HA-5320_05 Datasheet, PDF (7/8 Pages) Intersil Corporation – 1 Microsecond Precision Sample and Hold Amplifier

Typical Performance Curves
HA-5320
10
ACQUISITION TIME FOR
5
10V STEP TO +0.01% (µs)
1.0
VOLTAGE DROOP DURING
HOLD MODE, (mV/100ms)
0.5
0.1 _{SAMPLE-TO-HOLD OFFSET}
0.05
(HOLD STEP) ERROR, (mV)
C_H = 100pF, INTERNAL
1000
100
10
1
0.01
100
1000
10K
C_H VALUE (pF)
100K
FIGURE 6. TYPICAL SAMPLE AND HOLD PERFORMANCE
AS A FUNCTION OF HOLD CAPACITOR
0
-25
0
25
50
75
100 125
TEMPERATURE (°C)
FIGURE 7. DRIFT CURRENT vs TEMPERATURE
120
100
0
80
60
40
GAIN
(C_H = 1100pF)
20
45
PHASE
90
(C_H = 100pF)
GAIN
135
180
0
0
10 100 1K 10K 100K 1M 10M
FREQUENCY (Hz)
FIGURE 8. OPEN LOOP GAIN AND PHASE RESPONSE
T_A = 25°C
HOLD STEP VOLTAGE (mV)
5.0
C_H = 100pF
0.5
C_H = 1000pF
0.05
C_H = 0.01µF
C_H = 100pF
75°C
25°C
-10 -8 -6 -4 -2
2 4 6 8 10
DC INPUT (V)
2
3
4
5
LOGIC LEVEL HIGH (V)
FIGURE 9A. HOLD STEP vs INPUT VOLTAGE
FIGURE 9B. HOLD STEP vs LOGIC (V_IH) VOLTAGE
FIGURE 9. TYPICAL SAMPLE-TO-HOLD OFFSET (HOLD STEP) ERROR
7
FN2857.7
August 24, 2005