AD548_02 datasheet(2/12 Pages) AD

Il numero della parte	AD548

Spiegazioni elettronici	Precision, Low Power BiFET Op Amp

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Produttore elettronici	AD [Analog Devices]

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AD548–SPECIFICATIONS

AD548J

AD548K/B

Parameter

Min

Typ

Max

Min

Typ

Max

Unit

INPUT OFFSET VOLTAGE1

Initial Offset

0.75

2.0

0.3

0.5

mV

TMIN to TMAX

3.0/3.0/3.0

0.7/0.8

mV

vs. Temperature

20

5

µV/°C

vs. Supply

80

86

dB

vs. Supply, TMIN to TMAX

76/76/76

80

dB

Long-Term Offset Stability

15

µV/Month

INPUT BIAS CURRENT

Either Input

2, V

CM = 0

5

20

3

10

pA

Either Input2 at TMAX, VCM = 0

0.45/1.3/20

0.25/0.65

nA

Max Input Bias Current Over

Common-Mode Voltage Range

30

15

pA

Offset Current, VCM = 0

5

10

2

5

pA

Offset Current at TMAX

0.25/0.65/10

0.15/0.35

nA

INPUT IMPEDANCE

Differential

1

× 1012 31 × 1012 3

Ω pF

Common Mode

3

× 1012 33 × 1012 3

Ω pF

INPUT VOLTAGE RANGE

Differential

3

±20

V

Common Mode

±11

±12

±11

±12

V

Common-Mode Rejection

VCM =

±10 V

76

90

82

92

dB

TMIN to TMAX

76/76/76

90

82

92

dB

VCM =

±11 V

70

84

76

86

dB

TMIN to TMAX

70/70/70

84

76

86

dB

INPUT VOLTAGE NOISE

Voltage 0.1 Hz to 10 Hz

2

µV p-p

f = 10 Hz

80

nV/

√Hz

f = 100 Hz

40

nV/

√Hz

f = 1 kHz

30

nV/

√Hz

f = 10 kHz

30

nV/

√Hz

INPUT CURRENT NOISE

f = 1 kHz

1.8

fA/

√Hz

FREQUENCY RESPONSE

Unity Gain, Small Signal

0.8

1.0

0.8

1.0

MHz

Full Power Response

30

kHz

Slew Rate, Unity Gain

1.0

1.8

1.0

1.8

V/

µs

Settling Time to

±0.01%

8

µs

OPEN LOOP GAIN

VO =

±10 V, RL ≥ 10 kΩ

300

1000

300

1000

3V/mV

TMIN to TMAX, RL

≥ 10 kΩ

300/300/300

700

300

700

V/mV

VO =

±10 V, RL ≥ 5 kΩ

150

500

150

500

V/mV

TMIN to TMAX, RL

≥ 5 kΩ

150/150/150

300

150

300

V/mV

OUTPUT CHARACTERISTICS

Voltage @ RL

≥ 10 kΩ,

±12

±13

±12

±13

V

TMIN to TMAX

±12/±12/±12

±12

Voltage @ RL

≥ 5 kΩ,

±11

±12.3

±11

±12.3

V

TMIN to TMAX

±11/±11/±11

±11

Short Circuit Current

15

mA

(@ 25 C and VS =

15 V dc unless otherwise noted.)

REV. D

–2–

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