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AD8560 Schematic ( PDF Datasheet ) - Analog Devices

Teilenummer AD8560
Beschreibung Rail-to-Rail Buffer Amplifier
Hersteller Analog Devices
Logo Analog Devices Logo 




Gesamt 12 Seiten
AD8560 Datasheet, Funktion
www.DataSheet4U.com
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FEATURES
Single-Supply Operation: 4.5 V to 16 V
Dual-Supply Capability from ؎2.25 V to ؎8 V
Input Capability Beyond the Rails
Rail-to-Rail Output Swing
Continuous Output Current: 35 mA
Peak Output Current: 250 mA
Offset Voltage: 10 mV Max
Slew Rate: 8 V/s
Stable with 1 F Loads
Supply Current
APPLICATIONS
LCD Reference Drivers
Portable Electronics
Communications Equipment
GENERAL DESCRIPTION
The AD8560 is a low cost, five-channel, single-supply buffer
amplifier with rail-to-rail input and output capability. The AD8560
is optimized for LCD monitor applications.
These LCD buffers have high slew rates, a 35 mA continuous
output drive, and high capacitive load drive capability. They have
wide supply range and offset voltages below 10 mV.
The AD8560 is specified over the –40°C to +85°C temperature
range. They are available on tape and reel in a 16-lead LFCSP.
16 V Rail-to-Rail
Buffer Amplifier
AD8560
BLOCK DIAGRAM
V+
IN A 1
IN B 2
IN C 3
IN D 4
IN E 5
10 OUT A
9 OUT B
8 OUT C
7 OUT D
6 OUT E
GND
16-Lead LFCSP
(CP Suffix)
IN A 1
IN B 2
IN C 3
IN D 4
PIN 1
INDICATOR
AD8560
TOP VIEW
12 OUT A
11 OUT B
10 OUT C
9 OUT D
NC = NO CONNECT
REV. 0
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. 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 companies.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2002






AD8560 Datasheet, Funktion
AD8560
10
5
1k
0 10k
؊5
؊10
؊15
؊20
TA = 25؇C
VS = 8V
VIN = 50mV rms
CL = 40pF
AV = 1
560
150
؊25
؊30
؊35
؊40
100k
1M 10M
FREQUENCY – Hz
100M
TPC 13. Frequency Response vs. Resistive Loading
25
TA = 25؇C
20 VS = 8V
VIN = 50mV rms
15 RL = 10k
AV = 1
10
5
50pF
0
؊5
؊10
1040pF
100pF
؊15
540pF
؊20
؊25
100k
1M 10M
FREQUENCY – Hz
100M
TPC 14. Frequency Response vs. Capacitive Loading
500
450
400
350
300 VS = 4.5V
250
200
150
100
50 VS = 16V
0
100
1k
10k 100k 1M 10M
FREQUENCY – Hz
TPC 15. Closed-Loop Output Impedance vs. Frequency
18
16
TA = 25؇C
14 VS = 16V
AV = 1
12 RL = 10k
DISTORTION < 1%
10
8
6
4
2
0
10 100 1k 10k 100k 1M 10M
FREQUENCY – Hz
TPC 16. Closed-Loop Output Swing vs. Frequency
160
140
TA = 25؇C
VS = 16V
120
100
80
+PSRR
60
40
؊PSRR
20
0
؊20
؊40
100
1k
10k 100k 1M 10M
FREQUENCY – Hz
TPC 17. Power Supply Rejection Ratio vs. Frequency
160
140
TA = 25؇C
VS = 4.5V
120
100
+PSRR
80
60 ؊PSRR
40
20
0
؊20
؊40
100
1k 10k 100k 1M
FREQUENCY – Hz
10M
TPC 18. Power Supply Rejection Ratio vs. Frequency
–6– REV. 0

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