SHC298 Datasheet, PDF (4/8 Pages) Burr-Brown (TI) – Monolithic SAMPLE/HOLD AMPLIFIER

TYPICAL PERFORMANCE CURVES
At T_J = +25°C, ±15V supplies, 1000pF holding capacitor, –11.5V ≤ V_IN ≤ +11.5, R_L = 10kΩ, Logic Reference Voltage = 0V, and Logic Voltage = 2.5 V, unless
otherwise noted.
APERTURE TIME
500
+V_CC = –V_CC = 15V
400
∆V_OUT ≤ mV
∆V_IN = 10V
300
Negative
Input Step
200
100
Positive
Input Step
CHARGE OFFSET
100
V_IN = 0V
T_J = 25°C
10
1
0.1
0
–50 –25
0
25 50 75 100 125 150
Junction Temperature (°C)
0.01
0.0001
0.001
0.01
0.1
1
Hold Capacitor (µF)
SAMPLE-TO-HOLD
TRANSIENT SETTLING TIME
2
1.8 ^{+VCC = –VCC = 15V}
Settling to 1mV
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
–50 –25 0
25 50 75 100 125 150
Junction Temperature (°C)
10⁰
10^–1
10^–2
OUTPUT DROOP RATE
T_J = 125°C
T_J = 70°C
10^–3
10^–4
T_J = 0°C
T_J = 25°C
0.0001
0.001
0.01
0.1
1
Hold Capacitor (µF)
ACQUISITION TIME
1
V_IN = 0V to ±10V
T_J = 25°C
10
0.1%
100
0.01%
1000
0.001
0.01
0.1
1
Hold Capacitor (µF)
OUTPUT NOISE
160
140
120
“Hold” Mode
100
80
60
40
“Sample” Mode
20
0
10
100
1k
10k
Frequency (Hz)
100k
®
SHC298/298A
4