OPA846IDBVR datasheet(8/21 Pages) TI

Part #	OPA846IDBVR

Description	Wideband, Low-Noise, Voltage-Feedback OPERATIONAL AMPLIFIER

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Manufacturer	TI [Texas Instruments]

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OPA846

8

SBOS250C

www.ti.com

TYPICAL CHARACTERISTICS: VS = ±5V (Cont.)

TA = 25°C, G = +10, RF = 453Ω, RG = 50Ω, and RL = 100Ω, unless otherwise noted.

0.25

0.20

0.15

0.10

0.05

0

–0.05

–0.10

–0.15

–0.20

–0.25

SETTLING TIME

Time (ns)

0

5

10

15

20

25

G = +10V/V

R

L = 100Ω

V

O = 2V Step

See Figure 1

83

80

77

74

71

68

65

62

PHOTODIODE TRANSIMPEDANCE

FREQUENCY RESPONSE

Frequency (MHz)

1

10

100

C

D = 100pF

R

F = 10kΩ

C

F Adjusted

C

D = 50pF

C

D = 20pF

C

D = 10pF

See Figure 4

0.25

0.20

0.15

0.10

0.05

0

–0.05

–0.10

–0.15

–0.20

–0.25

25

20

15

10

5

0

–5

–10

–15

–20

–25

TYPICAL DC DRIFT OVER TEMPERATURE

Ambient Temperature (

°C)

–50

–25

0

25

50

75

100

125

100 x I

OS

V

IO

I

b

150

140

130

120

110

100

90

80

70

20

18

16

14

12

10

8

6

4

SUPPLY AND OUTPUT CURRENT vs TEMPERATURE

Ambient Temperature (

°C)

–50

–25

0

25

50

75

100

125

Sourcing Output Current

Supply Current

Sinking Output Current

6

4

2

0

–2

–4

–6

COMMON-MODE INPUT RANGE AND OUTPUT SWING

vs SUPPLY VOLTAGE

Supply Voltage (

±V)

2.5

3.5

3.0

4.5

4.0

5.5

5.0

6.0

+V

IN

–V

IN

+V

OUT

–V

OUT

107

106

105

104

103

102

COMMON-MODE AND DIFFERENTIAL

INPUT IMPEDANCE

Frequency (Hz)

102

104

105

103

106

107

108

Common-Mode

Differential

4.7M

Ω

6.6k

Ω

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