ACA2604RS29P8 参数 Datasheet PDF下载

ACA2604

Performance data on this page measured using application circuit with input photodiode, as shown in Figure 15.

Figure 6: Gain Flatness to Best Fit Line Over Temperature

(V

CC

= + 5 V, V

AGC

= +3.0 V)

2

1.5

1

Gain Flaness (dB)

0.5

Temperature

0

0

-0.5

100

200

300

400

500

600

700

800

900

1000

+85C

+25C

-40C

-1

-1.5

-2

Frequency (MHz)

Table 5: Gain Flatness to Best Fit Line

(V

AGC

= +3.0 V)

Temp (

o

C)

85

25

-40

Tilt (dB)

3.7

4.5

5.1

Flatness (dB)

1.3

1.0

0.9

The best fit line is calculated

using the least mean squares

method:

y

=

m

⋅

x

+

b

m

=

x

⋅

y

(

x

⋅

y

)

−

∑ ∑

∑

∑

x

b

=

n

2

−

n

(

∑

x

)

2

n

∑

y

−

m

⋅

∑

x

n

Data Sheet - Rev 2.1

11/2008

7