HT6P237A [HOLTEK]
Learning RF Encoder; 学习射频编码器
| 型号： | HT6P237A |
| 厂家： | 
HOLTEK SEMICONDUCTOR INC |
| 描述： | Learning RF Encoder |
| 文件： | 总10页 (文件大小：1994K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
HT6P237A/HT6P247A
Learning RF Encoder
Features
General Description
•ꢀ Operatingꢀvoltage:ꢀ2.0Vꢀ~3.6V
TheꢀHT6P2x7Aꢀdevicesꢀformꢀaꢀseriesꢀofꢀdataꢀencodersꢀ
whichꢀincludeꢀfullyꢀintegratedꢀASKꢀtransmittersꢀforꢀ
remoteꢀcontrolꢀsystemꢀapplications.ꢀTheseꢀhighlyꢀ
integratedꢀdevicesꢀareꢀtrueꢀ“switch-in,ꢀantenna-out”ꢀ
monolithicꢀdevices.ꢀTheyꢀencodeꢀ22ꢀorꢀ28ꢀbitsꢀofꢀ
informationꢀandꢀthenꢀseriallyꢀtransmitsꢀtheꢀdataꢀoutꢀ
onꢀtheirꢀPAOUTꢀpinꢀuponꢀreceiptꢀofꢀtransmissionꢀ
enableꢀ(Dataꢀpins:ꢀD0~D3ꢀorꢀB0~B1)ꢀsignals.ꢀTheyꢀ
encodeꢀaddressꢀandꢀdataꢀinformationꢀintoꢀaꢀcodedꢀ
waveformꢀsuitableꢀforꢀmodulationꢀandꢀtransmissionꢀ
usingꢀtheirꢀintegratedꢀRFꢀcircuits.ꢀTheꢀdevicesꢀofferꢀ
highꢀperformanceꢀinꢀtwoꢀareas:ꢀpowerꢀdeliveryꢀ
andꢀoperatingꢀtemperature.ꢀInꢀtermsꢀofꢀpower,ꢀtheꢀ
devicesꢀareꢀcapableꢀofꢀdeliveringꢀ+16ꢀdBmꢀintoꢀaꢀ50Ωꢀ
load.ꢀThisꢀpowerꢀlevelꢀenablesꢀaꢀsmallꢀformꢀfactorꢀ
transmitterꢀsuchꢀasꢀaꢀkeyꢀfobꢀtransmitterꢀtoꢀoperateꢀ
withꢀaꢀmaximumꢀdistance.ꢀInꢀtermsꢀofꢀtemperature,ꢀ
theyꢀcanꢀoperateꢀfromꢀ-40˚Cꢀtoꢀ85˚Cꢀwithꢀveryꢀlittleꢀ
frequencyꢀdrift.ꢀTheyꢀadditionallyꢀofferꢀexceptionalꢀ
easeꢀofꢀuseꢀandꢀcanꢀeasilyꢀpassꢀFCC/ETSIꢀregulations.ꢀ
Oneꢀonlyꢀneedsꢀaꢀfewꢀadditionalꢀcomponentsꢀforꢀ
harmonicꢀfiltering.ꢀꢀTheꢀdevicesꢀareꢀusedꢀwithꢀASK/
OOKꢀ(AmplitudeꢀShiftꢀKeying/On-OffꢀKeyed)ꢀUHFꢀ
receiverꢀtypesꢀfromꢀwide-bandꢀsuper-regenerativeꢀ
radiosꢀtoꢀnarrow-band,ꢀhighꢀperformanceꢀsuper-
heterodyneꢀreceiversꢀtoꢀformꢀaꢀcompleteꢀremoteꢀ
system.
