LT1783C 查看數據表（PDF） - Linear Technology

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LT1783C

1.25MHz, Over-The-Top Micropower, Rail-to-Rail Input and Output Op Amp in SOT-23

Linear Technology 

LT1783

TYPICAL PERFORMANCE CHARACTERISTICS

Undistorted Output Swing

vs Frequency

12

VS = ±5V

10

8

Total Harmonic Distortion + Noise

vs Frequency

1

VS = 3V, 0V

VOUT = 2VP-P

VCM = 1.2V

0.1 RL = 10k

Total Harmonic Distortion + Noise

vs Load Resistance

1

VS = 3V TOTAL

AV = 1

0.1

VS = ±1.5V

VIN = ±1V

VIN = 2VP-P AT 1kHz

6

4

VS = ±2.5V

2

DISTORTION ≤ 1%

AV = 1

0

100

1k

10k

FREQUENCY (Hz)

0.010

0.001

0.0001

100k

10

1783 G23

AV = –1

AV = 1

100

1k

10k

FREQUENCY (Hz)

100k

1783 G24

0.01

0.001

VS = 3V, 0V

VIN = 0.5V TO 2.5V

VS = 3V, 0V

VIN = 0.2V TO 2.2V

0.0001

100

1k

10k

100k

LOAD RESISTANCE TO GROUND (Ω)

1783 G25

Total Harmonic Distortion + Noise

vs Output Voltage Amplitude

10

AV = –1

RF = RG = 100k

1

VS = ±1.5V

VCM = 0V

AV = –1

RF = RG = 100k

0.1

VS = 3V, 0V

VCM = 1.5V

0.01

0.001

0

AV = 1

VS = 3V, 0V

VCM = 1.5V

AV = 1

VS = ±1.5V

VCM = 0V

1

2

3

OUTPUT VOLTAGE AMPLITUDE (VP-P)

1783 G26

Large-Signal Response

Open-Loop Gain

RL = 2k

RL = 10k

RL = 50k

VS = ±5V

–6 –5 –4 –3 –2 –1 0 1 2 3 4 5 6

OUTPUT VOLTAGE (V)

1783 G27

Supply Current

vs SHDN Pin Voltage

275

250

225

200

175

150

125

100

75

50

25

0

0

TA = 125°C

VS = 5V, 0V

TA = 25°C

TA = –55°C

0.5

1

1.5

2

2.5

SHUTDOWN PIN VOLTAGE (V)

1783 G28

Small-Signal Response

VS = ±5V

AV = 1

CL = 15pF

10

1783 G29

VS = ±5V

AV = 1

CL = 15pF

1783 G30

1783fd

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