SHC298 Datasheet, PDF (2/8 Pages) Burr-Brown (TI) – Monolithic SAMPLE/HOLD AMPLIFIER

SPECIFICATIONS
ELECTRICAL
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.
PARAMETER
ANALOG INPUT
Resistance
Bias Current⁽¹⁾
DIGITAL INPUT
Mode Control Truth Table
Mode Control and Mode Control Reference Input Current
Differential Logic Threshold
TRANSFER CHARACTERISTICS
ACCURACY (+25°C)
Gain
Gain Error
Input Voltage Offset (adjust to zero)⁽¹⁾
Droop Rate⁽¹⁾
Power Supply Rejection
ACCURACY DRIFT
Gain Drift
Input Offset Drift
Droop Rate at T_J = +85°C
DYNAMIC CHARACTERISTICS
Aperture Time : Negative Input Step
Positive Input Step
Acquisition Time (C = 1000pF): to ±0.1%, 10V Step
Sample/Hold Transient: Peak Amplitude
Settling to 1mV
Feedthrough (Response to 10V Input Step)
OUTPUT
ANALOG OUTPUT
Voltage Range
Current Range
Impedance (in Hold Mode)
POWER SUPPLY
Rate Voltage
Range
Current⁽¹⁾
SHC298AM, JP, JU
MIN
TYP
MAX
SHC298AJP
MIN
TYP
MAX
10¹⁰
10
Pin 7
0V
0V
+2.4V
+0.8V
0.8
1.4
50
Pin 8
+2.4V
+0.8V
+2.8V
+2.8V
10
2.4
T
T
25
Circuit State
Sample (Track)
Hold
Hold
Sample (Track)
+1
±0.004
±2
±30
±25
±0.010
±7
±100
3
4
15
70
10
200
150
5
160
1
±0.007
T
±0.001
±1
T
T
±0.005
±2
T
1
2
T
25
T
T
T
4
6
T
T
±0.004
±11.5
T
±2
T
0.5
4
T
15
±5
±18
T
±4.5
±6.5
T
Ω
T
T
T
T
UNITS
Ω
nA
µA
V
V/V
%
mV
µV/ms
µV/V
ppm/°C
µV/°C
mV/ms
ns
ns
µs
mV
µs
% of 20V
V
mA
VDC
VDC
mA
T Same as specifications for SHC298AM, JP, JU.
NOTES: (1) These parameters guaranteed over a supply voltage range of ±5V to = ±18V. (2) Charge offset is sensitive to stray capacitive coupling between input
logic signals and the hold capacitor. 1pF, for instance, will create an additional 0.5mV step with a 5V logic swing and a 0.01µF hold capacitor. Magnitude of the
charge offset is inversely proportional to hold capacitor value.
®
SHC298/298A
2