•ꢀ AverageꢀOperatingꢀCurrent:
ꢀ
ꢀ
♦
20mAꢀ@ꢀVDD=3.0V,ꢀ12dBm;
30mAꢀ@ꢀVDD=3.0V,ꢀ16dBm
♦
•ꢀ Standbyꢀcurrent:ꢀ1.0μAꢀ(Max.)ꢀ@ꢀVDD=3V
•ꢀ HT6P237Aꢀcodesꢀareꢀfullyꢀcompatibleꢀwithꢀ
HT6P20B
•ꢀ Upꢀtoꢀ4ꢀdataꢀpins
•ꢀ Providingꢀ2ꢀcompoundꢀdataꢀtriggerꢀpins
•ꢀ Upꢀtoꢀ224ꢀaddressꢀcodesꢀ
•ꢀ 8ꢀbitꢀtimeꢀoptionꢀviaꢀ2ꢀpinꢀselection
•ꢀ IntegratedꢀcompleteꢀUHFꢀtransmitter
•ꢀ Frequencyꢀrangeꢀ300MHzꢀtoꢀ450MHzꢀ
•ꢀ SupportsꢀASK/OOKꢀmodulation
•ꢀ 3ꢀoutputꢀpowerꢀlevelsꢀ12dBm/14dBm/16dBmꢀviaꢀꢀ
1ꢀpinꢀselection
•ꢀ Minimalꢀexternalꢀcomponents
•ꢀ 16-PinꢀNSOPꢀpackage
Applications
•ꢀ Burglarꢀalarmꢀsystems
•ꢀ Smokeꢀandꢀfireꢀalarmꢀsystems
•ꢀ Carꢀalarmꢀsystems
•ꢀ Garageꢀdoorꢀremoteꢀcontrollers
•ꢀ HomeꢀSecurityꢀsystems
•ꢀ Otherꢀremoteꢀcontrolꢀsystems
Rev. 1.00
1
April 12, 2013
HT6P237A/HT6P247A
Block Diagram
V
D
D
O
S
P
X
X
N
I
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B
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1
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n
a
e
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B
T
0
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e
n
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e
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U
i
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t
D
D
3
2
D
t
a
a
L
a
c
h
t
D
1
D
0
3
*
2
L
P
L
P
A
P
O
A
T
U
B
0
M
x
i
A
d
d
e
s
r
D
s
t
/
a
a
B
1
D
U
O
T
V
S
S
P
V
S
S
Pin Assignment
2
2
d
A
d
e
s
r
s
+
2
a
D
a
t
2
4
d
A
d
e
s
r
s
+
4
a
D
a
t
N
C
B
V
D
D
D
X
X
P
S
T
S
S
G
B
1
D
3
2
1
0
O
1
2
3
4
5
6
7
8
1
1
1
1
1
1
1
6
5
4
3
2
1
0
1
2
3
4
5
6
7
8
1
1
1
1
1
1
1
6
5
4
3
2
1
0
S
D
B
0
B
0
B
S
T
1
1
0
B
S
T
1
D
B
S
T
0
B
S
T
0
D
O
S
P
O
S
P
U
O
T
D
U
V
D
D
V
D
D
U
O
I
V
T
X
X
P
U
O
I
V
V
S
S
N
V
S
S
N
P
A
T
O
U
S
S
P
A
T
O
U
S
S
9
9
H
6
T
2
P
3
7
A
H
6
T
2
P
4
7
A
1
6
N
O
S
-
P
A
1
6
N
O
S
-
P
A
Selection Table
Compound
Data No.
Part No.
VDD
Addr. No. Data No.
Trig.
Frequency Band RF Type Package
HT6P237A 2.0V~3.6V
HT6P247A 2.0V~3.6V
22
24
2
4
2
2
Data Low 300MHz~450MHz
Data Low 300MHz~450MHz
ASK TX
ASK TX
16NSOP
16NSOP
Rev. 1.00
2
April 12, 2013
HT6P237A/HT6P247A
Pin Description
Internal
Connection
Pin No.
