SHM-49 Просмотр технического описания (PDF) - DATEL Data Acquisition products
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SHM-49 Datasheet PDF : 3 Pages
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SHM-49
®
®
ABSOLUTE MAXIMUM RATINGS
±15V Supply Voltage
+5V Supply Voltage
Analog Input
Digital Input
Output Current
±18V
–0.5V to +7V
±18V
–0.5V to +5.5V
±65 mA
FUNCTIONAL SPECIFICATIONS
(Apply over the operating temperature range with ±15V and +5V supplies
unless otherwise specified.)
ANALOG INPUT/OUTPUT
Input/Output Voltage Range
±15V Nominal Supplies
±12V Nominal Supplies
Input Impedance
Output Current
Output Impedance
Capacitive Load
MIN. TYP. MAX. UNITS
±10
±11.5
—
Volts
±7
±8.5
—
Volts
1.75
2
—
kΩ
—
—
±40
mA
—
0.1
—
Ω
100
250
—
pF
DIGITAL INPUT
Input Logic Levels
Logic 1
Logic 0
Loading
Logic 1
Logic 0
+2.0
—
+5.0 Volts
0
—
+0.8 Volts
—
—
+5
µA
—
—
–5
µA
TRANSFER CHARACTERISTICS
Gain
—
Gain Error, +25°C
—
Linearity Error À
—
Sample Mode Offset , +25°C
—
Sample-to-Hold Offset
(Pedestal), +25°C Á
—
Gain Drift
—
Sample Mode Offset Drift À
—
Sample-to-Hold Off.
(Pedestal) Drift
—
–1
—
V/V
±0.05 ±0.5
%
±0.005 ±0.01 %FS
±2
±7
mV
±2.5
±25
mV
±0.5
±15 ppm/°C
±3
±15 ppm of
FSR/°C
±5
±20 ppm of
FSR/°C
DYNAMIC CHARACTERISTICS
Acquisition Time
10V to ±0.01%FS (±1 mV)
+25 °C
—
160
200
ns
–55 to +125 °C
—
—
265
ns
10V to ±0.1%FS (±10 mV)
+25 °C
—
100
150
ns
–55 to +125 °C
—
—
215
ns
10V to ±1%FS (±100 mV)
—
90
—
ns
1V to ±1%FS (±10 mV)
—
75
—
ns
Sample-to-Hold Settling Time
10V to ±0.01%FS (±1 mV)
—
60
100
ns
10V to ±0.1%FS (±10 mV)
—
40
80
ns
Sample-to-Hold Transient
—
100
—
mVp-p
Aperture Delay Time
—
10
15
ns
Aperture Uncertainty (Jitter)
—
±25
±50
ps
Output Slew Rate
±200 ±300
—
V/µs
Small Signal BW (–3dB)
10
16
—
MHz
Output Droop
+25 °C
—
±0.5
±15 µV/µs
0 to +70 °C
—
±15
±30 µV/µs
–55 to +125 °C
—
±1.2 ±2.4 mV/µs
Feedthrough Rejection
69
74
—
dB
POWER REQUIREMENTS
Voltage Range
+15V Supply
–15V Supply
+5V Supply
Power Supply Rejection Ratio
Quiescent Current Drain
+15V Supply
–15V Supply
+5V Supply
Power Consumption
MIN.
+11.5
–11.5
+4.75
—
—
—
—
—
PHYSICAL/ENVIRONMENTAL
Operating Temp. Range, Case
SHM-49MC
SHM-49MM
Storage Temperature Range
Thermal Impedance
θjc
θca
Package Type
TYP. MAX. UNITS
+15.0
–15.0
+5.0
±0.5
+15.5
–15.5
+5.25
±1
Volts
Volts
Volts
mV/V
+12 +13.5
mA
–12 –13.5
mA
+1
+1.5
mA
365
415
mW
0 to +70 °C
–55 to +125 °C
–65 to +150 °C
15°C/W
35°C/W
8-pin ceramic DIP
Footnotes:
À Full Scale (FS) = 10V. Full Scale Range (FSR) = 20V.
Á Sample-to-hold offset error (pedestal) is constant regardless of input/output level.
ORDERING INFORMATION
MODEL
SHM-49MC
SHM-49MM
OPERATING TEMP. RANGE
0 to +70°C
–55 to +125°C
For availability of high-reliability versions of the SHM-49,
contact DATEL.
TECHNICAL NOTES
1. All ground pins should be tied together and connected to
system analog ground as close to the package as possible.
It is recommended to use a ground plane under the device
and solder ground pins directly to it. Take care to ensure
that no ground potentials can exist between ground pins.
2. External 0.1 F to 1 F tantalum bypass capacitors are
required in critical applications.
3. A logic 1 on S/H puts the unit in the sample mode. A logic 0
puts the unit in hold mode.
4. The maximum capacitive load to avoid oscillation is typically
250pF. Recommended resistive load is 500Ω, although
values as low as 250Ω may be used. Acquisition and
sample-to-hold settling times are relatively unaffected by
resistive loads down to 250Ω and capacitive loads up to
50pF. Greater load capacitances will affect both acquisition
and settling time.
5. Gain and offset adjusting can be accomplished using the
external circuitry shown in Figure 2. Adjust offset with a 0V
input. Adjust gain with a ±FS input. Adjust so that the output
in the hold mode matches the input.
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