Rainbow Electronics MAX7407 - Manual (Page 3)

MAX7400/MAX7403/MAX7404/MAX7407
8th-Order, Lowpass, Elliptic,
Switched-Capacitor Filters
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ELECTRICAL CHARACTERISTICS—MAX7400/MAX7403 (continued)
(V DD = +5V, filter output measured at OUT, 10k
Ω
|| 50pF load to GND at OUT, SHDN = V DD , OS = COM, 0.1µF from COM to GND,
f CLK = 100kHz, T A = T MIN to T MAX , unless otherwise noted. Typical values are at T
A
= +25°C.)
ELECTRICAL CHARACTERISTICS—MAX7404/MAX7407
(V DD = +3V, filter output measured at OUT, 10k Ω || 50pF load to GND at OUT, SHDN = V DD , OS = COM, 0.1µF from COM to GND,
f CLK = 100kHz, T A = T MIN to T MAX , unless otherwise noted. Typical values are at T A = +25°C.)
SHUTDOWN
POWER REQUIREMENTS
SHDN Input Leakage Current ±0.1 ±10 µA V SHDN = 0 to V DD
SHDN Input High
V SDL 0.5
V V SDH V DD - 0.5
PARAMETER SYMBOL MIN TYP MAX UNITS
Power-Supply Rejection Ratio PSRR 60 dB
Shutdown Current I SHDN 0.2 1 µA
Supply Voltage V DD 4.5 5.5 V
Supply Current I DD 2 3.5 mA
CONDITIONS
Measured at DC
SHDN = GND, CLK driven from 0 to V
DD
Operating mode, no load, IN = OS = COM
FILTER CHARACTERISTICS
Total Harmonic Distortion
plus Noise
PARAMETER SYMBOL MIN TYP MAX UNITS
DC Insertion Gain with Output
Offset Removed
-0.1 0.1 0.3 dB
Output Offset Voltage V OFFSET ±5 ±25 mV
Output Voltage Range 0.25 V DD - 0.25 V
Clock-to-Corner Tempco 10 ppm/°C
THD+N
-77
dB
MAX7407
MAX7404 -79
OS Voltage Gain to OUT A OS 1 V/V
Input Voltage Range at OS V OS V COM ±0.1 V
Corner Frequency f C 0.001 to 10 kHz
Clock-to-Corner Ratio f CLK /f C 100:1
V DD / 2
V DD / 2
V DD / 2
- 0.1 + 0.1
V COM Voltage Range V COM
Input Resistance at COM R COM 75 125 k Ω
Clock Feedthrough 10 mVp-p
Resistive Output Load Drive R L 10 1 k
Ω
Maximum Capacitive Load
at OUT
C L 50 500 pF
Input Leakage Current at COM ±0.1 ±10 µA
Input Leakage Current at OS ±0.1 ±10 µA
CONDITIONS
COM internally biased or externally driven
V COM = V DD / 2 (Note 2)
V IN = V COM = V DD / 2
f IN = 200Hz, V IN = 2.5Vp-p,
measurement bandwidth = 22kHz
SHDN = GND, V
COM = 0 to V DD
(Note 1)
V OS = 0 to (V DD - 1V) (Note 3)
SHDN Input Low V