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AD8062 Schematic ( PDF Datasheet ) - Analog Devices

Teilenummer AD8062
Beschreibung Rail-to-Rail Amplifiers
Hersteller Analog Devices
Logo Analog Devices Logo 




Gesamt 20 Seiten
AD8062 Datasheet, Funktion
Data Sheet
FEATURES
Low cost
Single (AD8061), dual (AD8062)
Single with disable (AD8063)
Rail-to-rail output swing
Low offset voltage: 6 mV
High speed
300 MHz, −3 dB bandwidth (G = 1)
650 V/µs slew rate
8.5 nV/√Hz at 5 V
35 ns settling time to 0.1% with 1 V step
Operates on 2.7 V to 8 V supplies
Input voltage range = −0.2 V to +3.2 V with VS = 5 V
Excellent video specifications (RL = 150 Ω, G = 2)
Gain flatness: 0.1 dB to 30 MHz
0.01% differential gain error
0.04° differential phase error
35 ns overload recovery
Low power
6.8 mA/amplifier typical supply current
AD8063 400 µA when disabled
APPLICATIONS
Imaging
Photodiode preamps
Professional video and cameras
Handsets
DVDs/CDs
Base stations
Filters
ADC drivers
Clock buffers
GENERAL DESCRIPTION
The AD8061/AD8062/AD8063 are rail-to-rail output voltage
feedback amplifiers offering ease of use and low cost. They have
a bandwidth and slew rate typically found in current feedback
amplifiers. All have a wide input common-mode voltage range
and output voltage swing, making them easy to use on single
supplies as low as 2.7 V.
Despite being low cost, the AD8061/AD8062/AD8063 provide
excellent overall performance. For video applications, their
differential gain and phase errors are 0.01% and 0.04° into a
Low Cost, 300 MHz
Rail-to-Rail Amplifiers
AD8061/AD8062/AD8063
CONNECTION DIAGRAMS
NC 1
–IN 2
AD8061/
AD8063
8 DISABLE
(AD8063 ONLY)
7 +VS
+IN 3
6 VOUT
–VS
4
(Not to Scale)
5
NC
NC = NO CONNECT
Figure 1. 8-Lead SOIC (R)
VOUT1 1
AD8062
8 +VS
–IN1 2
7 VOUT2
+IN1 3
6 –IN2
–VS 4
(Not to Scale)
5 +IN2
Figure 2. 8-Lead SOIC (R)/MSOP (RM)
AD8063
VOUT 1
6 +VS
VS 2
5 DISABLE
+IN 3
4 IN
(Not to Scale)
Figure 3. 6-Lead SOT-23 (RJ)
AD8061
VOUT 1
5 +VS
–VS 2
+IN 3
4 –IN
(Not to Scale)
Figure 4. 5-Lead SOT-23 (RJ)
3
RF = 50Ω
0
VO = 0.2V p-p
RL = 1kΩ
–3 VBIAS = 1V
RF = 0Ω
–6
IN
–9
RF
50Ω
VBIAS
OUT
RL
–12
1
10 100
FREQUENCY (MHz)
Figure 5. Small Signal Response, RF = 0 Ω, 50 Ω
1k
150 Ω load, along with 0.1 dB flatness out to 30 MHz. Addi-
tionally, they offer wide bandwidth to 300 MHz along with
650 V/µs slew rate.
The AD8061/AD8062/AD8063 offer a typical low power of
6.8 mA/amplifier, while being capable of delivering up to
50 mA of load current. The AD8063 has a power-down disable
feature that reduces the supply current to 400 µA. These features
make the AD8063 ideal for portable and battery-powered
applications where size and power are critical.
Rev. J
Document Feedback
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rights of third parties that may result from its use. Specifications subject to change without notice. No
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One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©1999–2013 Analog Devices, Inc. All rights reserved.
Technical Support
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AD8062 Datasheet, Funktion
AD8061/AD8062/AD8063
ABSOLUTE MAXIMUM RATINGS
Table 4.
Parameter
Supply Voltage
Internal Power Dissipation1
8-lead SOIC (R)
5-lead SOT-23 (RJ)
6-lead SOT-23 (RJ)
8-lead MSOP (RM)
Input Voltage (Common-Mode)
Differential Input Voltage
Output Short-Circuit Duration
Storage Temperature Range
R-8, RM-8, SOT-23-5, SOT-23-6
Operating Temperature Range
Lead Temperature (Soldering,
10 sec)
Rating
8V
0.8 W
0.5 W
0.5 W
0.6 W
(−VS − 0.2 V) to (+VS + 0.2 V)
±VS
Observe power derating curves
−65°C to +125°C
−40°C to +85°C
300°C
1 Specification is for device in free air.
8-Lead SOIC_N: θJA = 160°C/W; θJC = 56°C/W.
5-Lead SOT-23: θJA = 240°C/W; θJC = 92°C/W.
6-Lead SOT-23: θJA = 230°C/W; θJC = 92°C/W.
8-Lead MSOP: θJA = 200°C/W; θJC = 44°C/W.
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
Data Sheet
MAXIMUM POWER DISSIPATION
The maximum power that can be safely dissipated by the
AD8061/AD8062/AD8063 is limited by the associated rise in
junction temperature. The maximum safe junction temperature
for plastic encapsulated devices is determined by the glass
transition temperature of the plastic, approximately 150°C.
Temporarily exceeding this limit may cause a shift in parametric
performance due to a change in the stresses exerted on the die
by the package. Exceeding a junction temperature of 175°C for
an extended period can result in device failure. While the
AD8061/AD8062/AD8063 is internally short-circuit protected,
this may not be sufficient to guarantee that the maximum
junction temperature (150°C) is not exceeded under all
conditions.
To ensure proper operation, it is necessary to observe the
maximum power derating curves.
2.0
8-LEAD SOIC
PACKAGE
1.5
TJ = 150°C
1.0
0.5 MSOP
SOT-23-5, SOT-23-6
0
–50 –40 –30 –20 –10 0 10 20 30 40 50 60 70 80 90
AMBIENT TEMPERATURE (°C)
Figure 6. Maximum Power Dissipation vs. Temperature for
AD8061/AD8062/AD8063
ESD CAUTION
Rev. J | Page 6 of 20

