MAX295CSA+ Maxim Integrated Products, MAX295CSA+ Datasheet - Page 5

• Manufacturer Part Number: MAX295CSA+
• Description: IC FILTER LOWPASS 8-SOIC
• Manufacturer: Maxim Integrated Products

Specifications of MAX295CSA+

• Filter Type: Butterworth, Lowpass Switched Capacitor
• Frequency - Cutoff Or Center: 25kHz
• Number Of Filters: 1
• Max-order: 8th
• Voltage - Supply: 4.75 V ~ 11 V, ±2.375 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Number Of Channels: Single
• Cutoff Frequency: 50 KHz
• Supply Voltage (max): 11 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Supply Voltage (min): 4.75 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(V+ = 5V, V- = -5V, R
-180
-270
-360
-450
-540
-630
-12
-20
-28
-90
-16
-24
-4
-8
0
0
MAX296 LOW-VOLTAGE PHASE RESPONSE
0 0.2 0.4 0.6
0 0.2 0.4 0.6
MAX296 LOW-VOLTAGE
FREQUENCY RESPONSE
-40
-45
-50
-55
-60
-65
-70
-75
-80
INPUT FREQUENCY (F/FC)
INPUT FREQUENCY (F/FC)
1
_______________________________________________________________________________________
0.8 1.0
LOAD
0.8 1.0
C: f
INPUT FREQ. = 400Hz
MEAS. BANDWIDTH = 30kHz
D: f
INPUT FREQ. = 2kHz
MEAS. BANDWIDTH = 80kHz
2
CLK
CLK
INPUT SIGNAL AMPLITUDE
F
MAX295 THD + NOISE vs.
F
C
= 5kΩ, T
C
= 200kHz F
3
= 2kHz
= 1MHz F
1.2 1.4
1.2 1.4
= 2kHz
AMPLITUDE (Vp-p)
F
4
C
V+ = +2.5V
V- = -2.5V
V+ = +2.5V
V- = -2.5V
F
= 20kHz
C
1.6 1.8
= 20kHz
1.6 1.8
o
5
o
A
= 20kHz
= 4kHz
= +25°C, unless otherwise noted.)
6
D
C
2.0
2.0
7
8
-160
-240
-320
-400
-480
-560
Typical Operating Characteristics (continued)
-80
-12
-16
-20
-28
-24
9
-4
-8
0
0
1.0
10
1.0
MAX291 LOW-FREQUENCY
Switched-Capacitor Filters
1.1
1.1
MAX291 LOW-VOLTAGE
FREQUENCY RESPONSE
INPUT FREQUENCY (F/FC)
INPUT FREQUENCY (F/FC)
PHASE RESPONSE
1.2
1.2
F
C
F
= 1kHz
C
= 1kHz
1.3
1.3
F
F
C
C
V+ = +2.5V
V- = -2.5V
= 20kHz
V+ = +2.5V
V- = -2.5V
= 20kHz
8th-Order, Lowpass,
1.4
1.4
-40
-45
-50
-55
-60
-65
-70
-75
-80
1.5
1.5
1
C: f
INPUT FREQ. = 400Hz
MEAS. BANDWIDTH = 30kHz
D: f
INPUT FREQ. = 2kHz
MEAS. BANDWIDTH = 80kHz
2
CLK
C
CLK
INPUT SIGNAL AMPLITUDE
MAX296 THD + NOISE vs.
-40
-45
-50
-55
-60
-65
-70
-75
-80
-40
-45
-50
-60
-70
-80
= 200kHz F
-55
-65
-75
= 1MHz F
3
AMPLITUDE (Vp-p)
1
4
1
A: f
INPUT FREQ. = 200Hz
MEAS. BANDWIDTH = 30kHz
A: f
INPUT FREQ. = 200Hz
MEAS. BANDWIDTH = 30kHz
B: f
INPUT FREQ. = 1kHz
MEAS. BANDWIDTH = 80kHz
B: f
INPUT FREQ. = 1kHz
MEAS. BANDWIDTH = 80kHz
o
2
5
2
o
= 20kHz
CLK
CLK
CLK
= 4kHz
CLK
INPUT SIGNAL AMPLITUDE
INPUT SIGNAL AMPLITUDE
MAX292 THD + NOISE vs.
MAX291 THD + NOISE vs.
= 200kHz F
= 200kHz F
A
= 1MHz F
3
6
= 1MHz F
3
D
B
AMPLITUDE (Vp-p)
AMPLITUDE (Vp-p)
4
7
4
o
o
5
5
o
8
o
= 1kHz
= 1kHz
= 2kHz
= 2kHz
9
6
B
6
A
10
7
7
8
8
9
9
10
10
5