Datasheet

LTC2978A
14
2978afa
For more information www.linear.com/LTC2978A
TYPICAL PERFORMANCE CHARACTERISTICS
DAC Output Impedance vs
Frequency
V
OUT_EN[3:0]
and V
IN_EN
V
OL
vs Current
V
OUT_EN[7:4]
V
OL
vs Current
FREQUENCY (kHz)
0.01
OUTPUT IMPEDANCE (Ω)
10
100
1000
100
2978a G31
1
0.1
0.01
0.1
1
10
1000
I
SINK
(mA)
0
1.4
1.2
1.0
0.8
85°C
–40°C
0.6
0.4
0.2
0
6 10
2978a G32
2 4
8 12
VOLTS (V)
25°C
I
SINK
(mA)
0
0
VOLTS (V)
0.1
0.2
0.3
85°C
–40°C
0.4
0.6
4
8 12 16
2978a G33
20 24
0.5
25°C
PWRGD and FAULTBzn V
OL
vs Current ALERTB V
OL
vs Current
I
SINK
(mA)
0
0
VOLTS (V)
0.2
0.4
0.6
0.8
1.2
2
4 6 8
2978a G34
10 12
1.0
85°C
25°C
–40°C
I
SINK
(mA)
0
1.4
1.2
1.0
0.8
85°C
–40°C
0.6
0.4
0.2
0
6 10
2978a G35
2 4
8
12
VOLTS (V)
25°C