MAX7401 Maxim, MAX7401 Datasheet - Page 4

• Manufacturer Part Number: MAX7401
• Description: 8th-Order / Lowpass / Bessel / Switched-Capacitor Filters
• Manufacturer: Maxim

8th-Order, Lowpass, Bessel,
Switched-Capacitor Filters
ELECTRICAL CHARACTERISTICS—MAX7405 (continued)
(V
SHDN = V
FILTER CHARACTERISTICS—MAX7401/MAX7405
(V
V
4
Note 1: The maximum f
Note 2: DC insertion gain is defined as ∆V
Note 3: OS voltages above V
Note 4: For MAX7401, f
CLOCK
POWER REQUIREMENTS
SHUTDOWN
COM =
Internal Oscillator Frequency
Clock Input Current
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
Insertion Gain Relative to
DC Gain
DD
DD
_______________________________________________________________________________________
= +5V for MAX7401, V
= +3V, filter output measured at OUT, 10kΩ || 50pF load to GND at OUT, OS = COM, 0.1µF from COM to GND,
V
soidal input at 0.2f
OS =
PARAMETER
PARAMETER
DD
, f
V
CLK
DD
/2; f
= 100kHz, T
CLK
C
OSC
is defined as the clock frequency, f
= 100kHz; T
C
DD
.
(kHz)
DD
A
= +3V for MAX7405; filter output measured at OUT; 10kΩ
- 1V saturate the input and result in a 75µA typical input leakage current.
= T
SYMBOL
38 · 10
f
f
f
f
IN
IN
IN
IN
MIN
I
PSRR
V
V
f
SHDN
I
V
OSC
V
I
CLK
V
SDH
SDL
A
DD
= 0.5f
= f
= 3f
= 6f
DD
IH
IL
to T
= T
C
OUT
3
C
C
MIN
/ C
MAX
C
/ ∆V
OSC
C
V
Operating mode, no load, IN = OS = COM
SHDN = GND, CLK driven from 0 to V
Measured at DC
V
to T
, unless otherwise noted. Typical values are at T
CLK
OSC
SHDN
IN
(pF). For MAX7405, f
MAX
.
= 0 or 3V
= 1000pF (Note 4)
= 0 to V
; unless otherwise noted. Typical values are at T
CONDITIONS
CLK
DD
CONDITIONS
= 100
·
OSC
f
C,
at which the peak SINAD drops to 68dB with a sinu-
(kHz) 34 · 10
DD
||
3
50pF load to GND at OUT; SHDN = V
/ C
V
V
OSC
A
DD
DD
MIN
MIN
-1.0
-3.3
2.7
= +25°C.)
26
(pF).
- 0.5
- 0.5
A
= +25°C.)
±0.1
TYP
±15
TYP
-0.8
-3.0
0.2
-33
-79
34
60
2
MAX
MAX
±30
±10
-0.6
-2.7
0.5
3.6
3.5
0.5
-29
-74
43
1
UNITS
UNITS
kHz
mA
µA
µA
dB
µA
dB
V
V
V
V
V
DD
;