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參數(shù)資料
| 型號(hào)： | SHC298JU |
| 元件分類(lèi)： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | Monolithic SAMPLE/HOLD AMPLIFIER |
| 中文描述： | 單片采樣/保持放大器 |
| 文件頁(yè)數(shù)： | 2/8頁(yè) |
| 文件大?。?/td> | 100K |
| 代理商： | SHC298JU |
2
SHC298/298A
SPECIFICATIONS
ELECTRICAL
At T
= +25
°
C,
±
15V supplies, 1000pF holding capacitor, –11.5V
≤
V
IN
≤
+11.5, R
L
= 10k
, Logic Reference Voltage = 0V, and Logic Voltage = 2.5 V, unless
otherwise noted.
6
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 0.01
μ
F hold capacitor. Magnitude of the
charge offset is inversely proportional to hold capacitor value.
SHC298AM, JP, JU
SHC298AJP
PARAMETER
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
ANALOG INPUT
Resistance
Bias Current
(1)
10
10
10
6
6
nA
50
25
DIGITAL INPUT
Mode Control Truth Table
Pin 7
0V
0V
+2.4V
+0.8V
Pin 8
+2.4V
+0.8V
+2.8V
+2.8V
Circuit State
Sample (Track)
Hold
Hold
Sample (Track)
Mode Control and Mode Control Reference Input Current
Differential Logic Threshold
10
2.4
μ
A
V
0.8
1.4
TRANSFER CHARACTERISTICS
ACCURACY (+25
°
C)
Gain
Gain Error
Input Voltage Offset (adjust to zero)
(1)
Droop Rate
(1)
Power Supply Rejection
+1
6
V/V
%
mV
μ
V/ms
μ
V/V
±
0.004
±
2
±
30
±
25
±
0.010
±
7
±
0.001
±
1
6
6
±
0.005
±
2
±
100
6
ACCURACY DRIFT
Gain Drift
Input Offset Drift
Droop Rate at T
J
= +85
°
C
3
15
10
4
1
6
6
2
25
ppm/
°
C
μ
V/
°
C
mV/ms
70
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)
200
150
5
160
1
±
0.007
6
6
4
6
6
ns
ns
μ
s
mV
μ
s
6
±
0.004
% of 20V
OUTPUT
ANALOG OUTPUT
Voltage Range
Current Range
Impedance (in Hold Mode)
±
11.5
±
2
0.5
6
6
6
V
mA
4
6
POWER SUPPLY
Rate Voltage
Range
Current
(1)
15
6
VDC
VDC
mA
±
5
±
18
±
6.5
6
6
6
±
4.5
6
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