Pin Name
I/O
Description
Compound pin – D0~D3 for B0 and D1~D2 for B1 in HT6P247A
Compound pin – D0~D1 for B0 in HT6P237A
1~2
B1~B0
I
I
CMOS IN
CMOS IN
Bit Time Select Pins Set to VDD, floating or ground to select 8 bit
width types
3~4
BTS1~BTS0
OPS
Output Power Select Pin. Set to VDD, floating or ground to select
one of 3 power output levels
5
I
CMOS IN
VDD: 16dBm, Floating: 14dBm, Gnd: 12dBm
6
VDD
VSS
P
P
—
—
Positive power supply
Negative power supply, ground
Pin 15 in the HT6P237A should be grounded
7/15
Power Amplify
Output
8
PAOUT
O
L/C matching circuit
9
PVSS
XIN
P
I
—
RF negative power supply, ground
10
11
12
Oscillator
Oscillator
13.56MHz Crystal oscillator input for 433.92MHz RF
13.56MHz Crystal oscillator output for 433.92MHz RF
XOUT
DOUT
O
O
I
CMOS OUT Encoder data out
13~16 D0~D3
CMOS IN
CMOS IN
Data input and transmission enable; active low
Bit time group select
0: Bit time group 1
1: Bit time group 2
BTSGS
(HT6P237A only)
16
I
This pin must be either high or low and not allowed to float
Approximate Internal Connections
O
c
s
l
a
i
l
o
t
r
C
M
O
S
N
I
P
l
u
-
l
i
h
h
g
C
M
O
S
I
/
N
U
O
T
C
M
O
S
O
U
T
V
D
D
Rev. 1.00
3
April 12, 2013
LogicꢀInputꢀVoltage
.................. VSS-0.3VꢀtoꢀVDD+0.3Vꢀ
LogicꢀSupplyꢀVoltage
................VSS-0.3VꢀtoꢀVSS+3.6V
StorageꢀTemperatureꢀ............................ -55˚Cꢀtoꢀ150˚C
OperatingꢀTemperatureꢀ.......................... -40˚Cꢀtoꢀ85˚C
HT6P237A/HT6P247A
Absolute Maximum Ratings
LogicꢀOutputꢀVoltageꢀ............... VSS-0.3VꢀtoꢀVDD+0.3V
Note:ꢀTheseꢀareꢀstressꢀratingsꢀonly.ꢀStressesꢀexceedingꢀtheꢀrangeꢀspecifiedꢀunderꢀ”AbsoluteꢀMaximumꢀRatings”ꢀ
mayꢀcauseꢀsubstantialꢀdamageꢀtoꢀtheꢀdevice.ꢀFunctionalꢀoperationꢀofꢀthisꢀdeviceꢀatꢀotherꢀconditionsꢀbeyondꢀ
thoseꢀlistedꢀinꢀtheꢀspecificationꢀisꢀnotꢀimpliedꢀandꢀprolongedꢀexposureꢀtoꢀextremeꢀconditionsꢀmayꢀaffectꢀ
deviceꢀreliability.
D.C. Characteristics
Ta=25°C
Test condition
Symbol
VDD
Parameter
Min.
Typ.
