3
LT1328
TYPICAL PERFORMANCE CHARACTERISTICS
U
W
SUPPLY VOLTAGE (V)
0
SUPPLY
CURRENT
(mA)
2
3
8
1328 G01
1
0
2
4
5
10
4
6
1
3
9
7
IPIN1 = 0nA
VPIN7 = 0V
TA = 25°C
Supply Current vs Supply Voltage
INPUT CURRENT (
A)
0.1
100
150
1000
1328 G03
50
0
1
10
100
10000
200
OUTPUT
PULSE
WIDTH
INPUT
PULSE
WIDTH
100
(%)
VS = 5V
VFILT = 10nF
VBIAS = 1000pF
FOR INPUT PULSE WIDTHS
OF 8.6
s TO 0.22s
PULSE PERIOD = 8.7
s
SUPPLY VOLTAGE (V)
0
CHANGE
IN
VOLTAGE
ON
PIN
1
(mV)
0
2
8
1328 G02
–2
–4
2
4
5
10
4
6
1
3
9
7
IPIN1 = 0nA
TA = 25°C
Change in Voltage on Pin 1
vs Supply Voltage
Change in Output Pulse Width
vs Input Current Amplitude
INPUT DUTY CYCLE (%)
1
100
150
100
1328 G04
50
0
3
10
30
200
250
OUTPUT
PULSE
WIDTH
INPUT
PULSE
WIDTH
100
(%)
VS = 5V
VFILT = 10nF
VBIAS = 1000pF
PULSE PERIOD = 8.7
s
IPIN1 = 150nA TO 3mA
IPIN1 > 3mA TO 10mA
Change in Output Pulse Width
vs Input Duty Cycle
CURRENT (PIN 1) (
A)
0.1
–40
CHANGE
IN
VOLTAGE
ON
PIN
1
(mV)
–30
–20
–10
0
10
1
10
100
1000
1328 G05
10000 100000
CURRENT SINKING
FROM PIN 1
CURRENT SOURCING
FROM PIN 1
VS = 5V
TA = 25°C
Change in Voltage on Pin 1
vs Current
Change in Voltage on Pin 2
vs Current
Peak Interfering Current
vs Frequency
CURRENT (PIN 1) (
A)
0.1
– 0.5
CHANGE
IN
VOLTAGE
ON
PIN
2
(V)
0
0.5
1.0
1.5
2.0
1
10
100
1000
1328 G06
10000 100000
VS = 5V
TA = 25°C
SOURCING
CURRENT
SINKING
CURRENT
FREQUENCY (kHz)
0.01
PEAK
INPUT
CURRENT
AMPLITUDE
(
A)
10
100
1328 G07
1
0.1
1
10
1000
AREA OF
SIGNAL
REJECTION
CFILT = 10nF
CFILT = 330pF
VS = 5V
CBIAS = 1000pF
CURRENT IS
SOURCED
OUT OF PIN 1