Data Sheet

AD8027/AD8028

SPECIFICATIONS

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Rev. E | 6 of 27

Table 3. (Continued)

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

Input Current Noise

f = 100 kHz

1.6

pA/√Hz

Differential Gain Error

NTSC, G = +2, RL = 150 Ω

0.15

%

Differential Phase Error

NTSC, G = +2, RL = 150 Ω

0.20

Degrees

Crosstalk, Output to Output

G = +1, RL = 100 Ω, VOUT = 2 V p-p, VS = 3 V at 1 MHz

−89

dB

DC PERFORMANCE

Input Offset Voltage

DISABLE/SELECT = tristate or open, PNP active

200

800

µV

AD8028W only: TMIN to TMAX

850

µV

DISABLE/SELECT = high NPN active

240

900

µV

AD8028W only: TMIN to TMAX

900

µV

Input Offset Voltage Drift

TMIN to TMAX

2

µV/°C

Input Bias Current1

VCM = 1.5 V, NPN active

4

6

µA

TMIN to TMAX

4

µA

AD8028W only: TMIN to TMAX

6

µA

VCM = 1.5 V, PNP active

−8

−11

µA

TMIN to TMAX

−8

µA

AD8028W only: TMIN to TMAX

−11

µA

Input Offset Current

AD8028W only: TMIN to TMAX

±0.1

±0.9

µA

Open-Loop Gain

VOUT = 1 V to 2 V, AD8028W only: TMIN to TMAX

90

100

dB

INPUT CHARACTERISTICS

Input Impedance

6

MΩ

Input Capacitance

2

pF

Input Common-Mode Voltage Range

RL = 1 kΩ

−0.2 to +3.2

V

Common-Mode Rejection Ratio

VCM = 0 V to 1.5 V

88

100

dB

AD8028W only: TMIN to TMAX

78

dB

DISABLE/SELECT PIN

Selection Input Voltage

Crossover Low

TMIN to TMAX

2.0

V

Crossover High2

Tristate < ±20 µA, TMIN to TMAX

1.1 to 1.3

V

Disable Input Voltage

TMIN to TMAX

0.4

V

Disable Switching Speed

50% of input to <10% of final VOUT

1150

ns

Enable Switching Speed

50

ns

OUTPUT CHARACTERISTICS

Output Overdrive Recovery Time(Rising/Falling

Edge)

VIN = −4 V to +1 V, G = −1

55/55

ns

Output Voltage Swing

AD8028W only: TMIN to TMAX

0.07 to 2.93

0.03 to 2.97

V

Short-Circuit Current

Sinking and sourcing

72

mA

Off Isolation

VIN = 0.2 V p-p, f = 1 MHz, DISABLE/SELECT = low

−49

dB

Capacitive Load Drive

30% overshoot

20

pF

POWER SUPPLY

Operating Range

2.7

12

V

Quiescent Current per Amplifier

6.0

8.0

mA

AD8028W only: TMIN to TMAX

9

mA

Quiescent Current per Amplifier (Disabled)

DISABLE/SELECT = low

300

420

µA

AD8028W only: TMIN to TMAX

420

µA

Power Supply Rejection Ratio

VS ± 1 V, AD8028W only: TMIN to TMAX

88

100

dB

1 No sign or a plus sign indicates current into the pin; a minus sign indicates current out of the pin.

2 It is recommended to float the DISABLE/SELECT pin for crossover high mode.