AC530 Fastrax, AC530 Datasheet - Page 21

• Manufacturer Part Number: AC530
• Description: GPS Development Tools Application Board for UC530
• Manufacturer: Fastrax

Specifications of AC530

• Rohs: yes
• Product: Application Boards
• Tool Is For Evaluation Of: UC530
• Frequency: 1.575 GHz
• Operating Supply Voltage: 3.3 V
• Interface Type: UART
• Description/function: Fastrax Application Board AC530 provides the UC530 connectivity to the Fastrax Evaluation Kit or to other evaluation purposes
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Operating Supply Current: 25 mA

Page 21 of 39
5.3
Operating conditions are T
2012-05-03
UC530_Datasheet
R
Symbol
V
V
V
V
R
R
Symbol
t
t
∆t
f
PPS
PPS,H
RTC
PD
PU
PD
OL
OH
IL
IH
PPS
Note 1: Operation in the temperature range –40°C… –30°C is allowed but Time-to-First-Fix performance
and tracking sensitivity may be degraded.
Note 1: with nominal GPS signal levels -130dBm.
Note 2: when enabled by I/O configuration.
AC Electrical characteristics
Table 5 DC Electrical characteristics, 1.2 V CMOS domain (TIMER & 32K/DR_INT)
Internal Pull Down resistor
Parameter
Low level output voltage, I
High level output voltage, I
Low level input voltage
High level input voltage
Internal Pull Up resistor
Internal Pull Down resistor
Parameter
PPS cycle time
PPS, high state pulse length
PPS accuracy, rising edge (note 1)
RTC output (32K/DR_INT) frequency (note 2)
AMB
=+25°C and VDD =+1.8 V unless stated otherwise.
Table 6 AC Electrical characteristics
OL
OH
0.9 mA
0.9 mA
40
Min
+0.78
-0.3
+0.66
130
130
Min
-1
75
Typ
Typ
1
100
32768
190
+0.42
+0.54
+3.6
560
560
+1
Max
Max
kohm
Unit
V
V
V
V
kohm
kohm
Unit
s
ms
µs
Hz