BD9251FV-E2 Rohm Semiconductor, BD9251FV-E2 Datasheet - Page 3

• Manufacturer Part Number: BD9251FV-E2
• Description: IC PREAMP HBD PIR SENSOR 14-SSOP
• Manufacturer: Rohm Semiconductor
• Type: Preamplifierr

Specifications of BD9251FV-E2

• Input Type: Voltage
• Output Type: Voltage
• Current - Supply: 300µA
• Mounting Type: Surface Mount
• Package / Case: 14-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Interface: -
• Other names: BD9251FV-E2TR

●PIN Description
●Block Diagram/Application
PIN No.
Pyroelectric
sensor
10
11
12
13
14
1
2
3
4
5
6
7
8
9
Please decide the constant after it confirms it enough examining the characteristic and the condition of the pyroelectric sensor.
D
S
G
DRAIN
A1P_IN
C2
C3
C4
PIN Name
REF_OUT
COMP_IN
A1_OUT
A2_OUT
A1N_IN
A2N_IN
A1P_IN
A2P_DI
D_OUT
DRAIN
T_OUT
GND
VDD
NC
R1
A1N_IN
+
-
A1_OUT
AMP1
R2
C5
Ground
NC
Power supply for pyroelectric infrared sensor
Sensor input
Amp1 n-input
Amp1 output
Amp2 diode output
Amp2 n-input
Amp2 output, Analog output
Reference voltage (1/2VDD) output
Comparator input
Comparator output
Moving detection output
Power supply
A2P_DI
C6
A2N_IN
R3
REV. A
Regulator
Voltage
+
-
A2_OUT
AMP2
R4
C7
Function
VDD
C8
REF_OUT
R5
C1
COMP_IN
-
+
-
+
Preamp ＩＣ
GND
Ｓ
Ｒ
D_OUT
T_OUT
Remarks
3/4