MAX292 Ver la hoja de datos (PDF) - Maxim Integrated
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MAX292 Datasheet PDF : 10 Pages
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MAX291/MAX292/MAX295/MAX296
8th-Order, Lowpass,
Switched-Capacitor Filters
ELECTRICAL CHARACTERISTICS (continued)
(V+ = 5V, V- = -5V, filter output measured at OUT pin, 20kΩ load resistor to ground at OUT and OP OUT, fCLK = 100kHz
(MAX291/MAX292) or fCLK = 50kHz (MAX295/MAX296), TA = TMIN to TMAX, unless otherwise noted.)
PARAMETER
Output DC Swing
Output Offset Voltage
DC Insertion Gain Error with
Output Offset Removed
IN = GND
CONDITIONS
MIN
TYP
MAX
UNITS
±4
V
±150
±400
mV
0.15
0
-0.15
dB
Total Harmonic Distortion
plus Noise
TA = +25°C, fCLK = 100kHz
-70
dB
Clock Feedthrough
CLOCK
fCLK = 100kHz
6
mVp-p
Internal Oscillator
Frequency
COSC = 1000pF
29
35
43
kHz
Internal Oscillator
Current Source/Sink
VCLK = 0V or 5V
±70
±120
µA
Clock Input High
(Note 1)
4.0
V
Low
UNCOMMITTED OP AMP
Input Offset Voltage
Output DC Swing
Input Bias Current
1.0
V
±10
±50
mV
±4
V
0.05
µA
POWER REQUIREMENTS
Supply Voltage
Dual Supply
±2.375
±5.500
V
Single Supply
Supply Current
V- = 0V, GND = V±2
V+ = 5V, V- = -5V, VCLK = 0V to 5V
V+ = 2.375V, V- = -2.375V, VCLK = -2V to 2V
4.750
11.000
V
15
22
mA
7
12
Note 1. Guaranteed by design.
Typical Operating Characteristics
(V+ = 5V, V- = -5V, TA = +25°C, fCLK = 100kHz (MAX291/MAX292) or fCLK = 50kHz (MAX295/MAX296), unless otherwise noted.)
INTERNAL OSCILLATOR PERIOD vs.
CAPACITANCE VALUE
500
450
400
350
NORMALIZED INTERNAL OSCILLATOR
FREQUENCY vs. SUPPLY VOLTAGE
1.030
1nF EXTERNAL
CAPACITOR CLK
NORMALIZED INTERNAL OSCILLATOR
FREQUENCY vs. TEMPERATURE
1nF EXTERNAL
CAPACITOR CLK
1.06
300
1.020
1.03
250
200
1.010
1.00
150
100
1.000
0.97
50
0
0 2 4 6 8 10 12 14 16 18
CAPACITANCE (nF)
0.990
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
0.94
-60 -40 -20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
Maxim Integrated
3
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