MAX478 datasheet(3/12 Pages) MAXIM

Part #	MAX478

Description	17關A Max, Dual/Quad, Single-Supply, Precision Op Amps

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Manufacturer	MAXIM [Maxim Integrated Products]

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17µA Max, Dual/Quad, Single-Supply,

Precision Op Amps

_______________________________________________________________________________________

3

PARAMETER

SYMBOL

CONDITIONS

MAX478AC

MAX479AC

MIN

TYP

MAX

MAX478C/E

MAX479C/E

MIN

TYP

MAX

UNITS

Output Voltage Swing

VOUT

Output low, no load

6.5

9.0

6.5

9.0

mV

Output low, 2k

Ω to GND

0.2

0.6

0.2

0.6

Output low, ISINK = 100µA

120

160

120

160

4.2

4.4

V

Output high, 2k

Ω to GND

3.5

3.8

3.5

3.8

Slew Rate

SR

AV = +1, CL = 1pF (Note 1)

0.013 0.025

V/µs

Gain-Bandwidth Product

GBW

fO ≤ 5kHz

60

kHz

Channel Separation

∆V

IN = 3V, RL = 10kΩ

130

dB

Minimum Supply Voltage

VS

(Note 2)

2.0

2.2

2.0

2.2

V

IS

13

18

14

21

µA

Supply Current per

Amplifier

VS = ±1.5V, VO = 0V

12

17

13

20

Output high, no load

ELECTRICAL CHARACTERISTICS: 5V (continued)

(VS = 5V, 0V, VCM = 0.1V, VO = 1.4V, TA = +25°C, unless otherwise noted.)

4.2

4.4

ELECTRICAL CHARACTERISTICS: 5V

(VS = 5V, 0V, VCM = 0.1V, VO = 1.4V, TA = 0°C to +70°C, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS

MAX478AC

MAX479AC

MIN

TYP

MAX

MAX478C

MAX479C

MIN

TYP

MAX

UNITS

MAX479CS

130

400

Input Offset Voltage

VOS

MAX478ACP/CP

50

170

65

250

µV

MAX479ACP/CP

60

200

70

290

MAX478CS

120

300

Input Offset Voltage Drift

∆V

OS

∆T

MAX47_ACP/CP (Note 1)

0.5

2.2

0.6

3.0

µV/°C

MAX47_CS (Note 1)

0.8

4.5

Input Offset Current

IOS

0.06

0.35

0.06

0.50

nA

Input Bias Current

IB

36

37

nA

CMRR

VCM = 0V to 3.4V

90

101

86

100

dB

Power-Supply

Rejection Ratio

PSRR

VS = 2.5V to 12V

90

102

88

102

dB

Large-Signal

Voltage Gain

AVOL

105

500

80

500

V/mV

55

160

45

160

Output Voltage Swing

VOUT

Output low, no load

8

11

8

11

mV

Output low, ISINK = 100µA

140

190

140

190

Output high, no load

4.1

4.3

4.1

4.3

V

Output high, 2k

Ω to GND

3.3

3.8

3.3

3.8

Supply Current per Amplifier

IS

14

21

15

24

µA

Common-Mode

Rejection Ratio

VO = 0.05V to 4V, no load (Note 1)

VO = 0.05V to 3.5V, RL = 50kΩ

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