FSA850UCX [ONSEMI]
音频 3 极/4 极 MIC-GND 开关;
| 型号： | FSA850UCX |
| 厂家： | 
ONSEMI |
| 描述： | 音频 3 极/4 极 MIC-GND 开关 开关 |
| 文件： | 总10页 (文件大小：497K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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June 2016
FSA850
Audio 3-Pole / 4-Pole MIC-GND Switch
Description
Features
The FSA850 is a 3-pole or 4-pole audio jack microphone
GND switch for accessories with General-Purpose Input /
Output (GPIO) control signals. The FSA850 also has the
ability to perform 4-pole cross-point switching to support
Open Mobile Terminal Platform (OMTP) 4-pole headset
plugs. The architecture is designed to replace discrete
MOSFET solutions and allow common third-party
headphones to be used for listening to music or playing
video from mobile handsets, personal media players, and
portable peripheral devices.
Switch Type
VCC
3-Pole/4-Pole MIC - GND
2.3 to 4.5 V
THD (MIC)
0.001% Typical
ESD
IEC 61000-4-2 (Air Gap)
IEC 61000-4-2 (Contact)
HBM (All Pins)
GNDnA/GNDnB to GND
Power to GND
15 kV
8 kV
3 kV
8 kV
10 kV
2 kV
. Supports 4-Pole OMTP Cross Point Switching for GND
CDM
Connection
Operating Temperature
RON Maximum (GND1n)
RON Maximum (SENSE)
-40°C to 85°C
0.08 Ω
. Integrates a MIC switch for 3- or 4-Pole Configuration
Headset Plugs
1 Ω
. Reduces “Pop and Click” Caused by Microphone Bias
Applications
. 3.5 mm and 2.5 mm Audio Jacks
. Cellular Phones, Smart Phones
. MP3 and PMP (Portable Media Player)
Ordering Information
Operating
Part Number Temperature
Range
Top Mark
Package
Packing Method
12-Ball, Wafer-Level Chip-Scale Package 3000 units on Tape & Reel
(WLCSP), 3x4 Array, 0.4mm Pitch,
FSA850UCX
-40 to +85°C
M5
250 µm Ball
© 2011 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FSA850 • Rev. 1.12
Typical Application
FSA850
Charge
Pump,
Oscillator &
POR
VCC
01
SENSE
MIC
00/10
To Audio Plug
Detection
Block
MIC/GND2A
MIC/GND2B
11
Audio
10/11
CODEC
RMIC
MIC Bias
MIC +
00
CMIC
MIC/GND1A
MIC/GND1B
MIC -
S0
S1
3-Pole
L SPKR
10/11
00/10
Switch &
Charge
Pump
Control
Logic
4-Pole
R SPKR
Baseband
Processor
GPIO
GND
GPIO1
GPIO2
Figure 1. Typical Mobile Application
Analog Symbol
Charge
Pump,
Oscillator,
POR
VCC
01
00/10
SENSE
MIC
MIC/GND2A
MIC/GND2B
11
10/11
00
MIC/GND1A
MIC/GND1B
S0
00/10
10/11
Switch &
Charge
Pump
Control
Logic
S1
GND
Figure 2. Analog Symbol
Table 1. Functional Truth Table
S0
0
S1
0
GND
MIC/GND1A
SENSE
MIC
MIC/GND2A
HIGH-Z
MIC/GND2B
HIGH-Z
0
1
HIGH-Z
1
0
MIC/GND1A & MIC/GND1B
MIC/GND1B
MIC/GND2A & MIC/GND2B
MIC/GND2B
HIGH-Z
1
1
MIC/GND2A
© 2011 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FSA850 • Rev. 1.12
2
Pin Assignments
MIC
SENSE
Vcc
A
B
S1
GND
GND
S0
MIC/GND2A
MIC/GND2B
C
D
MIC/GND1B
MIC/GND1A
GND
1
2
3
Figure 3. Pin Assignments (Top Through View, Top Mark Side)
Pin Descriptions
Name
Ball #
Type
Description
MIC
A2
Switch Microphone, connects to microphone pre-amplifier
SENSE
A3
Switch Sense pin to detect GND offset
S0, S1
MIC/GND1A
MIC/GND2A
MIC/GND1B
MIC/GND2B
VCC
B3, B1
D3
Input MIC, SENSE, and MIC/GNDn switch-select pin
Switch GND switch, connects to pole 3 of audio jack
Switch GND switch, connects to pole 3 of audio jack
Switch GND switch, connects to pole 4 of audio jack
Switch GND switch, connects to pole 4 of audio jack
Power Supply voltage
C3
D1
C1
A1
GND
B2,C2,D2 Ground Ground for both the audio jack and PCB
© 2011 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FSA850 • Rev. 1.12
3
Absolute Maximum Ratings
Stresses exceeding the Absolute Maximum Ratings may damage the device. The device may not function or be operable
above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition,
extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute
maximum ratings are stress ratings only.
