SGM8634_15 datasheet(4/20 Pages) SGMICRO

Part #	SGM8634

Description	Rail-to-Rail I/O CMOS Operational Amplifiers

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Manufacturer	SGMICRO [SG Micro Corp]

Direct Link	http://www.sg-micro.com

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470μA, 6MHz, Rail-to-Rail I/O

SGM8631/2/3/4

CMOS Operational Amplifiers

4

SG Micro Corp

www.sg-micro.com

ELECTRICAL CHARACTERISTICS: VS = +5V

(At TA = +25

℃, VCM = VS/2, RL= 600Ω, unless otherwise noted.)

SGM8631/2/3/4

TYP

MIN/MAX OVER TEMPERATURE

PARAMETER

CONDITIONS

+25

℃

+25

℃

0

℃ to

70

℃

-40

℃ to

85

℃

-40

℃ to

125

℃

UNITS

MIN/

MAX

INPUT CHARACTERISTICS

Input Offset Voltage (VOS)

0.8

3.5

3.9

4.3

4.6

mV

MAX

Input Bias Current (IB)

1

pA

TYP

Input Offset Current (IOS)

1

pA

TYP

Input Common Mode Voltage Range (VCM)

VS = 5.5V

-0.1 to

+5.6

V

TYP

Common Mode Rejection Ratio (CMRR)

VS = 5.5V, VCM = -0.1V to 4V

VS = 5.5V, VCM = -0.1V to 5.6V

90

83

73

70

65

dB

MIN

Open-Loop Voltage Gain (AOL)

RL = 600Ω,VO = 0.15V to 4.85V

RL = 10kΩ ,VO = 0.05V to 4.95V

97

108

90

87

86

79

dB

MIN

Input Offset Voltage Drift (ΔVOS/ΔT)

2.4

μV/

℃

TYP

OUTPUT CHARACTERISTICS

RL = 600Ω

0.1

V

TYP

Output Voltage Swing from Rail

RL = 10kΩ

0.015

V

TYP

Output Current (IOUT)

53

49

45

40

35

mA

MIN

Closed-Loop Output Impedance

f = 200kHz, G = 1

3

Ω

TYP

POWER-DOWN DISABLE

Turn-On Time

4

μs

TYP

Turn-Off Time

1.2

μs

TYP

DISABLE Voltage-Off

0.8

V

MAX

DISABLE Voltage-On

2

V

MIN

POWER SUPPLY

Operating Voltage Range

2.5

5.5

2.5

5.5

2.5

5.5

2.5

5.5

V

MIN

MAX

Power Supply Rejection Ratio (PSRR)

VS = +2.5V to +5.5V

VCM = (-VS) + 0.5V

91

74

72

68

dB

MIN

Quiescent Current/Amplifier (IQ)

IOUT = 0

470

650

727

750

815

μA

MAX

Supply Current when Disabled

(SGM8633 Only)

90

nA

MAX

DYNAMIC PERFORMANCE

Gain-Bandwidth Product (GBP)

RL = 10kΩ

6

MHz

TYP

Phase Margin (φO)

60

degrees

TYP

Full Power Bandwidth (BWP)

＜1% distortion, RL = 600Ω

250

kHz

TYP

Slew Rate (SR)

G = +1, 2V Step, RL = 10kΩ

3.7

V/μs

TYP

Settling Time to 0.1% (tS)

G = +1, 2V Step, RL = 600Ω

2.1

μs

TYP

Overload Recovery Time

VIN ·Gain = VS, RL = 600Ω

0.9

μs

TYP

NOISE PERFORMANCE

Voltage Noise Density (en)

f = 1kHz

12

nV/ Hz

TYP

Current Noise Density (in)

f = 1kHz

3

fA/ Hz

TYP

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