atr0600 ATMEL Corporation, atr0600 Datasheet

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atr0600

Manufacturer Part Number
atr0600
Description
Gps Front-end Ic
Manufacturer
ATMEL Corporation
Datasheet

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
atr0600-PJQ
Manufacturer:
MOT
Quantity:
736
Features
Electrostatic sensitive device.
Observe precautions for handling.
Description
With the growing importance of mobile communication, location awareness is a key
feature for more and more products and services. Due to its small size and minimal
power consumption, the GPS front-end IC ATR0600 is an ideal solution for mobile
applications and navigation systems.
Figure 1. Block Diagram
Very Low Power Design (≈ 50 mW)
Single IF Concept
2-bit ADC on Chip
Small QFN Package (28 Pins)
Highly Integrated, Few External Components
UHF6 Technology
1575.42 MHz
LNA
Ant
SAW
RFIN
RFNIN
VS1
VS3
1478.6
VCO
64
MHz
1
VS2
BP NBP
1
4
VS5
96.76 MHz
LC-BP
PFD
BPI
VS7
NBPI
X
VGA amp
BP-Filter
XTO
23.104 MHz
XTO
REF
NXTO
OR
NX
control
Power
P1
VDIG
Dig. IF at 4.35 MHz
SIGH
P2
SIGL
AGCO
SC 23.104 MHz
GC
GPS
Front-end IC
ATR0600
Preliminary
Rev. 4536F–GPS–10/03

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atr0600 Summary of contents

Page 1

... With the growing importance of mobile communication, location awareness is a key feature for more and more products and services. Due to its small size and minimal power consumption, the GPS front-end IC ATR0600 is an ideal solution for mobile applications and navigation systems. Figure 1. Block Diagram 96 ...

Page 2

... Digital interface subsampled output high threshold voltage refered to REF1 26 SIGH O Digital interface subsampled output low threshold voltage refered to REF2 27 VDIG P Digital interface supply voltage 1 Digital interface clock output ATR0600 [Preliminary NBP 16 6 VS5 17 BPI ...

Page 3

... The mixer directly drives an external LC-bandpath filter. In order to provide the ultimate selectivity of the GPS frequency before the A/D conversion of the receiver part, the signal path of the ATR0600 combines an external filter and a second integrated filter. We recommend to design the external filter as a 2-pole filter with quality factor Q > 25. ...

Page 4

... Supply current digital 1 VPU interface Supply current (power 1 VPU down) RFIN, RNIN matched 1.5 Total gain 1.6 Noise figure *) Type means 100% tested 100% correlation tested Characterized on samples Design parameter ATR0600 [Preliminary] 4 Symbol stg Symbol R thJA Symbol ...

Page 5

... V clkhigh = clklow = datahigh = datalow 9, 10 VPU VPU off 9, 10 TPU on, off ATR0600 [Preliminary] Min. Typ. Max. Unit 96.76 MHz j80 96.76 MHz 6.6 dB/V 150 dB/V 100 kHz 1.0 2.2 V -80 dBc/Hz -100 dBc/Hz 23 ...

Page 6

... Interface Description Figure 3. Clock Interface Figure 4. SIGH Interface Figure 5. SIGL Interface Figure 6. Supply VDIGI Interface Figure 7. Power Control Interface P1 ATR0600 [Preliminary] 6 VDIG 20k 10p Chip Maximum load capacitance VDIG 20k SIGH SIGH 10p I Chip Maximum load cap. VDIG 20k SIGL ...

Page 7

... Figure 8. Power Control Interface P2 Figure 9. Automatic Gain-control Interface Figure 10. A/D Reference Level-control Interface Ref 4536F–GPS–10/03 ATR0600 [Preliminary] 20k P2 P2 50k 100k Application Chip 32uA I AGCO AGCO GC 150k 50p 100p 44k Chip Chip, connected to AGCO VCC I Ref Ref Chip Application Select value on test ...

Page 8

... Figure 11. Mixer Input Interface Figure 12. XTO Interface ATR0600 [Preliminary] 8 VCC 250uA 2.5k 2.5k RF NRF 2mA Chip RFx RF NRF NRFx Application (Matching) 100k XTO NXTO X NX 220 220 Chip XTO NXTO 47p 47p NX X 68p Application 4536F–GPS–10/03 ...

Page 9

... Figure 13. IF-filter Interface Figure 14. Mixer Input Impedance at RF-NRF 4536F–GPS–10/03 ATR0600 [Preliminary 220nH Imax 2mA 300fF VCC BPI BPI 220nH 2p 60uA 5p 5p VCC NBPI NBPI 220nH 2p 300fF 60uA NBP NBP 220nH Imax 2p 2mA Application (IF-Filter) Chip VCC 68 9 ...

Page 10

... Ordering Information Extended Type Number ATR0600-PJQ Package Information ATR0600 [Preliminary] 10 Package Remarks QFN28 - 5x5 Taped and reeled 4536F–GPS–10/03 ...

Page 11

... Fax: (81) 3-3523-7581 Disclaimer: Atmel Corporation makes no warranty for the use of its products, other than those expressly contained in the Company’s standard warranty which is detailed in Atmel’s Terms and Conditions located on the Company’s web site. The Company assumes no responsibility for any errors which may appear in this document, reserves the right to change devices or specifications detailed herein at any time without notice, and does not make any commitment to update the information contained herein ...

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