ADA4500-2 datasheet(2/4 Pages) AD

Part #	ADA4500-2

Description	8.7MHz, 15nV/?숰z, Rail-to-Rail I/O

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Preliminary Technical

Data

ADA4500

-2

Rev. PrA

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rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No

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Fax: 781.461.3113

SPECIFICATIONS

ELECTRICAL CHARACTERISTICS; VS = 2.7V

VS = 2.7 V, VCM = Vs/2, TA = 25°C, RL = 10kΩ, CL = 30 pF, unless otherwise specified.

Table 1.

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

INPUT CHARACTERISTICS

Offset Voltage

VOS

0 V < VCM < 2.7 V

150

μV

Input Bias Current

IB

1

10

pA

−40°C < TA < +125°C

600

pA

Input Offset Current

IOS

0.5

1

pA

−40°C < TA < +125°C

100

pA

Input Voltage Range

−40°C < TA < +125°C

(V-) -0.3

(V+) + 0.3

V

Common-Mode Rejection Ratio

CMRR

VCM = V- to V+

100

110

dB

−40°C < TA < +125°C

100

dB

Large Signal Voltage Gain

AVO

(V-) + 0.05 < VOUT < (V+) - 0.05

110

130

dB

−40°C < TA < +125°C

105

dB

Offset Voltage Drift

V

OS

/

T

−40°C < TA < +125°C

0.2

5

μV/°C

Input Capacitance

Common-Mode Input Capacitance

3

pF

Differential Input Capacitance

2

pF

Input Impedance

TBD

M

Ω

OUTPUT CHARACTERISTICS

Output Voltage High

VOH

RL = 10 kΩ to GND

2.95

2.97

V

RL = 2 kΩ to GND

2.90

2.95

V

Output Voltage Low

VOL

RL = 10 kΩ to VS

10

50

mV

RL = 2 kΩ to VS

25

100

mV

Short Circuit Limit

ISC

+20/-40

mA

POWER SUPPLY

Power Supply Rejection Ratio

PSRR

VS = 2.7 V to 5.5 V

100

110

dB

−40°C to +125°C

100

dB

Supply Current/Amplifier

ISY

VO = VS /2

1.35

1.6

mA

−40°C < TA < +125°C

1.9

mA

DYNAMIC PERFORMANCE

Slew Rate

SR

4.7

V/μs

Gain Bandwidth Product

GBP

8.6

MHz

Phase Margin

ФM

55

Degrees

NOISE PERFORMANCE

Total Harmonic Distortion + Noise

THD+N

VS = 2.7 V, G= +1,

f = 20Hz to 20kHz

0.002

%

Peak-to-Peak Noise

en p-p

f = 0.1 to 10 Hz

1.1

μV p-p

Voltage Noise Density

en

f = 1 kHz

15

nV/√Hz

Current Noise Density

in

f = 1 kHz

0.5

fA/√Hz

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