per-
formance of the AD8027/AD8028 is achieved with a quiescent
current of only 6.5 mA/amplifier typical. The AD8027/AD8028
have a shutdown mode that is controlled via the SELECT pin.
The AD8027/AD8028 are available in SOIC-8, MSOP-10, and
SOT-23-6 packages. They are rated to work over the industrial
temperature range of –40°C to +125°C.
OUTPUT VOLTAGE (V p-p)
0123456789
1
–140
–120
–100
–80
–60
–40
–20
SFDR
(dB)
0
G = +1
FREQUENCY = 100kHz
RL = 1kΩ
VS = ±5V
VS = +3V
VS = +5V
03327-A-063
Figure 2. SFDR vs. Output Amplitude
1Protected by U.S. patent numbers 6,486,737B1; 6,518,842B1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD8028ARZ | 制造商:Analog Devices 功能描述:AMP LOW DISTORTION RRI/O SMD 8028 |
| AD8028ARZ-REEL | 功能描述:IC OPAMP R-R DUAL LDIST 8SOIC RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:50 系列:LinCMOS™ 放大器类型:通用 电路数:4 输出类型:- 转换速率:0.05 V/µs 增益带宽积:110kHz -3db带宽:- 电流 - 输入偏压:0.7pA 电压 - 输入偏移:210µV 电流 - 电源:57µA 电流 - 输出 / 通道:30mA 电压 - 电源，单路/双路(±):3 V ~ 16 V，±1.5 V ~ 8 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-SOIC（0.154"，3.90mm 宽） 供应商设备封装:14-SOIC 包装:管件 产品目录页面:865 (CN2011-ZH PDF) 其它名称:296-1834296-1834-5 |
| AD8028ARZ-REEL7 | 功能描述:IC OPAMP R-R DUAL LDIST 8SOIC RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:50 系列:LinCMOS™ 放大器类型:通用 电路数:4 输出类型:- 转换速率:0.05 V/µs 增益带宽积:110kHz -3db带宽:- 电流 - 输入偏压:0.7pA 电压 - 输入偏移:210µV 电流 - 电源:57µA 电流 - 输出 / 通道:30mA 电压 - 电源，单路/双路(±):3 V ~ 16 V，±1.5 V ~ 8 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-SOIC（0.154"，3.90mm 宽） 供应商设备封装:14-SOIC 包装:管件 产品目录页面:865 (CN2011-ZH PDF) 其它名称:296-1834296-1834-5 |
| AD8028WARMZ-R7 | 功能描述:Voltage Feedback Amplifier 2 Circuit Rail-to-Rail 10-MSOP 制造商:analog devices inc. 系列:- 包装:剪切带（CT） 零件状态:有效 放大器类型:电压反馈 电路数:2 输出类型:满摆幅 压摆率:100 V/μs 增益带宽积:- -3db 带宽:190MHz 电流 - 输入偏置:4μA 电压 - 输入失调:200μV 电流 - 电源:6.5mA 电流 - 输出/通道:120mA 电压 - 电源，单/双（±）:2.7 V ~ 12 V，±1.35 V ~ 6 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商器件封装:10-MSOP 标准包装:1 |
| AD8029 | 制造商:AD 制造商全称:Analog Devices 功能描述:Low Power, High Speed Rail-to-Rail Input/Output Amplifier |
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