Focus Enhancements FS456 Data Sheet
FS453/4 AND FS455/6
DATA SHEET: HARDWARE REFERENCE
Parameter Conditions
Min
Typ
Max
Unit
Scalable LVTTL (1.5 to 3.3V) Outputs
I
I
OH
(3.3V)
Output Current, Logic HIGH
-12.0
mA
I
OL
(3.3V)
Output Current, Logic LOW
12.0
mA
V
OH
(3.3V)
Output Voltage, HIGH
I
OH
= -12mA
2.4
V
V
OL
(3.3V)
Output Voltage, LOW
I
OL
= 12mA
0.4
V
I
OH
(2.5V)
Output Current, Logic HIGH
-8.0
mA
I
OL
(2.5V)
Output Current, Logic LOW
8.0
mA
V
OH
(2.5V)
Output Voltage, HIGH
I
OH
= -8mA
2.0
V
V
OL
(2.5V)
Output Voltage, LOW
I
OL
= 8mA
0.4
V
I
OH
(1.8V)
Output Current, Logic HIGH
-4.0
mA
I
OL
(1.8V)
Output Current, Logic LOW
4.0
mA
V
OH
(1.8V)
Output Voltage, HIGH
I
OH
= -4mA
1.2
V
V
OL
(1.8V)
Output Voltage, LOW
I
OL
= 4mA
0.40
V
I
OH
(1.5V)
Output Current, Logic HIGH
-4.0
mA
I
OL
(1.5V)
Output Current, Logic LOW
4.0
mA
V
OH
(1.5V)
Output Voltage, HIGH
I
OH
= -4mA
1.0
V
V
OL
(1.5V)
Output Voltage, LOW
I
OL
= 4mA
0.40
V
Analog
R
R
IREF
DAC Current Reference Resistor R
l
= 37.5
Ω
549
Ω
I
FS
DAC Output Current
R
FS_ADJ
= 549
Ω 34.8 mA
P
SSR
DAC Supply Rejection Ratio
Freq. < 10 kHz
40
45
dB
K
MATCH
DAC to DAC Current Match
All DACs On
- 2.5
+ 2.5
%
V
OC
Video Output Compliance
0
1.4
V
C
OUT
Video Output Capacitance
C
OUT
= 0 mA,
Freq. = 1 MHz
20 pF
Table 7: Electrical Characteristics
JANUARY, 2005, VERSION 3.0
26
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©2003-4 FOCUS ENHANCEMENTS, INC.
FOCUS Enhancements Semiconductor