5

FN2902.7

January 16, 2006

NOTE: A small load capacitance is recommended in all applications where practical to prevent possible high frequency oscillations resulting from

external wiring parasitics. Capacitance up to 100pF has negligible effect on the bandwidth or slew rate.

FIGURE 7. REFERENCE VOLTAGE AMPLIFIER

FIGURE 8. VOLTAGE FOLLOWER

FIGURE 9. INPUT BIAS CURRENT AND OFFSET CURRENT

vs TEMPERATURE

FIGURE 10. BROADBAND NOISE CHARACTERISTICS

FIGURE 11. OPEN LOOP FREQUENCY RESPONSE

FIGURE 12. INPUT IMPEDANCE vs TEMPERATURE (100Hz)

V+

50pF (NOTE)

BAL

1

-------







+

=

+

HA-2600

-

FEATURES:

1. Minimum bias current in reference cell.

2. Short Circuit Protection.

+15V

IN

OUT

50pF (NOTE)

+

-15V

HA-2600

-

FEATURES

1.

2.

3.

Slew Rate = 4V/

µs (Min), Output Swing = ±10V (Min) to 50kHz.

15

10

5

0

-5

-10

-15

-50

-25

0

25

50

75

100 125

TEMPERATURE (°C)

BIAS

OFFSET

100

10

1

0.1

100Hz

1kHz

10kHz

100kHz

1MHz

10MHz

UPPER 3dB FREQUENCY

(LOWER 3dB FREQUENCY = 10Hz)

10k

Ω SOURCE

0

Ω SOURCE

THERMAL NOISE

EQUIVALENT INPUT

NOISE vs BANDWIDTH

OF 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

TEMPERATURE (°C)

0

-35

5

45

105

125

1000

800

600

400

200

-55

25

-15

65

85

HA-2600