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AD8631ARTADIN/a14avai1.8 V, 5 MHz Rail-to-Rail Low Power Operational Amplifiers
AD8631ARTADN/a5824avai1.8 V, 5 MHz Rail-to-Rail Low Power Operational Amplifiers
AD8631ARTANALOGN/a25700avai1.8 V, 5 MHz Rail-to-Rail Low Power Operational Amplifiers
AD8632ARADIN/a7avai1.8 V, 5 MHz Rail-to-Rail Low Power Operational Amplifiers


AD8631ART ,1.8 V, 5 MHz Rail-to-Rail Low Power Operational Amplifiersapplications. The 3 V/µ s slew rate makes the AD8631/AD8632 agood match for driving ASIC inputs, su ..
AD8631ART ,1.8 V, 5 MHz Rail-to-Rail Low Power Operational AmplifiersGENERAL DESCRIPTIONThe AD8631 brings precision and bandwidth to the SOT-23-58OUT A 1 V+package at s ..
AD8631ART ,1.8 V, 5 MHz Rail-to-Rail Low Power Operational AmplifiersCHARACTERISTICSOutput Voltage Swing High V I = 100 µ A 2.165 VOH LI = 750 µ A 1.9 VLOutput Voltage ..
AD8631ART-REEL ,1.8 V, 5 MHz Rail-to-Rail Low Power Operational Amplifiersapplications. The 3 V/µ s slew rate makes the AD8631/AD8632 agood match for driving ASIC inputs, su ..
AD8632AR ,1.8 V, 5 MHz Rail-to-Rail Low Power Operational AmplifiersCHARACTERISTICSOutput Voltage Swing High V I = 100 µ AOH L–40C ≤ T ≤ +125C 4.965 VAI = 1 mA 4.7 V ..
AD8638ARZ-REEL7 , 16 V Auto-Zero, Rail-to-Rail Output Operational Amplifiers
ADS1244 ,Low-Power/ 24-Bit ANALOG-TO-DIGITAL CONVERTERFEATURES DESCRIPTIONThe ADS1244 is a 24-bit, delta-sigma Analog-to-Digital (A/D)* 20-BIT EFFECTIVE ..
ADS1244IDGSR ,Low-Power/ 24-Bit ANALOG-TO-DIGITAL CONVERTERMAXIMUM RATINGSELECTROSTATICAVDD to GND ........ –0.3V to +6V DISCHARGE SENSITIVITYDVDD to GND .... ..
ADS1244IDGSRG4 ,24-Bit 15sps Delta-Sigma ADC with 50 & 60Hz rejection 10-VSSOP -40 to 85.PIN CONFIGURATION PIN DESCRIPTIONSPINTop View MSOPNUMBER NAME DESCRIPTION1 GND Analog and Digital ..
ADS1244IDGST ,Low-Power/ 24-Bit ANALOG-TO-DIGITAL CONVERTERTYPICAL CHARACTERISTICSAt T = +25°C, AVDD = +5V, DVDD = +3V, f = 2.4576MHz, and V = +2.5V, unless o ..
ADS1245IDGSR ,Brown Corporation - Low-Power, 24-Bit Analog-to-Digital Converter
ADS1245IDGSR ,Brown Corporation - Low-Power, 24-Bit Analog-to-Digital Converter


AD8631ART-AD8632AR
1.8 V, 5 MHz Rail-to-Rail Low Power Operational Amplifiers
REV.0
1.8 V, 5 MHz Rail-to-Rail
Low Power Operational Amplifiers
PIN CONFIGURATIONS
5-Lead SOT-23
(RT Suffix)
8-Lead SOIC
(R Suffix)
8-Lead �SOIC
(RM Suffix)

FEATURES
Single Supply Operation: 1.8 V to 6 V
Space-Saving SOT-23, �SOIC Packaging
Wide Bandwidth: 5 MHz @ 5 V, 4 MHz @ 1.8 V
Low Offset Voltage: 4 mV Max, 0.8 mV typ
Rail-to-Rail Input and Output Swing
2 V/�s Slew Rate @ 1.8 V
Only 225 �A Supply Current @ 1.8 V
APPLICATIONS
Portable Communications
Portable Phones
Sensor Interface
Active Filters
PCMCIA Cards
ASIC Input Drivers
Wearable Computers
Battery-Powered Devices
New Generation Phones
Personal Digital Assistants
GENERAL DESCRIPTION

