ha9p2425-5 Intersil Corporation, ha9p2425-5 Datasheet - Page 4
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ha9p2425-5
Manufacturer Part Number
ha9p2425-5
Description
3.2 Microsecond Sample And Hold Amplifiers
Manufacturer
Intersil Corporation
Datasheet
1.HA9P2425-5.pdf
(12 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
HA9P2425-5
Manufacturer:
HARRIS
Quantity:
20 000
Test Circuits and Waveforms
INPUT
FIGURE 1. HOLD STEP ERROR AND DRIFT CURRENT
CONTROL
NOTE: Measure the slope of the output during hold, ∆V/∆t,
OUTPUT
S/H CONTROL
INPUT
S/H
and compute drift current from: I
-IN
+IN
FIGURE 3. DRIFT CURRENT TEST
CONTROL
S/H
4
HOLD
CAP
C
∆t
H
GND
D
= C
∆V
H
∆V/∆t.
SAMPLE
HOLD
OUTPUT
HA-2420, HA-2425
NOTE: Compute hold mode feedthrough attenuation from the formula:
SINE WAVE
INPUT
NOTE: Set rise/fall times of S/H Control to approximately 20ns.
FIGURE 4. HOLD MODE FEEDTHROUGH ATTENUATION
S/H CONTROL INPUT
CONTROL
OUTPUT
Where V
sinewave during the hold mode.
Feedthrough Attenuation
IN2
IN1
IN3
IN4
IN5
IN6
IN7
IN8
A2
A1
S/H
FIGURE 2. HOLD STEP ERROR TEST
HI-508A
OUT
+5V
V
EN
A0
MUX
STEP
HOLD = Peak-to-Peak value of output
OUT
V
INP-P
-IN
+IN
=
CONTROL
20
S/H
HA-2420/2425
log
V
--------------------------------- -
V
OUT
IN
HOLD
CAP GND
HOLD
HOLD
C
November 19, 2004
H
SAMPLE
OUT
HOLD
FN2856.6
V
O