f = 750 MHz,

DC,

LMH6555

SNOSAJ1C – NOVEMBER 2006 – REVISED MARCH 2011

www.ti.com

3.3V ELECTRICAL CHARACTERISTICS

(1) (continued)

(2), V

(ALPHABETICAL ORDER) for definition of terms used throughout the datasheet. Boldface limits apply at the temperature

extremes.

Symbol

Parameter

Conditions

Units

NF

Noise Figure

Relative to a Differential Input

15.0

dB

≥10 MHz

Input Characteristics

CM Input Resistance

Each Input to Ground

45

50

55

Ω

Differential Input Resistance

Differential

66

78

100

Ω

Input Capacitance

Each Input to GND

0.3

pF

CMRR

Common Mode Rejection Ratio

−0.3 ≤ CMVR ≤ 2.0V

40

68

dB

36

Output Characteristics

Output Offset Voltage

Differential Mode

15

±50

mV

±55

Output Offset Voltage

(8)

±100

μV/°C

Average Drift

Output Resistance

43

50

53

Ω

BAL_Error_DC

Output Gain Balance Error

−57

−38

dB

BAL_Error_AC

−48

BAL_Error_AC_

Output Phase Balance Error

f = 750 MHz,

±0.6

deg

Phase

OUT

|

DC

−26

−22

dB

−21

Output CM Offset Voltage

−4

±60

mV

±85

CM Offset Voltage Temp

−0.2

mV/°C

Coefficient

0.95V

(9)

−25

±390

μA

±415

3.5

5.8

k

Ω

0.97

0.99

1.00

V/V

Power Supply

Supply Current

(10)

120

150

mA

156

PSRR

Differential Power Supply Rejection DC,

−27

−44

dB

Ratio

−25

PSRR_CM

Common Mode PSRR

DC,

−29

−39

dB

−27

(8)

Drift determined by dividing the change in parameter at temperature extremes by the total temperature change.

(9)

Positive current is current flowing into the device.

4

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