ADA4961

Data Sheet

Rev. C | Page 4 of 24

NOISE/HARMONIC PERFORMANCE

VS = 5 V, HP mode, RS = 100 Ω differential, RL = 50 Ω differential, TA = 25°C, f = 500 MHz, VO = 1.2 V p-p (or 0.6 V p-p per tone for two tone

IMD3), LC filter connected, unless otherwise noted.

Table 2.

Parameter

Test Conditions/Comments

3.3 V Supply, Low

Power Mode

Operation1

5.0 V Supply, High

Performance

Mode Operation

Min

Typ

Max

Min

Typ

Max

Unit

AC PERFORMANCE, 100 MHz

Second Harmonic (HD2)

Maximum gain

−75

−81

dBc

Minimum gain

−76

−80

dBc

Third Harmonic (HD3)

Maximum gain

−85

−88

dBc

Minimum gain

−88

−88

dBc

Third-Order Intermodulation

Distortion (IMD3)

VOUT = 1.2 V p-p composite (2 MHz

spacing)

Maximum gain

−100

−100

dBc

Minimum gain

−95

−100

dBc

1 dB Compression Point (OP1dB)

AV = 15 dB

17.2

18.8

dBm

Noise Figure (NF)

AV = 15 dB

6.0

5.8

dB

Noise Density Referred to Output

(RTO)

AV = 15 dB

−154

−154

dBm/Hz

AC PERFORMANCE, 500 MHz

Second Harmonic (HD2)

Maximum gain

−77

−80

dBc

Minimum gain

−82

−85

dBc

Third Harmonic (HD3)

Maximum gain

−75

−81

dBc

Minimum gain

−75

−82

dBc

Third-Order Intermodulation

Distortion (IMD3)

VOUT = 1.2 V p-p composite (2 MHz

spacing)

Maximum gain

−90

−90

dBc

Minimum gain

−95

−90

dBc

1 dB Compression Point (OP1dB)

AV = 15 dB

17.8

19.3

dBm

Noise Figure (NF)

AV = 15 dB

5.8

5.6

dB

Noise Density Referred to Output

(RTO)

AV = 15 dB

−154

−154

dBm/Hz

AC PERFORMANCE, 1 GHz

Second Harmonic (HD2)

Maximum gain

−83

−84

dBc

Minimum gain

−83

−80

dBc

Third Harmonic (HD3)

Maximum gain

−78

−83

dBc

Minimum gain

−77

−83

dBc

Third-Order Intermodulation

Distortion (IMD3)

VOUT = 1.2 V p-p composite (2 MHz

spacing)

Maximum gain

−87

−90

dBc

Minimum gain

−86

−92

dBc

1 dB Compression Point (OP1dB)

AV = 15 dB

18.1

21.1

dBm

Noise Figure (NF)

AV = 15 dB

5.6

5.5

dB

Noise Density Referred to Output

(RTO)

AV = 15 dB

−154

−154

dBm/Hz

AC PERFORMANCE, 1.5 GHz

Second Harmonic (HD2)

Maximum gain

−73

−76

dBc

Minimum gain

−75

−77

dBc

Third Harmonic (HD3)

Maximum gain

−75

−75

dBc

Minimum gain

−75

−75

dBc