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HFA1149EVAL

450MHz, Low Power, Video Operational Amplifier with Programmable Output Disable

Intersil 

HFA1149

Electrical Specifications VSUPPLY = ±5V, AV = +2, RF = 250Ω, RL = 100Ω, Unless Otherwise Specified (Continued)

PARAMETER

TEST CONDITIONS

(NOTE 3)

TEST

LEVEL

TEMP.

(oC)

MIN TYP MAX

Input Noise Voltage Density (Note 5)

f = 100kHz

B

25

-

4

-

Non-Inverting Input Noise Current Density

(Note 5)

f = 100kHz

B

25

-

2.4

-

Inverting Input Noise Current Density

(Note 5)

f = 100kHz

B

25

-

40

-

TRANSFER CHARACTERISTICS

Open Loop Transimpedance Gain (Note 5)

B

25

-

500

-

Minimum Stable Gain

B

Full

-

1

-

AC CHARACTERISTICS

-3dB Bandwidth

(VOUT = 0.2VP-P, Note 5)

AV = -1, RF = 200Ω

B

25

300 375

-

B

Full

290 360

-

AV = +1, +RS = 700Ω

B

25

280 330

-

B

Full

260 320

-

AV = +2

B

25

390 450

-

B

Full

350 410

-

Gain Peaking

AV = +2, VOUT = 0.2VP-P

B

25

-

0

0.2

B

Full

-

0

0.5

Gain Flatness

(AV = +2, VOUT = 0.2VP-P, Note 5)

To 125MHz

B

25

-1.0 -0.45

-

B

Full

-1.1 -0.45

-

To 200MHz

B

25

-1.6 -0.75

-

B

Full

-1.7 -0.75

-

To 250MHz

B

25

-1.9 -0.85

-

B

Full

-2.2 -0.85

-

Gain Flatness

To 125MHz

AV = +1, +RS = 700Ω, VOUT = 0.2VP-P (Note 5)

B

25

±0.3 ±0.1

-

B

Full

±0.4 ±0.1

-

To 200MHz

B

25

±0.8 ±0.35

-

B

Full

±0.9 ±0.35

-

To 250MHz

B

25

±1.3 ±0.6

-

B

Full

±1.4 ±0.6

-

OUTPUT CHARACTERISTICS

Output Voltage Swing, Unloaded

(Note 5)

AV = -1, RL = ∞

A

25

±3 ±3.2

-

A

Full

±2.8 ±3

-

Output Current

(Note 5)

AV = -1, RL = 75Ω

A

25, 85

±33 ±36

-

A

-40

±30 ±33

-

Output Short Circuit Current

Closed Loop Output Resistance (Note 5)

Second Harmonic Distortion

(VOUT = 2VP-P, Note 5)

AV = -1

DC, AV = +1, Enabled

20MHz

60MHz

B

25

-

120

-

B

25

-

0.05

-

B

25

-

-55

-

B

25

-

-57

-

Third Harmonic Distortion

(VOUT = 2VP-P, Note 5)

20MHz

60MHz

B

25

-

-68

-

B

25

-

-60

-

Reverse Isolation (S12)

TRANSIENT CHARACTERISTICS

30MHz

B

25

-

-65

-

Rise and Fall Times

VOUT = 0.5VP-P

B

25

-

1.1 1.3

B

Full

-

1.1 1.4

UNITS

nV/√Hz

pA/√Hz

pA/√Hz

kΩ

V/V

MHz

MHz

MHz

MHz

MHz

MHz

dB

dB

dB

dB

dB

dB

dB

dB

dB

dB

dB

dB

dB

dB

V

V

mA

mA

mA

Ω

dBc

dBc

dBc

dBc

dB

ns

ns

3

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