BU21050FS-E2 Rohm Semiconductor, BU21050FS-E2 Datasheet - Page 4

• Manufacturer Part Number: BU21050FS-E2
• Description: IC CAP SENSOR SWITCH 8CH 32-SSOP
• Manufacturer: Rohm Semiconductor
• Type: Capacitive Switchr

Specifications of BU21050FS-E2

• Package / Case: 32-SSOP
• Input Type: Logic
• Output Type: Logic
• Interface: Port
• Current - Supply: 550µA
• Mounting Type: Surface Mount
• Supply Current: 550µA
• Supply Voltage Range: 4.5V To 5.5V
• Sensor Case Style: SSOP
• No. Of Pins: 32
• Operating Temperature Range: -40°C To +85°C
• Svhc: No SVHC (18-Jun-2010)
• Base: RoHS Compliant
• Supply Voltage: 5 V
• Dimensions: 13.6 mm L x 7.8 mm W x 1.8 mm H
• Power Dissipation: 760 mW
• Temperature Range: - 55 C to + 125 C
• Termination Style: SMD/SMT
• Base Number: 21050
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: BU21050FS-E2TR

●Pin Description
© 2009 ROHM Co., Ltd. All rights reserved.
BU21050FS
www.rohm.com
No.
Pin
10
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
11
※*1 Initial State
※2 “Hi-Z” when PIO Mode
※3 “L” when Binary Mode
1
2
3
4
5
6
7
8
9
GAIN[0]
GAIN[1]
THOFF
FILTER
DVDD
THON
IFSEL
INSEL
Name
SREF
AVDD
TST0
TST1
TST2
TST3
SDN
GND
SIN1
SIN2
SIN3
SIN4
SIN5
SIN6
SIN7
SIN8
PO8
PO7
PO6
PO5
PO4
PO3
PO2
PO1
①When internal organs power-on reset is effective
②When SDN=”L”
Ground Ground
Power Digital part Power supply
Power Analog part Power supply
Out
Out
Out
Out
Out
Out
Out
Out
AIn
AIn
AIn
AIn
AIn
AIn
AIn
AIn
AIn
AIn
I/O
Ain
In
In
In
In
In
In
In
In
In
In
Shutdown input
Standard capacitor input
Sensor input1
Sensor input 2
Sensor input 3
Sensor input 4
Sensor input 5
Sensor input 6
Sensor input 7
Sensor input 8
Sensor ON threshold voltage
input
Sensor OFF threshold voltage
input
Filter selection
Sensor output selection
simultaneous push selection
Gain level selection
sensor output8
sensor output7
sensor output6
sensor output5
sensor output4/BIN[3]
sensor output3/BIN[2]
sensor output2/BIN[1]
sensor output1/BIN[0]
digital part test input0
digital part test input1
digital part test input2
digital part test input3
Function
“H” : state of operation
“L” halt condition
Digital part Power supply
“H”: Filter effect: strong
“L”: Filter effect: Weak
“H” :ON : L-Active,
OFF : Nch Open Drain
“L”: 4bit Binary Mode
H-Active, L
“H” : simultaneous push
banned
“L” : 8 outputs setting
GAIN[1:0] = 00 : Strong
GAIN[1:0] = 01 :
GAIN[1:0] = 10 :
GAIN[1:0] = 11 : Week
INSEL=“L”: Binary Mode
0000 = Button OFF
0001 = SIN1 ON
1000 = SIN8 ON
Usually tide to “L”
Usually tide to “L”
Usually tide to “L”
Usually tide to “L”
4/7
Note
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Gain
Supply
DVDD
DVDD
DVDD
DVDD
DVDD
DVDD
DVDD
DVDD
DVDD
DVDD
DVDD
DVDD
DVDD
DVDD
DVDD
DVDD
DVDD
DVDD
AVDD
AVDD
AVDD
AVDD
AVDD
AVDD
AVDD
AVDD
AVDD
AVDD
AVDD
-
-
-
“Hi-Z”
Reset Level I/O Pad
“Hi-Z”
“Hi-Z”
“Hi-Z”
“Hi-Z”
“Hi-Z”
“Hi-Z”
“Hi-Z”
“Hi-Z”
“Hi-Z”
“Hi-Z”
“Hi-Z”
“Hi-Z”
“Hi-Z”
“Hi-Z”
“Hi-Z”
“Hi-Z”
“Hi-Z”
“Hi-Z”
Technical Note
2009.04 - Rev.B
*2
“L”
“L”
“L”
“L”
“L”
“L”
“L”
“L”
*3
①
③
③
③
③
③
③
③
③
③
③
③
①
①
①
①
①
②
②
②
②
②
②
②
②
①
①
①
①