5

NOTE: A small load capacitance of at least 30pF (including stray capacitance) is recommended to prevent possible high frequency oscillations.

FIGURE 3. VIDEO AMPLIFIER

50pF (NOTE)

5pF

+

BW = 1MHz

GAIN = 40dB

2.2k

Ω

22

Ω

HA- 2620

-

FIGURE 4. INPUT BIAS CURRENT AND OFFSET CURRENT

vs TEMPERATURE

FIGURE 5. BROADBAND NOISE CHARACTERISTICS

FIGURE 6. OPEN LOOP FREQUENCY RESPONSE

FIGURE 7. INPUT IMPEDANCE vs TEMPERATURE, 100Hz

15

10

5

0

-5

-10

-15

-50

-25

0

25

50

75

100

BIAS

OFFSET

100

10

1

-1

100Hz

1kHz

10kHz

100kHz

1MHz

10MHz

UPPER 3dB FREQUENCY

LOWER 3dB FREQUENCY = 10Hz

10k

Ω SOURCE

0

Ω SOURCE

THERMAL NOISE OF

EQUIVALENT INPUT

NOISE vs BANDWIDTH

10K RESISTOR

RESISTANCE

RESISTANCE

120

80

20

-20

10Hz

FREQUENCY

100

60

40

0

100Hz

1kHz

10kHz 100kHz

1MHz

10MHz 100MHz

GAIN

PHASE

0

100

20

60

180

140

0

-35

5

45

105

125

1000

800

600

400

200

-55

25

-15

65

85

HA-2620, HA-2625