PW0268 PROWAVE, PW0268 Datasheet - Page 4

• Manufacturer Part Number: PW0268
• Description: IC, ULTRASONIC SONAR RANGING, SSOP-20
• Manufacturer: PROWAVE

Specifications of PW0268

• Supply Current: 11mA
• Supply Voltage Range: 5.5V To 11V
• Sensor Case Style: SSOP
• No. Of Pins: 20
• Operating Temperature Range: -40°C To +85°C
• Termination Type: SMD
• Supply Voltage Max: 11V
• Filter Terminals: SMD
• Rohs Compliant: Yes
• Frequency Response Max: 250kHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Pins Description:
Application Circuit
Echo
Pin
10
MMBT3904
1
2
3
4
5
6
7
8
9
Vcc
High Level Pulse
MCU
10K
TCG_O
TCG_I
ECHO
3
2
1
GR_O
Name
HP_O
LP_O
GR_I
HP_I
LP_I
I_O
3
2
1
3
2
1
Vcc
Input/Output
High pass filter output
High pass filter input
Low pass filter output
Low pass filter input
Time controlled gain output
Time controlled gain input
External adjustable gain output
External adjustable gain input
Receiving echo input
100u
:
for car reversing aids (values should be changed for other applications)
Vref
20
1
100u
Vcc
19
2
Description
2.7K
100u
13K
Vreg
18
3
Vref
680p
17
4
680p
47K
R4
470p
PW0268
16
Vref
5
660KHZ
2200p
4.7K
C2
22p
15
6
4
R1
4.7K
Pin
12
13
14
15
16
17
18
19
1K
11
20
14
7
Driver_O Transducer driving output
C1
10n
ORC1
ORC2
ORC3
Name
Ftrace
GND
CLK
Vreg
Vref
Vcc
13
8
BAV99
D1
R2
Vref
12
9
Pro-Wave Electronics Corp.
Tel: [phone]
Fax: [phone]
E-mail: [e-mail]
URL: http://www.prowave.com.tw
Frequency tracing input
RC oscillator: terminal 1
RC oscillator: terminal 2
RC oscillator: terminal 3
System clock
Ground
Regulated voltage for internal
analogue devices
Power supply
Reference voltage output
D2
R3
39K
Vcc
11
10
100
220u
Description
1
2
470p
BAV99
BSS123
IFT
3
4
Vref
Vref
6.8K
Ultrasonic Transducer
20K
400EP14D