Max. Unit
VDD
—
3
condition
Logic Supply Voltage
Stand-by current
—
No load. Input pins floating
—
2.0
—
3
—
—
—
500
7
3.6
1.0
—
V
μA
V
ISB
VIH
VIL
RPL
IOH
IOL
“H” Input Voltage
—
—
3
0.8VDD
—
“L” Input Voltage
—
0.2VDD
—
V
Pull-high Resistance
Hi-level output current
Low-level output current
D0~D3, B0~B1
VOH=0.9VDD; DOUT
VOL=0.1VDD; DOUT
—
kΩ
mA
mA
3
—
—
3
—
2
—
R.F. Characteristics
Specifications apply for VDD=3.0V, TA=25°C, Freq 433MHz unless otherwise noted. RL 50Ω load (matched)
Test Conditions
P
Parameter
Min Typ Max Units
VDD
3V
3V
Conditions
@ 433MHz, POUT=+16dBm
@ 433MHz, POUT=+12dBm
—
21
Average Data Current*
(Data is 50% duty cycle)
I1
I0
—
—
—
—
mA
mA
12
5
Data LOW current
RF and Crystal
0
Floating
1
—
—
—
12
14
16
—
—
—
Output power level
3V
3V
OPS
dBm
Extinction ratio for ASK
10Kbps
—
—
—
—
76
1800
1
—
—
—
dBc
μs
Output Blanking
3V STDBY transition from Low to High
ASK to RF Out Response
Time
Delta between ASK Input Transition from Low to
High to RF Output Transition from Low to High
3V
μs
@867.84MHz, 2nd harm
3V
-50
-51
Harmonic output for
433.92 MHz
—
—
—
—
—
—
—
—
dBc
kHz
@1301.76MHz, 3rd harm
Occupied Bandwidth
3V @433.92MHz
<1000
-70
@100kHz from Carrier
3V
433.92 MHz Single Side
Band Phase Noise
dBc/Hz
pF
@1000kHz from Carrier
-75
XTLIN, XTLOUT
3V Pin capacitance
15
Note:ꢀItꢀisꢀrecommendedꢀthatꢀVDDꢀpowerꢀonꢀstabilityꢀtimeꢀshouldꢀbeꢀlessꢀthanꢀ500μsꢀtoꢀallowꢀtheꢀdeviceꢀtoꢀoperateꢀ
normally.
Rev. 1.00
4
April 12, 2013
HT6P237A/HT6P247A
Code bits
Functional Description
Theꢀdevicesꢀencodeꢀbothꢀaddressꢀandꢀdataꢀinformationꢀ
intoꢀanꢀencodedꢀwaveformꢀandꢀoutputꢀitꢀonꢀDOUT.ꢀ
ThisꢀwaveformꢀisꢀfedꢀtoꢀtheꢀRFꢀmodulatorꢀforꢀ
transmissionꢀpurposes.
Aꢀcodeꢀbitꢀisꢀtheꢀbasicꢀcomponentꢀofꢀtheꢀencodedꢀ
waveform,ꢀandꢀcanꢀbeꢀclassifiedꢀasꢀeitherꢀanꢀaddress/dataꢀ
bitꢀorꢀaꢀpilot-codeꢀwhichꢀisꢀaꢀsynchronousꢀbit.
Address/Data bit waveform
Normal Operation
Theꢀdevicesꢀencodeꢀandꢀtransmitsꢀtheꢀaddress/dataꢀ
informationꢀtoꢀaꢀdecoderꢀuponꢀreceiptꢀofꢀaꢀtriggerꢀ
signal.ꢀTheꢀtransmissionꢀfunctionꢀofꢀtheꢀseriesꢀareꢀ
enabledꢀbyꢀtheꢀdataꢀinputs,ꢀwhichꢀareꢀtheꢀactiveꢀlowꢀ
pinsꢀD0~D3ꢀandꢀB0~B1.ꢀTheꢀfollowingꢀdiagramꢀ
showsꢀtheꢀtransmissionꢀtimingꢀofꢀtheseꢀdevices.ꢀ
Anꢀaddress/dataꢀbitꢀcanꢀbeꢀdesignatedꢀasꢀeitherꢀaꢀ”0”ꢀ
orꢀ“1”ꢀbitꢀdependingꢀuponꢀitsꢀwaveformꢀtype.ꢀAꢀoneꢀ
bitꢀwaveformꢀconsistsꢀofꢀoneꢀpulseꢀcycle,ꢀasꢀshownꢀinꢀ
theꢀfollowingꢀdiagram.ꢀ
1λ
2λ
Bit “0”
D0~D3, B0, B1
t
DW
1ms
(typ.)
