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HA-5320883 データシートの表示(PDF) - Intersil

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HA-5320883 Datasheet PDF : 11 Pages
1 2 3 4 5 6 7 8 9 10
HA-5320/883
DESIGN INFORMATION (Continued)
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
CHARGE TRANSFER AND DRIFT CURRENT
S/H
CONTROL
INPUT
1
- INPUT
2
+ INPUT
7
OUTPUT
VO
8
N.C.
14
S/H CONTROL
11
N.C.
HA-5320
(CH = 100pF)
CHARGE TRANSFER TEST
1. Observe the “hold step” voltage Vp:
S/H CONTROL
VO
HOLD (+3.5V)
SAMPLE (0V)
Vp
2. Compute charge transfer: Q = VpCH
DRIFT CURRENT TEST
1. Observe the voltage “droop”, VO/T:
S/H CONTROL
HOLD (4.0V)
SAMPLE (0V)
VO
VO
T
2. Measure the slope of the output during hold, VO /T, and com-
pute drift current: ID = CH VO/T.
VIN
10Vp-p
100kHz
SINE WAVE
S/H CONTROL
INPUT
HOLD MODE FEED THROUGH ATTENUATION
ANALOG
MUX OR
SWITCH
AIN
+V
-V
HA-5320
9
1
- IN
2
+ IN
14
S/H CONTROL
SUPPLY
GND CEXT
13
11
5
REF
COM
6
7
OUT
INT.
COMP.
8
TO
SUPPLY
COMMON
N.C.
TO
SIGNAL
GND
N.C.
Feedthrough in dB = 20 Log
VOUT = Voltsp-p, Hold Mode,
VIN = Voltsp-p.
VOUT where:
VIN
VOUT
Spec Number 511096-883
9

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