Datasheet MAX7409, MAX7410, MAX7413, MAX7414 (Maxim)

19-4766; Rev 1; 9/98
5th-Order, Lowpass, Switched-Capacitor Filters MAX7409/MAX7410/MAX7413/MAX7414 General Description Features
The MAX7409/MAX7410/MAX7413/MAX7414 5th-order, ♦
5th-Order Lowpass Filters
lowpass, switched-capacitor filters (SCFs) operate from
Bessel Response (MAX7409/MAX7413)
a single +5V (MAX7409/MAX7410) or +3V (MAX7413/
Butterworth Response (MAX7410/MAX7414)
MAX7414) supply. These devices draw only 1.2mA of supply current and allow corner frequencies from 1Hz ♦
Clock-Tunable Corner Frequency (1Hz to 15kHz)
to 15kHz, making them ideal for low-power post-DAC ♦
Single-Supply Operation
filtering and anti-aliasing applications. They feature a shutdown mode, which reduces the supply current to
+5V (MAX7409/MAX7410)
0.2µA.
+3V (MAX7413/MAX7414)
Two clocking options are available on these devices: ♦
Low Power
self-clocking (through the use of an external capacitor)
1.2mA (operating mode)
or external clocking for tighter corner-frequency control.
0.2µA (shutdown mode)
An offset adjust pin allows for adjustment of the DC out- ♦
Available in 8-Pin µMAX/DIP Packages
put level. ♦ The MAX7409/MAX7413 Bessel filters provide low over-
Low Output Offset: ±4mV
shoot and fast settling, while the MAX7410/MAX7414 Butterworth filters provide a maximally flat passband
Ordering Information
response. Their fixed response simplifies the design task to selecting a clock frequency.
PART TEMP. RANGE PIN-PACKAGE Applications MAX7409
CUA 0°C to +70°C 8 µMAX MAX7409CPA 0°C to +70°C 8 Plastic DIP ADC Anti-Aliasing CT2 Base Stations MAX7409EUA -40°C to +85°C 8 µMAX DAC Postfiltering Speech Processing MAX7409EPA -40°C to +85°C 8 Plastic DIP Air-Bag Electronics
MAX7410
CUA 0°C to +70°C 8 µMAX MAX7410CPA 0°C to +70°C 8 Plastic DIP
Selector Guide
MAX7410EUA -40°C to +85°C 8 µMAX
OPERATING
MAX7410EPA -40°C to +85°C 8 Plastic DIP
PART FILTER RESPONSE VOLTAGE (V) Ordering Information continued at end of data sheet.
MAX7409 Bessel +5 MAX7410 Butterworth +5 MAX7413 Bessel +3
Typical Operating Circuit
MAX7414 Butterworth +3 VSUPPLY
Pin Configuration
0.1µF TOP VIEW VDD SHDN INPUT IN OUT OUTPUT COM 1 8 CLK MAX7409 IN 2 7 SHDN MAX7410 MAX7409 MAX7413 GND 3 MAX7410 6 OS CLOCK CLK COM MAX7414 MAX7413 V MAX7414 OS 0.1µF DD 4 5 OUT GND µ
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