OPA688M

UNITY GAINSTABLE WIDEBAND

VOLTAGE LIMITING AMPLIFIER

SGLS144B − APRIL 2003 − DECEMBER 2006

3

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

electrical characteristics, VCC = ±5 V, VICM = 0 V, RL = 500 Ω, limiter pins open (unless otherwise

noted) (see Note 1)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

AC Performance (see Figure 1)

VO < 0.2 Vp-p,

G = +1,

RF = 25 Ω

450

Small signal bandwidth

VO < 0.2 Vp-p,

G = +2

215

MHz

Small signal bandwidth

VO < 0.2 Vp-p,

G = −1

215

MHz

Gain-bandwidth product (G

w 5)

VO < 0.2 Vp-p

250

MHz

Bandwidth for 0.1 dB gain flatness

VO = 0.2 V

30

MHz

Gain peaking

G = +1,

VO < 0.2 Vp-p,

RF = 25 Ω

11

dB

Large signal bandwidth

VO = 4 Vp-p,

VH = −VL = 2.5 V

145

MHz

Slew rate

4 V step,

VH = −VL = 2.5 V

1000

V/

µs

Rise and fall time

0.2 V step

1.9

ns

Settling time to 0.05%

2 V step

8

ns

Spurious free dynamic range

VO = 2 Vp-p,

f = 5 MHz

66

dB

Differential gain

RL = 500 Ω,

NTSC, PAL

0.02

%

Differential phase

RL = 500 Ω,

NTSC, PAL

0.01

°

Input noise, voltage noise density

f

w 1 MHz

6.3

nV/

√Hz

Input noise, current noise density

f

w 1 MHz

2

pA/

√Hz

DC Performance

Open-loop voltage gain (AVOL)

VO = ±0.5 V

TA = 25°C

46

52

dB

Open-loop voltage gain (AVOL)

VO = ±0.5 V

TA = Full range

43

dB

Input offset voltage (VIO)

TA = 25°C

±2

±8

mV

Input offset voltage (VIO)

TA = Full range

±11

mV

Input bias current (IIB) (See Note 2)

TA = 25°C

±6

±12

A

Input bias current (IIB) (See Note 2)

TA = Full range

±20

µA

Input offset current (IIO)

TA = 25°C

±0.3

±2

A

Input offset current (IIO)

TA = Full range

±4

µA

Input

Common-mode rejection ratio

VICM = ±0.5 V,

Input referred

TA = 25°C

50

57

dB

Common-mode rejection ratio

(CMRR)

VICM = ±0.5 V,

Input referred

TA = Full range

47

dB

Common-mode input voltage range

TA = 25°C

±3.2

±3.3

V

Common-mode input voltage range

(VICR) (See Note 3)

TA = Full range

±3.1

V

Input impedance, differential mode

0.4

1

M

Ω

pF

Input impedance, common mode

1

1

M

Ω

pF