MAX7427EUA+ Maxim Integrated Products, MAX7427EUA+ Datasheet - Page 4

• Manufacturer Part Number: MAX7427EUA+
• Description: IC FILTER LOWPASS 5TH 8UMAX
• Manufacturer: Maxim Integrated Products

Specifications of MAX7427EUA+

• Filter Type: Elliptic, Lowpass Switched Capacitor
• Frequency - Cutoff Or Center: 12kHz
• Number Of Filters: 1
• Max-order: 5th
• Voltage - Supply: 2.7 V ~ 3.6 V
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Number Of Channels: Single
• Cutoff Frequency: 12 KHz
• Supply Voltage (max): 3 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 3 V
• Supply Voltage (min): 2.7 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS—MAX7427 (continued)
(V
GND, f
5th-Order, Lowpass, Elliptic,
Switched-Capacitor Filters
ELLIPTIC FILTER CHARACTERISTICS (r = 1.25)
(V
V
4
Note 1: The maximum f
Note 2: DC insertion gain is defined as ∆V
Note 3: f
Note 4: The input frequencies, f
Insertion Gain
with DC Gain Error Removed
(Note 4)
CLOCK
POWER REQUIREMENTS
SHUTDOWN
COM
Internal Oscillator Frequency
Clock Output Current
(internal oscillator mode)
Clock Input High
Clock Input Low
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
= +5V for MAX7426, V
= V
CLK
soidal input at 0.2f
OSC
PARAMETER
OS
PARAMETER
= 100kHz, T
= V
(kHz) ≈ 17.5
DD
/ 2, f
A
C
CLK
= T
is defined as the clock frequency f
C
✕
DD
MIN
.
= 100kHz, T
10
3
= +3V for MAX7427, filter output measured at OUT, 10kΩ
IN
to T
/ C
, are selected at the peaks and troughs of the ideal elliptic frequency responses.
f
f
f
f
f
f
f
f
SYMBOL
IN
IN
IN
IN
IN
IN
IN
IN
MAX
OSC
I
PSRR
V
V
f
SHDN
I
V
= 0.38f
= 0.68f
= 0.87f
= 0.97f
= f
= 1.25f
= 1.43f
= 3.25f
OSC
V
I
CLK
V
SDH
SDL
DD
DD
IH
, unless otherwise noted. Typical values are at T
IL
A
C
(C
= T
OUT
OSC
C
C
C
C
C
C
C
MIN
/ ∆V
C
V
Operating mode, no load
SHDN = GND
Measured at DC
V
in pF).
CLK
OSC
SHDN
to T
IN
= 0 or 3V
.
= 1000pF (Note 3)
MAX
= 0 to V
||
CONDITIONS
50pF load to GND at OUT, SHDN = V
, unless otherwise noted. Typical values are at T
CLK
CONDITIONS
DD
= 100
✕
f
C
at which the peak SINAD drops to 68dB with a sinu-
A
= +25°C.)
||
50pF load to GND at OUT, SHDN = V
MIN
-0.4
-0.4
-0.4
-0.4
-0.7
MIN
13.5
2.5
2.7
2.5
DD
, OS = COM, 0.1µF from COM to
-38.5
-37.2
-37.2
TYP
±7.5
±0.2
TYP
17.5
0.75
-0.2
-0.2
-0.2
A
0.2
0.2
0.2
70
= +25°C.) (Note 3)
±12.5
MAX
MAX
21.5
±10
0.4
0.4
0.4
0.4
0.2
-34
-35
-35
0.5
3.6
1.0
0.5
1
UNITS
UNITS
kHz
mA
dB
µA
µA
dB
µA
V
V
V
V
V
DD,