S i 4 4 6 4 / 6 3 / 6 1 /6 0
H
I G H
- P
ERFORMANCE
, L
O W
-C
U R R E N T
T
RANSCEIVER
Features
Frequency range = 119–1050 MHz
Receive sensitivity = –126 dBm
Modulation
(G)FSK, 4(G)FSK, (G)MSK
OOK
Max output power
+20 dBm (Si4464/63)
+16 dBm (Si4461)
+13 dBm (Si4460)
PA support for +27 or +30 dBm
Low active power consumption
10/13 mA RX
18 mA TX at +10 dBm (Si4460)
Ultra low current powerdown modes
30 nA shutdown, 50 nA standby
Data rate = 100 bps to 1 Mbps
Fast wake and hop times
Power supply = 1.8 to 3.6 V
Excellent selectivity performance
60 dB adjacent channel
75 dB blocking at 1 MHz
Antenna diversity and T/R switch control
Highly configurable packet handler
TX and RX 64 byte FIFOs
Auto frequency control (AFC)
Automatic gain control (AGC)
Low BOM
Low battery detector
Temperature sensor
20-Pin QFN package
IEEE 802.15.4g compliant
FCC Part 90 Mask D, FCC part 15.247,
15,231, 15,249, ARIB T-108, T-96, T-67,
RCR STD-30, China regulatory
ETSI Class-I Operation with SAW
Pin Assignments
GPIO3
GPIO2
XOUT
15 nSEL
14 SDI
13 SDO
12 SCLK
7
TXRamp
8
VDD
9
GPIO0
10 11 nIRQ
GPIO1
GND
XIN
SDN
1
20 19 18 17 16
Applications
RXp 2
Description
Silicon Laboratories' Si446x devices are high-performance, low-current
transceivers covering the sub-GHz frequency bands from 119 to 1050 MHz. The
radios are part of the EZRadioPRO
®
family, which includes a complete line of
transmitters, receivers, and transceivers covering a wide range of applications. All
parts offer outstanding sensitivity of –126 dBm while achieving extremely low
active and standby current consumption. The Si4463/61/60 offers frequency
coverage in all major bands. The Si4464 offers frequency coverage in bands not
covered by Si4463/61/60. Typically, these are non-standard frequencies or
licensed frequency bands. The Si446x includes optimal phase noise, blocking,
and selectivity performance for narrow band and licensed band applications, such
as FCC Part90 and 169 MHz wireless Mbus. The 60 dB adjacent channel
selectivity with 12.5 kHz channel spacing ensures robust receive operation in
harsh RF conditions, which is particularly important for narrow band operation.
The Si4464/63 offers exceptional output power of up to +20 dBm with outstanding
TX efficiency. The high output power and sensitivity results in an industry-leading
link budget of 146 dB allowing extended ranges and highly robust communication
links. The Si4460 active mode TX current consumption of 18 mA at +10 dBm and
RX current of 10 mA coupled with extremely low standby current and fast wake
times ensure extended battery life in the most demanding applications. The
Si4464/63 can achieve up to +27 dBm output power with built-in ramping control
of a low-cost external FET. The devices can meet worldwide regulatory standards:
FCC, ETSI, and ARIB. All devices are designed to be compliant with 802.15.4g
and WMbus smart metering standards. The devices are highly flexible and can be
configured via the Wireless Development Suite (WDS) available on the Silicon
Labs web site.
Patents pending
Rev 1.2 1/16
Copyright © 2016 by Silicon Laboratories
VDD
Smart metering (802.15.4g & MBus)
Remote control
Home security and alarm
Telemetry
Garage and gate openers
Remote keyless entry
Home automation
Industrial control
Sensor networks
Health monitors
Electronic shelf labels
RXn 3
TX 4
NC 5
6
GND
PAD
Si4464/63/62/61/60
Si4464/63/61/60
Functional Block Diagram
GPIO3 GPIO2
Loop
Filter
VCO
FBDIV
TX DIV
SDN
RF
PKDET
LNA
PGA
LO
Gen
IF
PKDET
MODEM
FIFO
Packet
Handler
nSEL
SDI
SDO
SCLK
nIRQ
Frac-N Div
30 MHz XO
Bootup
OSC
PFD / CP
XIN XOUT
SPI Interface
Controller
RXP
RXN
ADC
TX
PA
PowerRamp
Cntl
PA
LDO
LDOs
POR
LBD
32K LP
OSC
VDD
Digital
Logic
VDD
TXRAMP
GPIO0 GPIO1
Product
Si4464
Si4463
Si4461
Si4460
Freq. Range
Banded
119–960 MHz
Major bands
142-1050 MHz
Major bands
142-1050 MHz
Major bands
142-1050 MHz
Max Output
Power
+20 dBm
+20 dBm
+16 dBm
+13 dBm
TX Current
915 MHz: 85 mA
169 MHz: 70 mA
915 MHz: 85 mA
+13 dBm: 29 mA
+14 dBm: 33 mA
+10 dBm: 18 mA
+11 dBm: 20 mA
RX Current
10.6/13.6 mA
10/13 mA
10/13 mA
10/13 mA
Narrow Band
Support
Image Cal
2
Rev 1.2
Si4464/63/61/60
T
ABLE
Section
OF
C
ONTENTS
Page
1. Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
1.1. Definition of Test Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2. Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3. Controller Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.1. Serial Peripheral Interface (SPI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.2. Fast Response Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
3.3. Operating Modes and Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.4. Application Programming Interface (API) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
3.5. Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
3.6. GPIO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4. Modulation and Hardware Configuration Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
4.1. MODEM_MOD_TYPE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
4.2. Modulation Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
4.3. Hardware Configuration Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
4.4. Preamble Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
5. Internal Functional Blocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
5.1. RX Chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
5.2. RX Modem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
5.3. Synthesizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
5.4. Transmitter (TX) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
5.5. Crystal Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
6. Data Handling and Packet Handler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
6.1. RX and TX FIFOs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
6.2. Packet Handler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
7. RX Modem Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
8. Auxiliary Blocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
8.1. Wake-up Timer and 32 kHz Clock Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
8.2. Low Duty Cycle Mode (Auto RX Wake-Up) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
8.3. Temperature, Battery Voltage, and Auxiliary ADC . . . . . . . . . . . . . . . . . . . . . . . . . . 44
8.4. Low Battery Detector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
8.5. Antenna Diversity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
9. Pin Descriptions: Si4464/63/61/60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
10. Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
11. Package Outline: Si4464/63/61/60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49
12. PCB Land Pattern: Si4464/63/61/60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
13. Top Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
13.1. Si4464/63/61/60 Top Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
13.2. Top Marking Explanation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Document Change List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
Contact Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
Rev 1.2
3
Si4464/63/61/60
1. Electrical Specifications
Table 1. DC Characteristics
1
Parameter
Supply Voltage
Range
Symbol
V
DD
RC Oscillator, Main Digital Regulator,
and Low Power Digital Regulator OFF
Register values maintained and RC
oscillator/WUT OFF
RC Oscillator/WUT ON and all register values main-
tained, and all other blocks OFF
Sleep current using an external 32 kHz crystal.
