参数资料
| 型号： | AD8032BRZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/20页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP VF R-R DUAL LP 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： | 35 V/µs |
| -3db带宽： | 80MHz |
| 电流 - 输入偏压： | 450nA |
| 电压 - 输入偏移： | 500µV |
| 电流 - 电源： | 900µA |
| 电流 - 输出 / 通道： | 15mA |
| 电压 - 电源，单路/双路(±)： | 2.7 V ~ 12 V，±1.35 V ~ 6 V |
| 工作温度： | -40°C ~ 85°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 |
2.7 V, 800 μA, 80 MHz
Rail-to-Rail I/O Amplifiers
Data Sheet
Rev. G
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother
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
2014 Analog Devices, Inc. All rights reserved.
FEATURES
Low power
Supply current 800 μA/amplifier
Fully specified at +2.7 V, +5 V, and ±5 V supplies
High speed and fast settling on 5 V
80 MHz, 3 dB bandwidth (G = +1)
30 V/μs slew rate
125 ns settling time to 0.1%
Rail-to-rail input and output
No phase reversal with input 0.5 V beyond supplies
Input CMVR extends beyond rails by 200 mV
Output swing to within 20 mV of either rail
Low distortion
62 dB @ 1 MHz, VO = 2 V p-p
86 dB @ 100 kHz, VO = 4.6 V p-p
Output current: 15 mA
High grade option: VOS (maximum) = 1.5 mV
APPLICATIONS
High speed, battery-operated systems
High component density systems
Portable test instruments
A/D buffers
Active filters
High speed, set-and-demand amplifiers
GENERAL DESCRIPTION
The AD8031 (single) and AD8032 (dual) single-supply, voltage
feedback amplifiers feature high speed performance with
80 MHz of small signal bandwidth, 30 V/μs slew rate, and 125 ns
settling time. This performance is possible while consuming less
than 4.0 mW of power from a single 5 V supply. These features
increase the operation time of high speed, battery-powered
systems without compromising dynamic performance.
The products have true single-supply capability with rail-to-rail
input and output characteristics and are specified for +2.7 V, +5 V,
and ±5 V supplies. The input voltage range can extend to 500 mV
beyond each rail. The output voltage swings to within 20 mV of
each rail providing the maximum output dynamic range.
The AD8031/AD8032 also offer excellent signal quality for only
800 μA of supply current per amplifier; THD is 62 dBc with a
2 V p-p, 1 MHz output signal, and –86 dBc for a 100 kHz,
4.6 V p-p signal on +5 V supply. The low distortion and fast
settling time make them ideal as buffers to single-supply ADCs.
CONNECTION DIAGRAMS
NC 1
–IN 2
+IN 3
–VS 4
NC
8
+VS
7
OUT
6
NC
5
NC = NO CONNECT
AD8031
+
–
01056
-001
OUT1 1
–IN1 2
+IN1 3
–VS 4
+VS
8
OUT2
7
–IN2
6
+IN2
5
AD8032
+–
01
05
6-
0
02
Figure 1. 8-Lead PDIP (N) and
SOIC_N (R)
Figure 2. 8-Lead PDIP (N),
SOIC_N (R), and MSOP (RM)
VOUT 1
+IN 3
–VS 2
+VS
5
–IN
4
AD8031
+
–
01
05
6
-00
3
Figure 3. 5-Lead SOT-23 (RJ-5)
Operating on supplies from +2.7 V to +12 V and dual supplies
applications, from battery-operated systems with large bandwidth
requirements to high speed systems where component density
requires lower power dissipation. The AD8031/AD8032 are
available in 8-lead PDIP and 8-lead SOIC_N packages and
operate over the industrial temperature range of 40°C to
+85°C. The AD8031A is also available in the space-saving
8-lead MSOP package.
2s/DIV
1V
/D
IV
VIN =4.85Vp-p
01
05
6-
00
4
1V
/D
IV
2s/DIV
VOUT =4.65Vp-p
G= +1
01
05
6-005
Figure 4. Input VIN
Figure 5. Output VOUT
VIN
+5V
1k
1.7pF
+2.5V
VOUT
+
–
01
05
6-
00
6
Figure 6. Rail-to-Rail Performance at 100 kHz
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