Symbol
VCC
Parameter
Min.
-0.5
-0.5
Max.
+5.5
VCC
Unit
V
Supply Voltage from Battery
Control Input Voltage (S0, S1)
Switch I/O Voltage
VCNTRL
V
VSWM, VSWG
-0.5
-50
VCC+0.5
V
(SENSE, MIC, MIC/GND1A, MIC/GND2A, MIC/GND1B, MIC/GND2B)
Input Clamp Diode Current(1)
Switch I/O Current (Continuous)(1) (SENSE, MIC, MIC/GND2A, MIC/GND2B)
GND Switch I/O Current (Continuous)(1) (MIC/GND1A, MIC/GND1B)
Storage Temperature Range
IIK
ISW
ID
mA
mA
mA
C
50
300
+150
+150
+260
15
TSTG
TJ
-65
Maximum Junction Temperature
C
TL
Lead Temperature (Soldering, 10 Seconds)
C
Air Gap
IEC 61000-4-2 System
ESD
Contact
8
All Other Pins (S0,S1, SENSE, MIC)
3
I/O to GND
(MIC/GND1A, MIC/GND2A, MIC/GND1B,
MIC/GND2B)
Human Body Model,
JEDEC JESD22-A114
ESD
kV
8
Power to GND
10
2
Charged Device Model,
JEDEC JESD22-C101
All Pins
Note:
1. The input and output negative ratings may be exceeded if the input and output diode current ratings are observed.
Recommended Operating Conditions
The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended operating
conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not recommend
exceeding them or designing to Absolute Maximum Ratings.
Symbol
Parameter
Min.
Max.
Unit
VCC
VCNTRL
VSWM
VSWG
TA
Battery Supply Voltage
2.3
0
4.5
VCC
VCC
1.0
V
V
Control Input Voltage (S0, S1)
Switch I/O Voltage (MIC)
0
V
Switch I/O Voltage (SENSE, MIC/GND1A, MIC/GND2A, MIC/GND1B, MIC/GND2B)
Operating Temperature
0
V
-40
+85
ºC
© 2011 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FSA850 • Rev. 1.12
4
DC Electrical Characteristics
All typical values are at TA = 25°C and VCC = 3.3V unless otherwise specified.
TA=- 40ºC to +85ºC
Symbol
Parameter
Condition
VCC (V)
Unit
Min. Typ. Max.
VIK
VIH
Clamp Diode Voltage
Input Voltage High
IIN=-18 mA
2.8
-1.2
V
V
2.3 to
4.5
VCNTRL=0 to VCC
1.0
2.3 to
4.5
VIL
IIN
Input Voltage Low
VCNTRL=0 to VCC
VCNTRL=0 to VCC
0.5
V
Control Input Leakage (S0,S1)
4.5
-1
1
µA
Off Leakage Current of Ports –
Sense, MIC, MIC/GNDnA, and
MIC/GNDnB
S[0:1]=01; SENSE=MIC=0.3 V;
VCC-0.3 V; MIC/GNDnA or
MIC/GNDnB=1V0.3V or Floating
2.3 to
4.5
IOZ
-1.00
0.05
0.05
1.00
µA
µA
S[0:1]=00, 10, 11;
SENSE=MIC=0.3V;
VCC-0.3V; MIC/GNDnA or
MIC/GNDnB=1V0.3V or Floating
On Leakage Current of Ports –
Sense, MIC, MIC/GNDnA, and
MIC/GNDnB
2.3 to
4.5
IAON
-1.00
1.00
VSWG=0 or 1V; VSWM=0 or VCC;
IOUT=0
ICC
ICCZ
ICCT
Quiescent Supply Current
4.5
4.5
4.5
15
20
1.0
3
µA
µA
µA
S[0:1]=01; VSWG=0 or 1 V;
VSWM=0 or VCC, IOUT=0
Quiescent Supply Current – Hi-Z
0.2
Increase in ICC Current Per Control
Voltage and VCC
S0, S1=1.65 V
ION=-24 mA, S[0:1]=00 or 11
MIC/GND2A or
MIC/GND2B=1.0 V
Switch On Resistance for SENSE
Switch Paths
RON_SEN
RONFLAT_SEN
RON_MIC
2.3
2.3
2.3
2.3
0.6
0.05
0.6
1.0
0.20
1.0
Ω
Ω
Ω
Ω
ION=-24 mA, S[0:1]=00 or 11
MIC/GND2A or MIC/GND2B=0 to
1.0 V
On Resistance Flatness for SENSE
Switch Paths
ION=-24 mA, S[0:1]=00 or 11
MIC/GND2A or
MIC/GND2B=1.0V
Switch On Resistance for MIC
Switch Paths
ION=-24 mA, S[0:1]=00 or 11
MIC/GND2A or MIC/GND2B=0.5
to VCC
On Resistance Flatness for MIC
Switch Path
RONFLAT_MIC
.08
0.5
2.3 to
4.5
VMIC
MIC Input Signal Range
0
0
VCC
80
1
V
mΩ
V
ION=-200 mA, S[0:1]=00 or 11
MIC/GND1A or MIC/GND1B
RDSON(GND) GND Switch On Resistance
VSENSE SENSE Input Signal Range
2.3
40
2.3 to
4.5
© 2011 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FSA850 • Rev. 1.12
5
AC Electrical Characteristics
All typical values are at TA = 25°C and VCC = 3.3V unless otherwise specified.
