MAX4257EUA Просмотр технического описания (PDF) - Maxim Integrated

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MAX4257EUA

SOT23 / Single-Supply / Low-Noise / Low-Distortion / Rail-to-Rail Op Amps

Maxim Integrated 

SOT23, Single-Supply, Low-Noise,

Low-Distortion, Rail-to-Rail Op Amps

Typical Operating Characteristics (continued)

(VDD = +5V, VSS = 0V, VCM = VOUT = VDD/2, input noise floor of test equipment = 10nV/√Hz for all distortion measurements,

TA = +25°C, unless otherwise noted.)

MAX4249/MAX4255–MAX4257

TOTAL HARMONIC DISTORTION

PLUS NOISE vs. FREQUENCY

0.1

VOUT = 2.75Vp-p

FILTER BW = 80kHz

VDD = 3V

AV = +100, R1 = 1kΩ

VDD = 5V

0.01

AV = +10, R1 = 11kΩ

VDD = 3V

MAX4250–MAX4254

TOTAL HARMONIC DISTORTION

PLUS NOISE vs. FREQUENCY

0.1

FILTER BW = 80kHz

AV = +1

RL = 1kΩ

VOUT = 2Vp-p

0.01

RL TO VDD/2

RL TO GND

MAX4250–MAX4254

LARGE-SIGNAL PULSE RESPONSE

MAX4249 TOC29

1.5V

VOUT

200mV/

div

R1 100kΩ

VOUT

RL = 10kΩ

VDD = 5V

0.001

RL TO VDD

0.5V

VDD = 3V

RL = 10kΩ

CL = 100pF

VIN = 1V PULSE

0.001

10

100

1k

10k

0.0001

10

100

1k

10k

2µs/div

FREQUENCY (Hz)

FREQUENCY (Hz)

MAX4250–MAX4254

SMALL-SIGNAL PULSE RESPONSE

MAX4249 TOC30

0.6V

MAX4249/MAX4255/MAX4256/MAX4257

LARGE-SIGNAL PULSE RESPONSE

MAX4249 TOC31

2V

VOUT

20mV/

div

0.5V

VDD = 3V

RL = 10kΩ

CL = 100pF

VIN = 100mV PULSE

2µs/div

MAX4249/MAX4255/MAX4256/MAX4257

SMALL-SIGNAL PULSE RESPONSE

MAX4249 TOC32

1.6V

VOUT

50mV/div

1.5V

VDD = 3V

RL = 10kΩ

CL = 100pF

VIN = 10mV PULSE

AV = +10

2µs/div

VOUT

200mV/

div

1V

VDD = 3V

RL = 10kΩ

CL = 100pF

VIN = 100mV PULSE

AV = +10

2µs/div

MAX4252/MAX4253/MAX4254

CHANNEL SEPARATION vs. FREQUENCY

140

130

120

110

100

90

80

70

0

1k

10k

100k

1M

10M

FREQUENCY (Hz)

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