2
Low battery detector ON, register values maintained,
and all other blocks OFF
Crystal Oscillator and Main Digital Regulator ON,
all other blocks OFF
RX Tune, High Performance Mode
TX Tune, High Performance Mode
High Performance Mode
Low Power Mode
2
+20 dBm output power, class-E match, 915 MHz,
3.3 V
+20 dBm output power, class-E match, 460 MHz,
3.3 V
+20 dBm output power, square-wave match,
169 MHz, 3.3 V
TX Mode Current
(Si4461)
I
TX_+16
I
TX_+14
I
TX_+13
TX Mode Current
(Si4460)
I
TX_+10
+16 dBm output power, class-E match, 868 MHz,
3.3 V
2
+14 dBm output power, Switched-current match,
868 MHz, 3.3 V
2
+13 dBm output power, switched-current match,
868 MHz, 3.3 V
2
+10 dBm output power, Class-E match, 868 MHz,
3.3 V
2
Test Condition
Min
1.8
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Typ
3.3
30
50
900
1.7
1
1.8
7.2
8
13.7
10.7
85
75
70
43
37
29
18
Max
3.6
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Unit
V
nA
nA
nA
µA
µA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
Power Saving Modes I
Shutdown
I
Standby
I
SleepRC
I
SleepXO
I
Sensor
-LBD
I
Ready
TUNE Mode Current
RX Mode Current
TX Mode Current
(Si4464/63)
I
Tune_RX
I
Tune_TX
I
RXH
I
RXL
I
TX_+20
Notes:
1.
All specifications guaranteed by production test unless otherwise noted. Production test conditions and max limits are
listed in the "Production Test Conditions" section of "1.1. Definition of Test Conditions" on page 14.
2.
Guaranteed by qualification. Qualification test conditions are listed in the “Qualification Test Conditions” section in "1.1.
Definition of Test Conditions" on page 14.
4
Rev 1.2
Si4464/63/61/60
Table 2. Synthesizer AC Electrical Characteristics
1
Parameter
Synthesizer Frequency
Range (Si4463/61/60)
Symbol
F
SYN
Test Condition
Min
850
420
284
142
Synthesizer Frequency
Range (Si4464)
F
SYN
705
353
177
119
Synthesizer Frequency
Resolution
3
F
RES-960
F
RES-525
F
RES-350
F
RES-175
Synthesizer Frequency
Resolution (Si4464)
3
F
RES-960
F
RES-639
F
RES-479
F
RES-319
F
RES-239
F
RES-159
Synthesizer Settling Time
4
t
LOCK
850–1050 MHz
420–525 MHz
283–350 MHz
142–175 MHz
705–960 MHz
470–639 MHz
353–479 MHz
235–319 MHz
177–239 MHz
119–159 MHz
Measured from exiting Ready mode with
XOSC running to any frequency.
Including VCO Calibration.
F
= 10 kHz, 460 MHz, High Perf Mode
F
= 100 kHz, 460 MHz, High Perf Mode
F
= 1 MHz, 460 MHz, High Perf Mode
F
= 10 MHz, 460 MHz, High Perf Mode
—
—
—
—
—
—
—
—
—
—
—
Typ
—
—
—
—
—
—
—
—
28.6
14.3
9.5
4.7
28.6
19.1
14.3
9.5
7.1
4.7
50
Max
1050
525
350
175
960
639
319
159
—
—
—
—
—
—
—
—
—
—
—
Unit
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
Hz
Hz
Hz
Hz
Hz
Hz
Hz
Hz
Hz
Hz
µs
Phase Noise
4
L(f
M
)
—
—
—
—
–106
–110
–123
–130
—
—
—
—
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
Notes:
1.
All specification guaranteed by production test unless otherwise noted. Production test conditions and max limits are
listed in the “Production Test Conditions” section in "1.1. Definition of Test Conditions" on page 14.
2.
For applications that use the major bands covered by Si4463/61/60, customers should use those parts instead of
Si4464.
3.
Default API setting for modulation deviation resolution is double the typical value specified.
4.
Guaranteed by qualification. Qualification test conditions are listed in the "Qualification Test Conditions" section in "1.1.
Definition of Test Conditions" on page 14.
Rev 1.2
5
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