328ER250 PROWAVE, 328ER250 Datasheet - Page 2

RECEIVER, ULTRASONIC, 32.8KHZ, 25MM

328ER250

Manufacturer Part Number
328ER250
Description
RECEIVER, ULTRASONIC, 32.8KHZ, 25MM
Manufacturer
PROWAVE
Datasheet

Specifications of 328ER250

Sensor Type
Receiver
Sensitivity
-67dB
Beam Divergence
33°
External Diameter
25mm
Operating Temperature Range
-30°C To +80°C
Svhc
No SVHC (18-Jun-2010)
Angle
33°
Frequency
32.8kHz
Capacitance
2400pF
Rohs Compliant
Yes
External Length / Height
12mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
328ER250 Receiver
Sensitivity Variation vs. Loaded Resistor
Center Frequency Shift vs. Loaded Resistor
Sensitivity Variation vs. Temperature
Center Frequency Shift vs. Temperature
Air Ultrasonic Ceramic Transducers
-40
-45
-50
-55
-60
-65
-70
-75
-80
-1.0
-2.0
-3.0
-4.0
-5.0
-40
-45
-50
-55
-60
-65
-70
-75
-80
-1.0
-2.0
-3.0
-4.0
-5.0
5.0
4.0
3.0
2.0
1.0
0.0
5.0
4.0
3.0
2.0
1.0
0.0
1K
-40 -30
1K
-40 -30 -20 -10
-20 -10
3.9K
3.9K
0
0
Loaded Resistor (Ohm)
10
Temperature (Degree C)
Loaded Resistor (Ohm)
10
Temperature (Degree C)
10K
10K
20
20
30
30
40
40
39K
39K
50
50
60
60
100K
100K
70
70
80
80
90
90
390K
390K
100
100
328ET250 Transmitter
SPL Variation vs. Driving Voltage
Center Frequency Shift vs. Driving Voltage
SPL Variation vs. Temperature
Center Frequency Shift vs. Temperature
130
125
120
115
110
105
100
-1.0
-2.0
-3.0
-4.0
-5.0
-6.0
-7.0
130
125
120
115
110
105
100
-1.0
-2.0
-3.0
-4.0
-5.0
0.0
5.0
4.0
3.0
2.0
1.0
0.0
95
90
95
90
-40 -30 -20 -10
-40 -30 -20 -10
0
0
Max. Driving Voltage (Cont.) 20Vrms
2
2
4
4
6
6
Max. Driving Voltage (Cont.) 20Vrms
8
8
0
0
10
10
10
Temperature (Degree C)
Temperature (Degree C)
10
12
12
20
20
14
14
Vrms
Vrms
30
30
16
16
40
40
18
18
50
50
20
20
60
60
328ET/R250
22
22
70
70
24
24
80
80
26
26
90
90
28
28
100
100
30
30

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