Fast Sample-and-Hold Circuit
Typical Operating Characteristics
(T = +25°C, unless otherwise noted.)
A
I
vs. V
CC
I
CC
vs. TEMPERATURE
I
vs. TEMPERATURE
CC
CC
5.9
5.8
5.7
5.6
5.5
5.4
5.3
6.5
6.3
6.1
5.9
5.7
5.5
5.3
6.5
6.3
6.1
5.9
5.7
5.5
5.3
DEN = V
DEN = GND
CC
DS1843
V
= 5V
DEN = GND
DEN = V
CC
V
= 5V
CC
V
= 3.3V
CC
CC
V
= 3.3V
CC
2.5
3.0
3.5
4.0
(V)
4.5
5.0
5.5
-40
-15
10
35
60
85
-40
-15
10
35
60
85
V
TEMPERATURE (°C)
TEMPERATURE (°C)
CC
DIFFERENTIAL OUTPUT DURING SAMPLING
(V = 6mV)
OUTPUT HOLD TIME vs. TEMPERATURE
OUTPUT HOLD TIME vs. TEMPERATURE
INP
DS1843 toc06
1000
100
10
1000
100
10
100mV/div
V
OUTP
V
OUTN
1.5V/div
V
SEN
DEN = GND
DEN = V
CC
V
- V
OUTN
OUTP
5mV/div
1
1
-40
-15
10
35
60
85
-40
-15
10
35
60
85
500ns/div
TEMPERATURE (°C)
TEMPERATURE (°C)
SINGLE-ENDED OUTPUT DURING SAMPLING
(V = 6mV)
DIFFERENTIAL OUTPUT, TRANSIENT
SINGLE-ENDED OUTPUT, TRANSIENT
WITH 10% V STEP (V = 6mV)
WITH 10% V STEP (V = 6mV)
INP
CC
INP
CC
INP
DS1843 toc07
DS1843 toc08
DS1843 toc09
V
SEN
100mV/div
V
OUTN
V
OUTP
V
SEN
V
V
V
= 3.3V
2.0V/div
CC
SEN
CC
V
V
= 3.3V
1.5V/div
V
OUTP
1V/div
= 3.0V
100mV/div
ZOOMED
500ns/div
CC
V
ZOOM
OUTP
= 3.0V
CC
V
- V
OUTN
OUTP
2mV/div
5mV/div
100mV/div
V
OUTP
20ns/div
100µs/div
100µs/div
4
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