參數(shù)資料
型號(hào)： AD8397ARZ-REEL7
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 1/16頁(yè)
文件大小： 0K
描述： IC OPAMP VF R-R DUAL LN 8SOIC
標(biāo)準(zhǔn)包裝： 1,000
放大器類(lèi)型： 電壓反饋
電路數(shù)： 2
輸出類(lèi)型： 滿擺幅
轉(zhuǎn)換速率： 53 V/µs
-3db帶寬： 69MHz
電流 - 輸入偏壓： 200pA
電壓 - 輸入偏移： 1000µV
電流 - 電源： 11mA
電流 - 輸出 / 通道： 310mA
電壓 - 電源，單路/雙路(±)： 3 V ~ 24 V，±1.5 V ~ 12 V
工作溫度： -40°C ~ 85°C
安裝類(lèi)型： 表面貼裝
封裝/外殼： 8-SOIC（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 8-SO
包裝： 帶卷 (TR)
Rail-to-Rail, High Output
Current Amplifier
Rev. A
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other
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
www.analog.com
Fax: 781.461.3113
2011 Analog Devices, Inc. All rights reserved.
FEATURES
Dual operational amplifier
Voltage feedback
Wide supply range from 3 V to 24 V
Rail-to-rail output
Output swing to within 0.5 V of supply rails
High linear output current
310 mA peak into 32 Ω on ±12 V supplies while maintaining
80 dBc SFDR
Low noise
4.5 nV/√Hz voltage noise density at 100 kHz
1.5 pA/√Hz current noise density at 100 kHz
High speed
69 MHz bandwidth (G = 1, 3 dB)
53 V/μs slew rate (RLOAD = 25 Ω)
APPLICATIONS
Twisted-pair line drivers
Audio applications
General-purpose ac applications
GENERAL DESCRIPTION
The AD8397 comprises two voltage feedback operational amplifiers
capable of driving heavy loads with excellent linearity. The
common-emitter, rail-to-rail output stage surpasses the output
voltage capability of typical emitter-follower output stages and
can swing to within 0.5 V of either rail while driving a 25 Ω
load. The low distortion, high output current, and wide output
dynamic range make the AD8397 ideal for applications that
require a large signal swing into a heavy load.
Fabricated with Analog Devices, Inc., high speed extra fast
complementary bipolar high voltage (XFCB-HV) process, the
high bandwidth and fast slew rate of the AD8397 keep distortion to
a minimum. The AD8397 is available in a standard 8-lead SOIC_N
package and, for higher power dissipating applications, a thermally
enhanced 8-lead SOIC_N_EP package. Both packages can operate
from 40°C to +85°C.
PIN CONFIGURATION
OUT1
1
–IN1
2
+IN1
3
–VS 4
+VS
OUT2
–IN2
+IN2
8
7
6
5
05069-
001
Figure 1. 8-Lead SOIC
1.50
–1.50
–1.25
–1.00
–0.75
–0.50
–0.25
0
0.25
0.50
0.75
1.00
1.25
0
2
4
6
8
101214161820
05
06
9-
03
1
TIME (s)
V
OU
T
(V
)
Figure 2. Output Swing, VS = ±1.5 V, RL = 25 Ω
12
–12
–9
–6
–3
0
3
6
9
0
2
4
6
8
101214161820
050
69
-032
TIME (s)
V
OU
T
(V)
Figure 3. Output Swing, VS = ±12 V, RL = 100 Ω
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