MAX7480 Maxim, MAX7480 Datasheet - Page 3

• Manufacturer Part Number: MAX7480
• Description: 8th-Order / Lowpass / Butterworth / Switched-Capacitor Filter
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(V
V
FILTER CHARACTERISTICS
(V
= T
Note 1: The maximum f
Note 2: DC insertion gain is defined as ∆V
Note 3: OS voltages above V
Note 4: f
DD
Insertion Gain Relative to
DC Gain
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
MIN
, f
= +5V, filter output measured at OUT, 10kΩ
= +5V, filter output measured at OUT, 10kΩ || 50pF load to GND at OUT, OS = COM, 0.1µF from COM to GND, SHDN =
CLK
to T
input at 0.2f
OSC
PARAMETER
= 100kHz, T
PARAMETER
MAX
(kHz)
, unless otherwise noted. Typical values are at T
C
_______________________________________________________________________________________
53 · 10
.
A
C
= T
is defined as the clock frequency f
MIN
3
DD
/ C
to T
- 1V saturate the input and result in a 75µA typical input leakage current.
OSC
MAX
SYMBOL
f
f
f
f
IN
IN
IN
IN
I
PSRR
V
V
(pF).
SHDN
V
I
= 0.5f
= f
= 2f
= 3f
SDH
DD
SDL
, unless otherwise noted. Typical values are at T
DD
8th-Order, Lowpass, Butterworth,
C
C
C
OUT
C
/ ∆V
Operating mode, no load, IN = OS = COM
SHDN = GND, CLK driven from 0 to V
Measured at DC
V
SHDN
||
IN
50pF load to GND at OUT, SHDN = V
.
= 0 to V
CONDITIONS
CLK
Switched-Capacitor Filter
DD
A
CONDITIONS
= 100
= +25°C.)
·
f
C
at which the peak SINAD drops to 68dB with a sinusoidal
DD
A
DD
= +25°C.)
, V
COM =
V
DD
MIN
-0.1
-3.5
MIN
4.5
- 0.5
V
OS =
TYP
TYP
±0.1
V
-3.0
0.0
-48
-76
2.9
0.2
60
DD
/2
,
f
CLK
MAX
MAX
-2.5
±10
-43
-70
5.5
3.5
0.5
1
= 100kHz, T
UNITS
UNITS
dB
mA
dB
µA
µA
V
V
V
A
3