The AD8631 brings precision and bandwidth to the SOT-23-5
package at single supply voltages as low as 1.8 V and low supply
current. The small package makes it possible to place the AD8631
next to sensors, reducing external noise pickup.
The AD8631 and AD8632 are rail-to-rail input and output bipolar
amplifiers with a gain bandwidth of 4 MHz and typical voltage
offset of 0.8 mV from a 1.8 V supply. The low supply current and
the low supply voltage makes these parts ideal for battery-powered
applications. The 3 V/µs slew rate makes the AD8631/AD8632 a
good match for driving ASIC inputs, such as voice codecs.
The AD8631/AD8632 is specified over the extended industrial
(–40�C to +125�C) temperature range. The AD8631 single is
available in 5-lead SOT-23 surface-mount packages. The dual
AD8632 is available in 8-lead SOIC and µSOIC packages.
AD8631/AD8632–SPECIFICATIONS
ELECTRICAL CHARACTERISTICS

Specifications subject to change without notice.
(VS = 5 V, V– = 0 V, VCM = 2.5 V, TA = 25�C unless otherwise noted)
AD8631/AD8632
ELECTRICAL CHARACTERISTICS

OUTPUT CHARACTERISTICS
Specifications subject to change without notice.
(VS = 2.2 V, V– = 0 V, VCM = 1.1 V, TA = 25�C unless otherwise noted)
AD8631/AD8632–SPECIFICATIONS
ELECTRICAL CHARACTERISTICS

DYNAMIC PERFORMANCE
Specifications subject to change without notice.
(VS = 1.8 V, V– = 0 V, VCM = 0.9 V, TA = 25�C unless otherwise noted)
ABSOLUTE MAXIMUM RATINGS1
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 V
Input Voltage2 . . . . . . . . . . . . . . . . . . . . . . . . . . . GND to VS
Differential Input Voltage . . . . . . . . . . . . . . . . . . . . . .±0.6 V
Internal Power Dissipation
SOT-23 (RT) . . . . . . . . . . . .See Thermal Resistance Chart
SOIC (R) . . . . . . . . . . . . . . .See Thermal Resistance Chart
µSOIC (RM) . . . . . . . . . . . .See Thermal Resistance Chart
Output Short-Circuit Duration . . . . . . . . . . . . . . . .Indefinite
Storage Temperature Range
R, RM, and RT Packages . . . . . . . . . . . . .–65�C to +150�C
Operating Temperature Range
AD8631, AD8632 . . . . . . . . . . . . . . . . . .–40�C to +125�C
Junction Temperature Range
R, RM, and RT Packages . . . . . . . . . . . . .–65�C to +150�C
Lead Temperature Range (Soldering, 60 sec) . . . . . . . .300�C
NOTESStresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other conditions above those listed in the operational sections
of this specification is not implied. Exposure to absolute maximum rating condi-
tions for extended periods may affect device reliability.For supply voltages less than 6 V the input voltage is limited to the supply voltage.
NOTEθJA is specified for worst-case conditions, i.e., θJA is specified for device soldered
in circuit board for SOT-23 and SOIC packages.
QUANTITY OF AMPLIFIERS–2–101234
CAUTION

ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000V readily
accumulate on the human body and test equipment and can discharge without detection.
Although the AD8631/AD8632 features proprietary ESD protection circuitry, permanent dam-
age may occur on devices subjected to high energy electrostatic discharges. Therefore, proper
ESD precautions are recommended to avoid performance degradation or loss of functionality.
ORDERING GUIDE

NOTESAvailable in 3,000-piece reels only.Available in 2,500-piece reels only.
AD8631/AD8632
– Typical Characteristics
TEMPERATURE – �C
SUPPLY CURRENT

�502550100
250

�25075
Figure 3.Supply Current per Amplifier vs. Temperature

COMMON-MODE VOLTAGE – V
150

�150
100

�50
�1003�2
INPUT BIAS CURRENT
nA
012
Figure 4.Input Bias Current vs. Common-Mode Voltage

Figure 5.Output Voltage to Supply Rail vs. Load Current
Figure 6.Open-Loop Gain vs. Frequency

FREQUENCY – Hz100M1k
CLOSED-LOOP GAIN
dB
�40
�20
10010k100k10M

�10
�30
Figure 7.Closed-Loop Gain vs. Frequency

FREQUENCY – Hz1k
CMRR
dB100
10010k100k10M

Figure 8.CMRR vs. Frequency
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