OPA350

OPA2350

OPA4350

SBOS099C − SEPTEMBER 2000 − REVISED JANUARY 2005

www.ti.com

5

TYPICAL CHARACTERISTICS

All specifications at TA = +25°C, VS = +5V, and RL = 1kΩ connected to VS/2, unless otherwise noted.

0.1

1

160

140

120

100

80

60

40

20

0

0

−45

−90

−135

−180

Frequency (Hz)

10

100

1k

10k

100k

1M

10M 100M

G

φ

OPEN-LOOP GAIN/PHASE vs FREQUENCY

INPUT VOLTAGE AND CURRENT NOISE

SPECTRAL DENSITY vs FREQUENCY

100k

10k

1k

100

10

1

10k

1k

100

10

1

0.1

Frequency (Hz)

10

100

1k

10k

100k

1M

10M

Voltage Noise

Current Noise

TOTAL HARMONIC DISTORTION + NOISE

vs FREQUENCY

1

0.1

0.01

0.001

0.0001

Frequency (Hz)

10

100

1k

10k

100k

R

G = 100, 3V

G= 10, 3V

G = 1, 3V

Input goes through transition region

G = 1, 2.5V

Input does NOT go through transition region

POWER SUPPLY AND COMMON−MODE

REJECTION RATIO vs FREQUENCY

100

90

80

70

60

50

40

30

20

10

0

Frequency (Hz)

10

100

1k

10k

100k

1M

10M

PSRR

CMRR

(V

V

CHANNEL SEPARATION vs FREQUENCY

Frequency (Hz)

140

130

120

110

100

90

80

70

60

100

10

1k

1M

100k

10k

10M

Dual and quad devices.

HARMONIC DISTORTION + NOISE vs FREQUENCY

1

(

−40dBc)

0.1

(

−60dBc)

0.01

(

−80dBc)

0.001

(

−100dBc)

0.0001

(

−120dBc)

Frequency (Hz)

1k

10k

100k

1M

G= 1

V

3rd−Harmonic

2nd−Harmonic