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ADA4505-2ARMZ-RL Datasheet(PDF) 1 Page - Analog Devices

Part # ADA4505-2ARMZ-RL
Description  10 關A, Rail-to-Rail I/O, Zero Input Crossover Distortion Amplifiers
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADA4505-2ARMZ-RL Datasheet(HTML) 1 Page - Analog Devices

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10 μA, Rail-to-Rail I/O, Zero Input
Crossover Distortion Amplifiers
ADA4505-1/ADA4505-2/ADA4505-4
Rev. D
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
www.analog.com
Fax: 781.461.3113
©2008–20
10 Analog Devices, Inc. All rights reserved.
supplies.
FEATURES
PSRR: 100 dB minimum
CMRR: 105 dB typical
Very low supply current: 10 μA per amplifier maximum
1.8V to 5V single-supply or ±0.9V to ±2.5V dual-supply operation
Rail-to-rail input and output
3 mV offset voltage maximum
Very low input bias current: 0.5 pA typical
APPLICATIONS
Pressure and position sensors
Remote security
Medical monitors
Battery-powered consumer equipment
Hazard detectors
GENERAL DESCRIPTION
The ADA4505-1/ADA4505-2/ADA4505-4 are single, dual, and
quad micropower amplifiers featuring rail-to-rail input and output
swings while operating from a single 1.8 V to 5 V power supply
or from dual ±0.9 V to ±2.5 V power supplies.
Employing a new circuit technology, these low cost amplifiers
offer zero input crossover distortion (excellent PSRR and CMRR
performance) and very low bias current, while operating with a
supply current of less than 10 μA per amplifier.
This combination of features makes the ADA4505-x amplifiers
ideal choices for battery-powered applications because they
minimize errors due to power supply voltage variations over the
lifetime of the battery and maintain high CMRR even for a rail-
to-rail op amp.
Remote battery-powered sensors, handheld instrumentation
and consumer equipment, hazard detectors (for example, smoke,
fire, and gas), and patient monitors can benefit from the features
of the ADA4505-x amplifiers.
The ADA4505-x family is specified for both the industrial
temperature range (−40°C to +85°C) and the extended industrial
temperature range (−40°C to +125°C). The ADA4505-1 single
amplifier is available in a tiny 5-lead SOT-23 and a 6-ball WLCSP.
The ADA4505-2 dual amplifier is available in a standard 8-lead
MSOP and a 8-ball WLCSP. The ADA4505-4 quad amplifier is
available in a 14-lead TSSOP and a 14-ball WLCSP.
The ADA4505-x family is a member of a growing series of zero
crossover op amps offered by Analog Devices, Inc., including
the AD8505/AD8506/AD8508, which also operate from a single
1.8 V to 5 V power supply or from dual ±0.9 V to ±2.5 V power
PIN CONFIGURATIONS
OUT 1
+IN 3
V– 2
V+
5
–IN
4
ADA4505-1
TOP VIEW
(Not to Scale)
OUT A 1
–IN A 2
+IN A 3
V– 4
V+
8
OUT B
7
–IN B
6
+IN B
5
ADA4505-2
TOP VIEW
(Not to Scale)
Figure 1. 5-Lead SOT-23 (RJ-5)
Figure 2. 8-Lead MSOP (RM-8)
OUT
V+
V–
+IN
–IN
TOP VIEW
(BALL SIDE DOWN)
Not to Scale
A1
A2
B1
B2
C1
C2
BALL A1
INDICATOR
NC
ADA4505-1
NC = NO CONNECT
ADA4505-2
TOP VIEW
(BALL SIDE DOWN)
BALL A1
CORNER
OUT B
V+
OUT A
A1
A2
A3
+IN B
V–
+IN A
C1
C2
C3
–IN B
–IN A
B1
B3
Figure 3. 6-Ball WLCSP (CB-6-7)
Figure 4. 8-Ball WLCSP (CB-8-2)
ADA4505-4
1
2
3
4
5
6
7
–IN A
+IN A
V+
OUT B
–IN B
+IN B
OUT A
14
13
12
11
10
9
8
–IN D
+IN D
V–
OUT C
–IN C
+IN C
OUT D
TOP VIEW
(Not to Scale)
ADA4505-4
TOP VIEW
(BALL SIDE DOWN)
Not to Scale
C1
C3
A1
B1
D1
E1
A2
B2
D2
E2
A3
B3
D3
E3
BALL A1
INDICATOR
OUT D
OUT A
–IN A
–IN D
V–
+IN A
+IN D
+IN B
+IN C
V+
–IN B
–IN C
OUT C
OUT B
Figure 5. 14-Lead TSSOP (RU-14)
Figure 6. 14-Ball WLCSP (CB-14-1)


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