6 Page









AD8062 pdf, datenblatt
AD8061/AD8062/AD8063
VS = 5V
RL = 1kΩ
+0.1%
–0.1%
1kΩ 1kΩ
t=0
50Ω
20ns/DIV
RL = 1kΩ
Figure 37. Output Settling Time to 0.1%
50
45 FALLING EDGE
40
35
RISING EDGE
30
25
20
15
10 VS = 5V
RL = 1kΩ
5 G = +1
0
0.5 1.0 1.5 2.0
OUTPUT VOLTAGE STEP
Figure 38. Settling Time vs. VOUT
2.5
4.86V
VS = 5V
G = –1
RF = 1kΩ
RL = 1kΩ
2.43V
0V
1V
Figure 39. Output Swing
2µs
Data Sheet
3.5V
2.5V
VS = 5V
G = +2
RL = 1kΩ
VIN = 1V p-p
1.5V
500mV/DIV
0 10 20 30 40 50 60 70 80 90 100
TIME (ns)
Figure 40. 1 V Step Response
2.6V
VS = 5V
G = +2
RL = 1kΩ
VIN = 100mV
2.5V
2.4V
20mV/DIV
0 10 20 30 40 50 60 70 80 90 100
TIME (ns)
Figure 41. 100 mV Step Response
VS = 5V
G = +2
RF = RL = 1kΩ
VIN = 4V p-p
0V
2µs/DIV
1V/DIV
Figure 42. Output Rail-to-Rail Swing
Rev. J | Page 12 of 20

12 Page





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