Datasheet

MAX260/MAX261/MAX262
Microprocessor Programmable
Universal Active Filters
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ELECTRICAL CHARACTERISTICS (continued)
(V
+
= +5V, V
-
= -5V, CLK
A
= CLK
B
= ±5V 350kHz for the MAX260 and 1.5MHz for the MAX261/MAX262, f
CLK
/f
0
= 199.49 for
MAX260/MAX261 and 139.80 for MAX262, Filter Mode 1, T
A
= +25°C, unless otherwise noted.)
PARAMETER CONDITIONS MIN TYP MAX UNITS
MAX260A ±0.05 ±0.25
MAX260B ±0.15 ±0.45
MAX261A ±0.40 ±1.00
MAX261B ±0.80 ±1.60
MAX262A ±0.40 ±1.20
T
A
= T
MIN
to T
MAX
, Q = 4
Mode 1
MAX262B ±0.80 ±1.60
MAX260A
±0.075
±0.30
MAX260B
±0.075
±0.50
MAX261A
±0.50
±1.10
MAX261B
±0.90
±1.60
MAX262A
±0.50
±1.30
Offset Voltage At Filter
Outputs—LP, BP, HP (Note 3)
Mode 3
MAX262B
±0.90
±1.60
V
Offset Voltage Temperature
Coefficient
f
CLK
/f
0
= 100.53, Q = 4
T
A
= T
MIN
to T
MAX
±0.75 mV/°C
Clock Feedthrough
±4 mV
Crosstalk
-70 dB
Q = 1, 2nd-Order, LP/BP See Typ. Oper. Char.
4th-Order LP (Figure 26) 90Wideband Noise
4th-Order BP (Figure 24) (Note 4) 100
µV
RMS
Harmonic Distortion at f
0
Q = 4, V
IN
= 1.5V
P-P
-67 dB
Supply Voltage Range T
A
= T
MIN
to T
MAX
±2.37 ±5 ±6.3 V
MAX260 15 20
MAX261 16 20
Power Supply Current (Note 5)
T
A
= T
MIN
to T
MAX
CMOS Level Logic Inputs
MAX262 16 20
mA
Shutdown Supply Current
Q0
A
- Q6
A
= all 0,
CMOS Level Logic Inputs (Note 5)
1.5 mA
INTERNAL AMPLIFIERS
Output Signal Swing T
A
= T
MIN
to T
MAX
, 10kΩ load (Note 6) ±4.75 V
Source
50
Output Signal Circuit Current
Sink 2
mA
Power Supply Rejection Ratio 0Hz to 10kHz -70 dB
Gain Bandwidth Product 2.5 MHz
Slew Rate
6V/
µ
s