LR9548S LEADTEK, LR9548S Datasheet - Page 4

• Manufacturer Part Number: LR9548S
• Description: GPS RECEIVER MODULE
• Manufacturer: LEADTEK

Specifications of LR9548S

• No. Of Channels: 20
• Frequency Rf: 1575.42MHz
• Module Interface: Serial
• Supply Voltage Range: 3.3V To 5V
• Termination Type: SMD
• Supply Voltage Max: 5VDC
• Data Rate Max: 4800bps
• No. Of Pins: 28
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Technical Specifications
Feature
Chipset
General
Accuracy
Datum
Time to First Fix
(TTFF)
(Open Sky &
Stationary
Requirements)
Dynamic
Conditions
Power
Serial Port
Time-1PPS
Pulse
© 2006 Leadtek Research Inc. All rights reserved.
Preliminary Confidential - Information is subject to change without prior notice.
Specifications
Item
GSC3f
Frequency
C/A code
Channels
Position
Velocity
Time
Default
Other
Reacquisition
Snap start
Hot start
Warm start
Cold start
Altitude
Velocity
Acceleration
Jerk
Main power input
Power consumption ≈165 mW (continuous mode)
Supply Current
Backup Power
Electrical interface
Protocol messages
Level
Pulse duration
Time reference
Measurement
42 sec., average typical TTFF
3.3 ~ 5.0 VDC input
1.65 ~ 5.0 VDC input.
The 1PPS pulse width is 1 µs, this 1PPS is
Description
SiRFstarIII low power single chipset
L1, 1575.42 MHz
1.023 MHz chip rate
20
10 meters, 2D RMS
5 meters 2D RMS, WAAS corrected
<5meters(50%)
0.1 meters/second
1 microsecond synchronized to GPS time
WGS-84
selectable for other Datum
0.1 sec., average
1 sec., average
1 sec., average typical TTFF
38 sec., average typical TTFF
18,000 meters (60,000 feet) max.
515 meters/second (1000 knots) max.
4g, max.
20 meters/second
≈49 mA
Two full duplex serial TTL interface.
NMEA-0183@4800 bps (Default)
TTL
NOT suited to steer various oscillators
(timing
system, etc).
At the pulse positive edge.
Aligned to GPS second, ±1 microsecond
receivers,
3
LR9548SLP Specifications Sheet Rev. 0.1
, max.
telecommunications
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