OPA634, OPA635

3

SBOS097A

OPA634U, N

OPA635U, N

TYP

GUARANTEED

0

–40

MIN/

TEST

PARAMETER

CONDITIONS

+25

+25

+85

UNITS

AC PERFORMANCE (Figure 2)

Small-Signal Bandwidth

110

77

65

58

MHz

min

B

39

24

20

19

MHz

min

B

16

12

10

8

MHz

min

B

Gain Bandwidth Product

G

≥ +10

150

100

85

80

MHz

min

B

Peaking at a Gain of +1

5

———

dB

typ

C

Slew Rate

1V Step

215

160

123

82

V/

µsmin

B

Rise Time

0.5V Step

2.8

4.3

4.5

6.3

ns

max

B

Fall Time

0.5V Step

3.0

4.4

4.6

6.0

ns

max

B

Settling Time to 0.1%

1V Step

14

30

32

38

ns

max

B

Spurious Free Dynamic Range

65

56

52

47

dBc

min

B

Input Voltage Noise

f > 1MHz

5.6

6.2

7.3

7.7

nV/

√Hz

max

B

Input Current Noise

f > 1MHz

2.8

3.7

4.2

4.4

pA/

√Hz

max

B

DC PERFORMANCE

Open-Loop Voltage Gain

67

61

57

53

dB

min

A

Input Offset Voltage

1.5

4

5

6

mV

max

A

Average Offset Voltage Drift

———

46

µV/°C

max

B

Input Bias Current

25

45

59

64

µA

max

A

Input Offset Current

0.6

2

2.3

4

µA

max

A

Input Offset Current Drift

———

40

nA/

°C

max

B

INPUT

Least Positive Input Voltage

–0.25

–0.1

–0.05

–0.01

V

max

B

Most Positive Input Voltage

1.8

1.6

1.55

1.5

V

min

A

Common-Mode Rejection (CMRR)

Input Referred

75

65

62

59

dB

min

A

Input Impedance

Differential-Mode

10 || 2.1

——

—

k

Ω || p

typ

C

Common-Mode

400 || 1.2

——

—

k

Ω || p

typ

C

OUTPUT

Least Positive Output Voltage

0.035

0.043

0.045

0.06

V

max

A

0.06

0.16

0.19

0.43

V

max

A

Most Positive Output Voltage

2.9

2.86

2.85

2.45

V

min

A

2.8

2.70

2.69

2.65

V

min

A

Current Output, Sourcing

45

35

30

12

mA

min

A

Current Output, Sinking

65

30

27

10

mA

min

A

Short Circuit Current (output shorted to either supply)

100

———

mA

typ

C

Closed-Loop Output Impedance

Figure 2, f < 100kHz

0.2

——

—

Ω

typ

C

DISABLE (OPA635 only)

On Voltage (device enabled Low)

1.0

0.5

0.5

0.5

V

max

A

Off Voltage (device disabled High)

1.8

1.9

2.1

2.2

V

min

A

On Disable Current (DIS pin)

66

100

110

110

µA

max

A

Off Disable Current (DIS pin)

0

———

µA

typ

C

Disabled Quiescent Current

0

30

40

50

µA

max

A

Disable Time

100

———

ns

typ

C

Enable Time

60

———

ns

typ

C

Off Isolation

f = 5MHz, Input to Output

70

———

dB

typ

C

POWER SUPPLY

Minimum Operating Voltage

—

2.7

2.7

2.7

V

min

B

Maximum Operating Voltage

—

10.5

10.5

10.5

V

max

A

Maximum Quiescent Current

10.8

11.5

11.8

12

mA

max

A

Minimum Quiescent Current

10.8

10.1

8.6

8.0

mA

min

A

Power Supply Rejection Ratio (PSRR)

Input Referred

50

49

45

44

dB

min

A

THERMAL CHARACTERISTICS

Specification: U, N

–40 to +85

°C

typ

C

Thermal Resistance

U

SO-8

125

°C/W

typ

C

N

SOT23-5, SOT23-6

150

°C/W

typ

C

NOTE: (1) Test Levels: (A) 100% tested at 25

°C. Over temperature limits by characterization and simulation. (B) Limits set by characterization and simulation.

(C) Typical value only for information.