Datasheet

© 2007 Fairchild Semiconductor Corporation www.fairchildsemi.com
FSA1259 / FSA1259A Rev. 1.0.6 7
FSA1259 / FSA1259A — Low-Voltage, 1Ω SPST Analog Switch with Power-Off Isolation
Typical Performance Characteristics
0.10
0.20
0.30
0.40
0.50
0.60
0.70
0.80
0.90
1.00
1.10
-1.00 0.00 1.00 2.00 3.00 4.00 5.00
V
IN
(V)
R
ON
(Ohms)
-40°C
25°C
85°C
0.40
0.50
0.60
0.70
0.80
0.90
1.00
1.10
1.20
1.30
1.40
-1.00 0.00 1.00 2.00 3.00 4.00
V
IN
(V)
R
ON
(Ohms)
-40°C
25°C
85°C
Figure 3. On Resistance (V
CC
=4.5V) Figure 4. On Resistance (V
CC
=3.0V)
0.40
0.50
0.60
0.70
0.80
0.90
1.00
1.10
1.20
1.30
1.40
1.50
1.60
-0.50 0.00 0.50 1.00 1.50 2.00 2.50 3.00
V
IN
(V)
R
ON
(Ohms)
-40°C
25°C
85°C
V
IN
(V)
R
ON
(Ohms)
0.00
2.00
4.00
6.00
8.00
10.00
12.00
14.00
-0.50 0.00 0.50 1.00 1.50 2.00
-40°C
25°C
85°C
Figure 5. On Resistance (V
CC
=2.3V) Figure 6. On Resistance (V
CC
=1.65V)
0
-8
-7
-6
-5
-4
-3
-2
-1
1 10 100 1000 10000
Frequency (MHz)
Gain (dB)
0
-8
-7
-6
-5
-4
-3
-2
-1
1
10 100 1000 10000
Frequency (MHz)
Gain (dB)
Figure 7. Frequency Response (V
CC
=5.5V, C
L
=0pF) Figure 8. Frequency Response (V
CC
=3.3V, C
L
=0pF)
-90
-70
-50
-30
-10
0 1 10 100
Frequency (MHz)
Off Isolation (dB)
0.0000
0.0005
0.0010
0.0015
0.0020
0.0025
0.0030
0.0035
0.0040
10 100 1000 10000
Frequency (MHz)
THD (
%
)
V
CC
=1.8V
V
CC
=5.0V
Figure 9. Frequency Response (V
CC
=5.0V, C
L
=0pF) Figure 10. Total Harmonic Distortion