TA=- 40ºC to +85ºC
Min. Typ. Max.
Symbol
Parameter
Condition
VCC (V)
Unit
tON_MIC Turn-On Time (MIC, SENSE) S0, S1 to Output RL=10 kΩ, CL=10 pF
2.3 to 4.5
2.3 to 4.5
1
1
µs
µs
tOFF_MIC Turn-Off Time (MIC, SENSE) S0,S1 to Output
tENABLE Enable Time (MIC, SENSE) S0,S1 to Output
RL=10 kΩ, CL=10 pF
S[0:1]=01 to 00,10,11,
RL=10 kΩ, CL=10 pF
2.3 to 4.5
2.3 to 4.5
1
1
µs
µs
S[0:1]=00,10,11 to 01,
RL=10 kΩ, CL=10 pF
tDISABLE Turn-Off Time (MIC, SENSE) S0,S1 to Output
MIC and SENSE Switch
TA = -40 to +85°C
Min. Typ. Max.
Symbol
Parameter
Condition
VCC (V)
Unit
RT=600 Ω, VSW=0.5 VPP
f=20 Hz to 20 kHz,
VIN=1.8 V
,
THD
Total Harmonic Distortion - MIC
2.8
0.001
- 88
%
f=20 kHz, RS=600 Ω,
CL=0 pF, RT=600 Ω
VSW=0.2 VPP
OIRRM
Off Isolation – MIC/SENSE
2.8
dB
XTALKM
Crosstalk from MIC to SENSE
f=1 MHz, RL=100 Ω
2.8
2.8
-80
-54
dB
dB
f=2kHz, RL=32 Ω,
CL=0 pF, VIN=100 mVRMS
X-TalkSystem X-Talk Between Left and Right Speakers
Capacitance
TA=- 40ºC to +85ºC
Min. Typ. Max.
Symbol
Parameter
Condition
Unit
CIN
Control Pin Input Capacitance (S0, S1)
VCC=0 V, f=1 MHz
1.7
65
75
25
30
SENSE
On Capacitance
MIC
CONM
VCC=2.8 V, EN=VCC, f=1 MHz,
pF
SENSE
COFFM Off Capacitance
VCC=2.8 V, EN=0 V, f=1 MHz,
MIC
Power
TA = -40 to +85°C
Min. Typ. Max.
Symbol
Parameter
Conditions
VCC (V)
2.8
Unit
Power Supply Noise at 300 mVPP
Measured 10/90%,
f=217 Hz
,
PSRR Power Supply Rejection Ratio
-80
dB
SENSE/MIC: VIN=400 mVpk-pk
f=20 kHz, DC Bias=0.3 V,
RL=600 Ω
,
2.8
-0.4
-0.4
Insertion Loss through Switch
(VOUT/VIN)
IL
dB
SENSE/MIC: VIN=400 mVpk-pk
f=20 kHz, DC Bias=2.5 V,
RL=600 Ω
,
2.8
© 2011 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FSA850 • Rev. 1.12
6
The following information applies to the WL-CSP package dimensions on the next page:
Product Specific Dimensions
D
E
X
Y
1.56 mm
1.16 mm
0.18 mm
0.18 mm
© 2011 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FSA850 • Rev. 1.12
7
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Buyer is responsible for its products and applications using ON Semiconductor products, including compliance with all laws, regulations and safety requirements or standards,
regardless of any support or applications information provided by ON Semiconductor. “Typical” parameters which may be provided in ON Semiconductor data sheets and/or
specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer
application by customer’s technical experts. ON Semiconductor does not convey any license under its patent rights nor the rights of others. ON Semiconductor products are not
designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification
in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use ON Semiconductor products for any such unintended or unauthorized
application, Buyer shall indemnify and hold ON Semiconductor and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and
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