1λ
2λ
Bit “1”
DOUT
Pilot
code
Address/Data/End
code
Address/Data bit
Note:ꢀ1.ꢀAꢀ“0”ꢀconsistsꢀofꢀaꢀ“low”ꢀpulseꢀforꢀ1λꢀthenꢀaꢀ
“high”ꢀpulseꢀforꢀ2λ.
TheꢀtransmissionꢀsequenceꢀisꢀPilot,ꢀAddress,ꢀData,ꢀ
Endꢀcode.ꢀ
2.ꢀAꢀ“1”ꢀconsistsꢀofꢀaꢀ“low”ꢀpulseꢀforꢀ2λꢀthenꢀaꢀ
“high”ꢀpulseꢀforꢀ1λ.
D0~D3, B0, B1
> 1 code word
1pilot code<Active<1 code word
< 1 pilot code
One-Bit Data Width
DOUT
Thereꢀareꢀ8ꢀdifferentꢀone-bitꢀdataꢀwidthsꢀasꢀshownꢀinꢀ
theꢀfollowingꢀtable.ꢀTheyꢀareꢀselectedꢀbyꢀtheꢀcontrolꢀ
pinsꢀBTS1ꢀandꢀBTS0.ꢀInꢀtheꢀtableꢀ“F”ꢀrefersꢀtoꢀaꢀ
floatingꢀinputꢀlevel.
1 code word
Transmission Timing Diagram
Symbol
Parameter
Pin condition
Group 1
1.1
Group2
0.4
Unit
ms
—
0/0
0/F
0/1
F/0
F/F
F/1
1/0
1/ F
1/1
1.2
0.5
1.3
0.6
1.4
0.7
One bit data width
(tDW) @433.92MHz
tDW
BTS1/BTS0
1.5
0.8
1.6
0.9
1.76
1.9
2.0
2.1
NC
NC
Note:ꢀ1.ꢀGroup2ꢀisꢀonlyꢀavailableꢀforꢀtheꢀHT6P237A.
2.ꢀTheꢀBTS0ꢀandꢀBTS1ꢀpinsꢀcanꢀbeꢀsetꢀeitherꢀhigh,ꢀlowꢀorꢀfloating.
3.ꢀTheꢀBTS0ꢀandꢀBTS1ꢀpinsꢀshouldꢀneverꢀbeꢀbothꢀhighꢀasꢀthisꢀmayꢀcauseꢀerroneousꢀoperation.
4.ꢀIfꢀthereꢀisꢀanꢀoverlapꢀbitꢀtimeꢀrangeꢀthenꢀselectꢀtheꢀclosestꢀtypicalꢀbitꢀtime.ꢀForꢀexampleꢀifꢀtheꢀdesiredꢀbitꢀ
timeꢀisꢀ1.46ms,ꢀchoosingꢀtheꢀ1.5msꢀsettingꢀisꢀbest.
5.ꢀForꢀotherꢀfrequencies,ꢀtheꢀbitꢀtimeꢀwillꢀbeꢀtheꢀratioꢀofꢀ433.92/freq.ꢀForꢀexample,ꢀforꢀaꢀfrequencyꢀofꢀ
315MHz,ꢀtheꢀbitꢀtimeꢀ1.1msꢀwillꢀbeꢀ1.1×433.92/315=1.51ms.
Rev. 1.00
5
April 12, 2013
HT6P237A/HT6P247A
Synchronous bit Waveform
Operation Flowchart
Theꢀsynchronousꢀbitꢀwaveformꢀisꢀ8-bitsꢀlongꢀandꢀ
exhibitsꢀaꢀlowꢀpulseꢀforꢀ23λꢀfollowedꢀbyꢀaꢀhighꢀpulseꢀ
forꢀ1λꢀasꢀshownꢀinꢀtheꢀfollowingꢀbelow:
Power ON
Stand-By Mode
1λ
Pilot code
23λ
No
Data input Pin in
Low State
Code Word
Aꢀgroupꢀofꢀcodeꢀbitsꢀisꢀcalledꢀaꢀcodeꢀword.ꢀAꢀcodeꢀ
wordꢀconsistsꢀofꢀaꢀPilot-codeꢀ(Synchronousꢀbit)ꢀ
followedꢀbyꢀtheꢀaddress/dataꢀbitsꢀandꢀend-codeꢀasꢀ
shownꢀinꢀtheꢀfollowingꢀdiagram.
