Linear Technology LTC6804-1 - Page 15

LTC6804-1/LTC6804-2
15
680412fc
For more information www.linear.com/LTC6804-1
Typical perForMance characTerisTics
isoSPI Driver Current Gain
(Port A/PortB) vs Temperature
isoSPI Driver Common Mode
Voltage (Port A/Port B) vs Pulse
Amplitude
isoSPI Comparator Threshold
Gain (Port A/Port B) vs Common
Mode
isoSPI Comparator Threshold
Gain (Port A/Port B) vs ICMP
Voltage
Typical Wake-Up Pulse Amplitude
(Port A) vs Dwell Time
I
BIAS
Voltage vs Temperature I
BIAS
Voltage Load Regulation
isoSPI Driver Current Gain
(Port A/PortB) vs Bias Current
T
A
= 25°C, unless otherwise noted.
TEMPERATURE (°C)
–50
1.98
IBIAS PIN VOLTAGE (V)
1.99
2.00
2.01
2.02
–25 0 25 50
680412 G46
75 100 125
I
B
= 1mA
3 PARTS
BIAS CURRENT (µA)
0
IBIAS PIN VOLTAGE (V)
2.000
2.005
800
408912 G47
1.995
1.990
200
400
600
1000
2.010
BIAS CURRENT (µA)
0
CURRENT GAIN (mA/mA)
21
22
23
800
680412 G48
20
19
18
200
400
600
1000
V
A
= 0.5V
V
A
= 1.0V
V
A
= 1.6V
TEMPERATURE (°C)
–50 –25
18
CURRENT GAIN (mA/mA)
20
23
0
50
75
680412 G49
19
22
21
25
100
125
I
B
= 100µA
I
B
= 1mA
PULSE AMPLITUDE (V)
0
2.5
DRIVER COMMON MODE (V)
3.0
3.5
4.0
4.5
5.0
5.5
0.5 1.0 1.5 2.0
I
B
= 100µA
I
B
= 1mA
680412 G50
COMMON MODE VOLTAGE (V)
2.5
0.44
COMPARATOR THRESHOLD GAIN (V/V)
0.46
0.48
0.50
0.52
0.56
3.0
3.5 4.0 4.5
680412 G51
5.0 5.5
0.54
V
ICMP
= 1V
V
ICMP
= 0.2V
ICMP VOLTAGE (V)
0
0.44
COMPARATOR THRESHOLD GAIN (V/V)
0.46
0.48
0.50
0.52
0.4 0.8
1.2
1.6
680412 G52
0.54
0.56
0.2 0.6
1.0
1.4
3 PARTS
WAKE-UP DWELL TIME, t
DWELL
(ns)
0
WAKE-UP PULSE AMPLITUDE, V
WAKE
(mV)
150
200
600
680412 G53
100
50
150
300
450
300
250
GUARANTEED
WAKE-UP REGION