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MAX7490 Datasheet(数据表) 2 Page - Maxim Integrated Products

部件型号  MAX7490
说明  Dual Universal Switched-Capacitor Filters
下载  18 Pages
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制造商  MAXIM [Maxim Integrated Products]
网页  https://www.maximintegrated.com/en.html
标志 MAXIM - Maxim Integrated Products

MAX7490 Datasheet(HTML) 2 Page - Maxim Integrated Products

  MAX7490 数据表 HTML 1Page - Maxim Integrated Products MAX7490 数据表 HTML 2Page - Maxim Integrated Products MAX7490 数据表 HTML 3Page - Maxim Integrated Products MAX7490 数据表 HTML 4Page - Maxim Integrated Products MAX7490 数据表 HTML 5Page - Maxim Integrated Products MAX7490 数据表 HTML 6Page - Maxim Integrated Products MAX7490 数据表 HTML 7Page - Maxim Integrated Products MAX7490 数据表 HTML 8Page - Maxim Integrated Products MAX7490 数据表 HTML 9Page - Maxim Integrated Products Next Button
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Dual Universal Switched-Capacitor Filters
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS—MAX7490
(VDD = EXTCLK = +5V, fCLK = 625kHz, TA = TMIN to TMAX, 10k
Ω || 50pF load to VDD/2 at LP_, BP_, and N_/HP_, SHDN = VDD, 0.1µF
from COM to GND, 50% duty-cycle clock input, COM = VDD/2. Typical values are at TA = +25°C, unless otherwise noted.) (Note 1)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
VDD to GND ..............................................................-0.3V to +6V
EXTCLK, SHDN to GND ...........................................-0.3V to +6V
INV_, LP_, BP_, N_/HP_, S_, COM,
CLK to GND............................................-0.3V to (VDD + 0.3V)
Maximum Current into Any Pin ...........................................50mA
Continuous Power Dissipation (TA = +70°C)
16-Pin QSOP (derate 8.30mW/°C above +70°C).........667mW
Operating Temperature Range
MAX749_CEE ....................................................0°C to +70°C
MAX749_EEE ..................................................-40°C to +85°C
Die Temperature ..............................................................+150°C
Storage Temperature.........................................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
FILTER
Center Frequency Range
fO
Mode 1
0.001 to
40
kHz
Clock-to-Center Frequency
Accuracy
fCLK/fO
Mode 1, R1 = R3 = 50k
Ω , R2 = 10kΩ,
Q = 5, deviation from 100:1
±0.2
±0.7
%
Q Accuracy
Mode 1, R1 = R3 = 50k
Ω, R2 = 10kΩ, Q = 5
±0.2
±2%
fO Temperature Coefficient
±1
ppm/
°C
Q Temperature Coefficient
±5
ppm/
°C
DC Lowpass Gain Accuracy
Mode 1, R1 = R2 = 10k
Ω±0.1
±0.5
%
VOS1
DC offset of input inverter
±3
±12.5
VOS2
DC offset of 1st integrator
±4
±15
DC Offset Voltage (Figure 8)
VOS3
DC offset of 2nd integrator
±4
±30
mV
Crosstalk (Note 2)
fIN = 10kHz
-60
dB
Input: COM externally driven
VDD/2
- 0.5
VDD/2
VDD/2
+ 0.5
COM Voltage Range
VCOM
Output: COM internally driven
VDD/2
- 0.2
VDD/2
VDD/2
+ 0.2
V
Input Resistance at COM
RCOM
140
250
325
k
Clock Feedthrough
Up to 5th harmonic of fCLK
200
µVRMS
Noise (Note 3)
Mode 1, R1 = R2 = R3 =10k
Ω, LP output,
Q = 1
60
µVRMS
Output Voltage Swing
0.2
VDD - 0.2
V
Input Leakage Current at COM
SHDN = GND, VCOM = 0 to VDD
±0.1
±10
µA
CLOCK
Maximum Clock Frequency
fCLK
4
MHz
EXTCLK = GND, COSC = 1000pF
95
135
175
kHz
Internal Oscillator Frequency
(Note 4)
fOSC
EXTCLK = GND, COSC = 100pF
1.35
MHz
Clock Input High
VDD - 0.5
V




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