Yes
1 word of
pilot/address/data/end
transmitted
•ꢀ HT6P237A
Pilot-code
A0~A21
A0~A23
D1~D0
D3~D0
“0101”
“0101”
•ꢀ HT6P247A
No
Data input Pin
still in Low
State
Yes
Pilot-code
Application Circuit
Rev. 1.00
6
April 12, 2013
HT6P237A/HT6P247A
Rev. 1.00
7
April 12, 2013
HT6P237A/HT6P247A
Package Information
Noteꢀthatꢀtheꢀpackageꢀinformationꢀprovidedꢀhereꢀisꢀforꢀconsultationꢀpurposesꢀonly.ꢀAsꢀthisꢀinformationꢀmayꢀbeꢀ
updatedꢀatꢀregularꢀintervalsꢀusersꢀareꢀremindedꢀtoꢀconsultꢀtheꢀHoltekꢀwebsiteꢀforꢀtheꢀlatestꢀversionꢀofꢀtheꢀpackageꢀ
information.
Additionalꢀsupplementaryꢀinformationꢀwithꢀregardꢀtoꢀpackagingꢀisꢀlistedꢀbelow.ꢀClickꢀonꢀtheꢀrelevantꢀsectionꢀtoꢀbeꢀ
transferredꢀtoꢀtheꢀrelevantꢀwebsiteꢀpage.
•ꢀ FurtherꢀPackageꢀInformationꢀ(includeꢀOutlineꢀDimensions,ꢀProductꢀTapeꢀandꢀReelꢀSpecifications)
•ꢀ PackingꢀMeterialsꢀInformation
•ꢀ Cartonꢀinformation
•ꢀ PBꢀFREEꢀProducts
•ꢀ GreenꢀPackagesꢀProducts
Rev. 1.00
8
April 12, 2013
HT6P237A/HT6P247A
16-pin NSOP (150mil) Outline Dimensions
ꢀ
$
'
)
*
ꢀ
&
+
+
ꢁ
/
0
,
=
.
-
MS-012
Dimensions in inch
Symbol
Min.
Nom.
―
Max.
0.244
0.157
0.020
0.402
0.069
―
A
B
C
0.228
0.150
0.012
0.386
―
―
―
׳
C
―
D
E
F
―
―
0.050
―
0.004
0.016
0.007
0°
0.010
0.050
0.010
8°
G
H
α
―
―
―
Dimensions in mm
Symbol
Min.
5.79
3.81
0.30
9.80
―
Nom.
―
Max.
6.20
3.99
0.51
10.21
1.75
―
A
B
C
―
―
׳
C
―
D
E
F
―
―
1.27
―
0.10
0.41
0.18
0°
0.25
1.27
0.25
8°
G
H
α
―
―
―
Rev. 1.00
9
April 12, 2013
HT6P237A/HT6P247A
Copyright© 2013 by HOLTEK SEMICONDUCTOR INC.
The information appearing in this Data Sheet is believed to be accurate at the time
of publication. However, Holtek assumes no responsibility arising from the use of
the specifications described. The applications mentioned herein are used solely
for the purpose of illustration and Holtek makes no warranty or representation that
such applications will be suitable without further modification, nor recommends
the use of its products for application that may present a risk to human life due to
malfunction or otherwise. Holtek's products are not authorized for use as critical
components in life support devices or systems. Holtek reserves the right to alter
its products without prior notification. For the most up-to-date information, please
visit our web site at http://www.holtek.com.
Rev. 1.00
10
April 12, 2013
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