MAX7421CUA+ Maxim Integrated Products, MAX7421CUA+ Datasheet - Page 3

• Manufacturer Part Number: MAX7421CUA+
• Description: IC FILTER LOWPASS 5TH 8UMAX
• Manufacturer: Maxim Integrated Products

Specifications of MAX7421CUA+

• Filter Type: Elliptic, Lowpass Switched Capacitor
• Frequency - Cutoff Or Center: 45kHz
• Number Of Filters: 1
• Max-order: 5th
• Voltage - Supply: 4.5 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• For Use With: MAXFILTERBRD+ - BOARD EVAL MAX7408/7415/418-7425
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS—MAX7418–MAX7421 (continued)
(V
SHDN = V
ELECTRICAL CHARACTERISTICS—MAX7422–MAX7425
(V
SHDN = V
FILTER CHARACTERISTICS
FILTER CHARACTERISTICS
Corner-Frequency Range
Clock-to-Corner Ratio
Clock-to-Corner Tempco
Output Voltage Range
Output Offset Voltage
DC Insertion Gain with Output
Offset Removed
Total Harmonic Distortion plus
Noise
Offset Voltage Gain
COM Voltage Range
Input Voltage Range at OS
Input Resistance at COM
Clock Feedthrough
Resistive Output Load Drive
Maximum Capacitive Load
at OUT
Input Leakage Current at COM
Input Leakage Current at OS
POWER REQUIREMENTS
SHUTDOWN
Supply Voltage
Supply Current
Shutdown Current
Power-Supply Rejection Ratio
SHDN Input High
SHDN Input Low
SHDN Input Leakage Current
DD
DD
= +3V, filter output measured at OUT pin, 10kΩ || 50pF load to GND at OUT, OS = COM, 0.1µF capacitor from COM to GND,
= +5V, filter output measured at OUT, 10kΩ || 50pF load to GND at OUT, OS = COM, 0.1µF capacitor from COM to GND,
PARAMETER
DD
DD
PARAMETER
, f
, f
CLK
CLK
= 2.2MHz, T
= 2.2MHz, T
_______________________________________________________________________________________
A
A
= T
= T
SYMBOL
SYMBOL
V
V
THD+N
MIN
MIN
f
COM
R
I
CLK
OFFSET
PSRR
V
V
A
V
SHDN
V
COM
I
C
R
f
SDH
DD
SDL
OS
OS
DD
C
L
L
to T
to T
/f
C
MAX
MAX
V
(Note 1)
V
V
(Note 2)
f
V
measurement
bandwidth = 80kHz
OS to OUT
Input, COM externally driven
Output, COM internally driven
Measured with respect to COM
SHDN = GND, V
V
Operating mode, no
load
SHDN = GND
IN = COM (Note 4)
V
IN
, unless otherwise noted. Typical values are at T
, unless otherwise noted. Typical values are at T
IN
IN
COM
IN
OS
SHDN
= 2kHz,
= 2.5Vp-p
= V
= 2.5Vp-p,
= 0 to V
= V
COM
= 0 to V
DD
Switched-Capacitor Filters
Switched-Capacitor Filters
= V
DD
/ 2
CONDITIONS
DD
DD
CONDITIONS
COM
/ 2
= 0 to V
MAX7422/MAX7425
MAX7423/MAX7424
MAX7422/MAX7425
MAX7423/MAX7424
MAX7422
MAX7423
MAX7424
MAX7425
MAX7418/MAX7421
MAX7419/MAX7420
DD
5th-Order, Lowpass,
5th-Order, Lowpass,
0.25
MIN
-0.2
100
1.4
1.4
10
50
0
A
A
MIN
= +25°C.)
4.5
4.5
= +25°C.)
0.001 to 45
100:1 to 45
V
COM
100:1
±0.1
±0.1
TYP
140
500
-80
-81
-70
-80
0.2
1.5
1.5
±4
10
0
1
3
1
±0.2
TYP
2.9
3.4
0.2
70
±0.1
V
DD
MAX
+0.2
±25
±10
±10
0.4
1.6
1.6
- 0.25
MAX
±10
5.5
3.6
4.1
0.5
1
ppm/°C
mVp-p
UNITS
UNITS
kHz
mV
V/V
dB
dB
kΩ
kΩ
mA
pF
µA
µA
dB
µA
µA
V
V
V
V
V
V
3