HA-5340 查看數據表（PDF） - Intersil
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HA-5340 Datasheet PDF : 8 Pages
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HA-5340
Electrical Specifications VSUPPLY = ±15.0V; CH = Internal = 135pF; Digital Input: VIL = +0.8V (Sample), VIH = +2.0V (Hold). Non-Inverting Unity
Gain Configuration (Output tied to -Input), RL = 2kΩ, CL = 60pF, Unless Otherwise Specified (Continued)
PARAMETER
TEST CONDITIONS
TEMP. (oC)
HA-5340-5
MIN
TYP
MAX
UNITS
POWER SUPPLY CHARACTERISTICS
Positive Supply Current
Full
-
19
25
mA
Negative Supply Current
Full
-
19
25
mA
PSRR
10% Delta
Full
75
82
-
dB
NOTES:
3. Derived from Computer Simulation only, not tested.
4. +CMRR is measured from 0V to +10V, -CMRR is measured from 0V to -10V.
5. Based on the calculation FPBW = Slew Rate/2πVPEAK (VPEAK = 10V).
Test Circuits and Waveforms
1 -INPUT
2
+INPUT
7
OUTPUT
VO
S/H
CONTROL
INPUT
14 S/H CONTROL
HA-5340
11 NC
(CH = 135pF = INTERNAL)
FIGURE 1. HOLD STEP ERROR AND DROOP RATE
S/H CONTROL
VO
HOLD (+4.0V)
SAMPLE (0V)
VP
NOTE:
6. Observe the “hold step” voltage VP.
FIGURE 2. HOLD STEP ERROR
S/H CONTROL
HOLD (+4.0V)
SAMPLE (0V)
VO
∆VO
∆t
NOTES:
7. Observe the voltage “droop”, ∆VO/∆t.
8. Measure the slope of the output during hold, ∆VO/∆t.
9. Droop can be positive or negative - usually to one rail or the other
not to GND.
FIGURE 3. DROOP RATE TEST
VIN
20VP-P
200kHz
SINE WAVE
S/H CONTROL
INPUT
ANALOG
MUX OR
SWITCH
AIN
V+
V-
HA-5340
9
5
1 -IN
2 +IN
14 S/H
CONTROL
SUPPLY
GND
13
7
OUT
REF
COM
6
VOUT
TO
SUPPLY
COMMON
TO
SIGNAL
GND
FIGURE 4. HOLD MODE FEEDTHROUGH ATTENUATION
NOTE:
10. Feedthrough in
dB
=
20
log
-V----O----U----T-
VIN
where:
VOUT = VP-P, Hold Mode,
VIN = VP-P
4
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