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Zarlink Semiconductor
Zarlink Semiconductor

ZL70100 Datasheet Preview

ZL70100 Datasheet

Medical Implantable RF Transceiver

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ZL70100 pdf
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ZL70100
Medical Implantable RF Transceiver
Data Sheet
Features
• 402-405 MHz (10 MICS channels) and
433-434 MHz (2 ISM channels)
• High data rate (800/400/200 kbps raw data rate)
• High performance MAC with automatic error
handling and flow control, typ < 1.5x10-10 BER.
• Very few external components
(2 pcs + antenna matching)
• Extremely low power consumption (5 mA,
continuous TX/RX, <1 mA low power mode)
• Ultra low power wakeup circuit (200 nA)
• Standards compatible (MICS, FCC, IEC)
Applications
• Implantable Devices e.g., Pacemakers, ICD’s,
Cochlea implants, Neurostimulators, Implantable
Insulin Pumps, Bladder Control Devices,
implantable physiological monitors
• Body area network, short range device
applications using the 433 MHz ISM band.
May 2005
Ordering Information
ZL70100LDF1 - 48 pin QFN* (tape & reel,
bake and drypack)
ZL70100LDG1 -48 pin QFN* (tray, bake and
drypack)
*Pb Free Matte Tin
0°C to +55°C
Description
The ZL70100 is a high performance half duplex RF
communications link for medical implantable
applications. The system is very flexible and supports
several low power wakeup options. Extremely low
power is achievable using the 2.45 GHz ISM Band
Wakeup-receiver option. The high level of integration
includes a Media Access Controller, providing
complete control of the device along with coding and
decoding of RF messages. A standard SPI interface
provides for easy access by the application
For further information please contact sales.
24 MHz
Zarlink MICS Transceiver - ZL70100
400MHz Transceiver
ADC analog Inputs
(TESTIO[4:1]pins)
TX
400 MHz
4 To ADCMux
PowerAmplifier Mixer
RF 400 MHz T X
+
RX
400 MHz
P eakDetec tor
Antenna
Matc hi ng
LowNoi s e
Amplifier
RF 400 MHz
RX
Mixer
PLL
T XIFModulator
AnalogInputs
4
RSSI
5bit
ADC
tx_data
tx_c l k
DataBus
RX IFFilterand FMDetector
RX rx_data
ADC
RX
2.45 GHz
2.45 GHz Wake-Up Receiver
RF 2.45 GHz
RX
Antenna
Matching
Wake-Up
Control
Enable
UltraLow
Power
Os c i l l ator
Regulator
1.85-2.0V
2
M e diaAcce s s Contr olle r
Whitening
RS
Encoder
CRC
Generation
Mes s age
Storage
Correlator
Cl oc k
Rec overy
T XControl
Control
RXControl
Interface
SPI
Programmable
4 PO[3:0]
IO
3 PI[2:0]
SPI_CS_B
SPI_CLK
SPI_SDI
SPI_SDO
SPI
Interf ace
IRQ
RSDecode
CRC
Dec ode
Mes s age
Storage
TestModeControl 2 MODE[1:0]
InputP i nP ul l -downControl
PDCTRL
Bypas s ofon-c hi pCrys tal Os c i l l atorControl
XO_BY PASS
SelectIMDorBaseT ransceiver
WakeupIMD
IBS
WU_EN
Batteryor
OtherS uppl y
68nFDecoupling
Capac i tor
Figure 1 - ZL70100 Block Diagram
1
Zarlink Semiconductor Inc.
Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.
Copyright 2005, Zarlink Semiconductor Inc. All Rights Reserved.



Zarlink Semiconductor
Zarlink Semiconductor

ZL70100 Datasheet Preview

ZL70100 Datasheet

Medical Implantable RF Transceiver

No Preview Available !

ZL70100 pdf
ZL70100
Data Sheet
1.0 Functional Description
1.1 General
The ZL70100 is an ultra low power, high bandwidth RF link for medical implantable applications. It operates in the
MICS (Medical Implantable Service Band) at 402-405 MHz. It uses a Reed-Solomon coding scheme together with
CRC error detection to achieve an extremely reliable link. For data-blocks, a maximum BER (Bit Error Rate) of less
than 1.5x10-10 is provided assuming a raw radio channel quality of 10-3 BER. An even higher quality of 2x10-14
BER is available using Housekeeping messages, a facility fully described in the ZL70100 Design Manual.
1.2 Basic Operation and Modes
The MICS transceiver is intended for operation in both an Implant and Basestation. These systems have different
requirements especially with regard to power consumption. Therefore, the MICS transceiver has defined two
fundamental startup modes of operation:
• Implantable Medical Device (IMD) Mode
• Basestation Mode
When configured as an IMD, the transceiver is usually asleep and in a very low current state. The IMD transceiver
may be woken up by either receipt of a specially coded 2.45 GHz wakeup message or directly by the IMD
processor via the WU_EN pin. This flexibility leads to the following options for waking up an IMD transceiver for
communication.
• IMD transceiver woken up by specially coded 2.45 GHz wakeup message using an ultra low power sniffing
method.
• IMD transceiver woken up to sniff 400 MHz link. The ZL70100 supports such a mode of operation although
the 2.45 GHz wakeup system has lower power consumption.
• IMD transceiver woken to send an emergency message in which case no clear channel assessment by the
Basestation is required.
• IMD transceiver woken up by a low frequency inductive link (as typically used in pacemakers/ICDs) or some
alternative mechanism.
2
Zarlink Semiconductor Inc.


Part Number ZL70100
Description Medical Implantable RF Transceiver
Maker Zarlink Semiconductor
Total Page 6 Pages
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