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PDF ADA4665-2 Data sheet ( Hoja de datos )
| Número de pieza | ADA4665-2 | |
| Descripción | CMOS Rail-to-Rail Input/Output Operational Amplifier | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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16 V, 1 MHz, CMOS Rail-to-Rail
Input/Output Operational Amplifier
ADA4665-2
FEATURES
Lower power at high voltage: 290 μA per amplifier typical
Low input bias current: 1 pA maximum
Wide bandwidth: 1.2 MHz typical
Slew rate: 1 V/μs typical
Offset voltage drift: 3 μV/°C typical
Single-supply operation: 5 V to 16 V
Dual-supply operation: ±2.5 V to ±8 V
Unity gain stable
APPLICATIONS
Portable systems
High density power budget systems
Medical equipment
Physiological measurement
Precision references
Multipole filters
Sensors
Transimpedance amplifiers
Buffer/level shifting
GENERAL DESCRIPTION
The ADA4665-2 is a rail-to-rail input/output dual amplifier
optimized for lower power budget designs. The ADA4665-2
offers a low supply current of 400 μA maximum per amplifier
at 25°C and 600 μA maximum per amplifier over the extended
industrial temperature range. This feature makes the ADA4665-2
well suited for low power applications. In addition, the ADA4665-2
has a very low bias current of 1 pA maximum, low offset voltage
drift of 3 μV/°C, and bandwidth of 1.2 MHz. The combination of
these features, together with a wide supply voltage range from
5 V to 16 V, allows the device to be used in a wide variety of
other applications, including process control, instrumentation
equipment, buffering, and sensor front ends. Furthermore, its
rail-to-rail input and output swing adds to its versatility. The
ADA4665-2 is specified from −40°C to +125°C and is available
in standard SOIC and MSOP packages.
PIN CONFIGURATIONS
OUT A 1
8 V+
–IN A 2 ADA4665-2 7 OUT B
+IN A 3
TOP VIEW
(Not to Scale)
6 –IN B
V– 4
5 +IN B
Figure 1. 8-Lead SOIC
OUT A 1
8 V+
–IN A 2 ADA4665-2 7 OUT B
+IN A 3
TOP VIEW
(Not to Scale)
6 –IN B
V– 4
5 +IN B
Figure 2. 8-Lead MSOP
Table 1. Low Cost Rail-to-Rail Input/Output Op Amps
Supply
5V
16 V
Single
AD8541
Dual
AD8542
ADA4665-2
Quad
AD8544
Table 2. Other Rail-to-Rail Input/Output Op Amps
Supply
5V
16 V 36 V
Single
AD8603
AD8663
Dual
AD8607
AD8667
ADA4091-2
Quad
AD8609
AD8669
Rev. 0
Information furnished by Analog D evices isbelieved to beaccurate and reliable. However, n o
responsibility isassumed byAnalogDevices for its use,nor for any infringementsofpatentsorother
rights ofthirdpartiesthat may result fromitsuse. Specifications subject to change without notice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksaretheproperty oftheir respective owners.
One T echnology Way, P .O. B ox 91 06, Nor wood, MA 020 62-9106, U. S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2009 Analog Devices, Inc. All rights reserved.
http://www.Datasheet4U.com
1 page  
ABSOLUTE MAXIMUM RATINGS
Table 5.
Parameter
Supply Voltage
Input Voltage1
Input Current
Differential Input Voltage
Output Short-Circuit Duration to GND
Storage Temperature Range
Operating Temperature Range
Junction Temperature Range
Lead Temperature (Soldering, 60 sec)
Rating
16.5 V
GND − 0.3 V to VSY + 0.3 V
±10 mA
±VSY
Indefinite
−65°C to +150°C
−40°C to +125°C
−65°C to +150°C
300°C
1 The input pins have clamp diodes to the power supply pins.
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.
ADA4665-2
THERMAL RESISTANCE
θJA is specified for the worst-case conditions, that is, a device
soldered in a circuit board for surface-mount packages. This
value was measured using a 4-layer JEDEC standard printed
circuit board.
Table 6. Thermal Resistance
Package Type
8-Lead SOIC_N (R-8)
8-Lead MSOP (RM-8)
θJA
158
186
θJC
43
52
Unit
°C/W
°C/W
ESD CAUTION
Rev. 0 | Page 5 of 20
5 Page 
TA = 25°C, unless otherwise noted.
VSY = 5V
RL = 2kΩ
CL = 10pF
ADA4665-2
VSY = 16V
RL = 2kΩ
CL = 10pF
TIME (100µs/DIV)
Figure 33. Large Signal Transient Response
VSY = 5V
RL = 2kΩ
CL = 10pF
TIME (100µs/DIV)
Figure 36. Large Signal Transient Response
VSY = 16V
RL = 2kΩ
CL = 10pF
TIME (100µs/DIV)
Figure 34. Small Signal Transient Response
50
VSY = ±2.5V
0
INPUT
–50
–100
3
2
OUTPUT
1
0
TIME (20µs/DIV)
Figure 35. Positive Overload Recovery
–1
TIME (100µs/DIV)
Figure 37. Small Signal Transient Response
50
0
–50
–100
VSY = ±8V
INPUT
OUTPUT
TIME (20µs/DIV)
Figure 38. Positive Overload Recovery
10
5
0
–5
Rev. 0 | Page 11 of 20
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet ADA4665-2.PDF ] | |
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