HA4-5320883 INTERSIL [Intersil Corporation], HA4-5320883 Datasheet - Page 10

• Manufacturer Part Number: HA4-5320883
• Description: High Speed Precision Sample and Hold Amplifier
• Manufacturer: INTERSIL [Intersil Corporation]

DESIGN INFORMATION
The information contained in this section has been developed through characterization by Intersil Semiconductor and is for use as applica-
tion and design information only. No guarantee is implied.
Test Circuits
1. Observe the “hold step” voltage V
2. Compute charge transfer: Q = V
S/H CONTROL
V O
SINE WAVE
CHARGE TRANSFER TEST
100kHz
10V
S/H CONTROL
p-p
CONTROL
INPUT
INPUT
V
S/H
IN
V
p
C
p
p
:
H
ANALOG
MUX OR
SWITCH
HOLD MODE FEED THROUGH ATTENUATION
A
Feedthrough in dB = 20 Log
V
V
CHARGE TRANSFER AND DRIFT CURRENT
14
IN
OUT
IN
1
2
= Volts
(Continued)
-INPUT
+INPUT
S/H CONTROL
= Volts
HOLD (+3.5V)
SAMPLE (0V)
p-p
p-p
.
, Hold Mode,
HA-5320
14
1
2
7-12
-IN
+IN
S/H CONTROL
COMMON
SUPPLY
HA-5320
13
SUPPLY
TO
S/H CONTROL
1. Observe the voltage “droop”, V
2. Measure the slope of the output during hold, V
GND
pute drift current: I
V
V
OUT
IN
9
+V
11
C
N.C.
EXT
V
where:
HA-5320
O
OUTPUT
SIGNAL
(C
GND
6
COM
TO
REF
H
DRIFT CURRENT TEST
5
D
-V
= 100pF)
= C
7
8
11
H
COMP.
N.C.
8
INT.
V
OUT
O
N.C.
N.C.
/ T.
Spec Number
O
/ T:
7
T
V
V
OUT
O
O
/ T, and com-
V
511096-883
SAMPLE (0V)
HOLD (4.0V)
O