Freescale Semiconductor, Inc.
Order this document by MRFIC1504/D
ARCHIVED BY FREESCALE SEMICONDUCTOR, INC. 2005
This integrated circuit is intended for GPS receiver applications. The dual
conversion design is implemented in Motorola’s low–cost,
high–performance MOSAIC 5 silicon bipolar process and is packaged in a
low–cost surface mount LQFP–48 package. In addition to the mixers, a
VCO, PLL, Crystal Oscillator, A/D converter and a loop filter are integrated
on–chip. Output IF is nominally 4.1 MHz.
1.575 GHz GPS
DOWNCONVERTER
• 105 dB Typical Conversion Gain
• 2.7 V Operation
SEMICONDUCTOR
TECHNICAL DATA
• 28 mA Typical Current Consumption
• Low–Cost, Low–Profile Plastic LQFP Package
MOSAIC 5 is a trademark of Motorola, Inc.
ORDERING INFORMATION
Operating
48
1
Temperature Range
Device
Package
MRFIC1504R2
T
A
= –40 to 85°C
LQFP–48
PLASTIC PACKAGE
CASE 932
(LQFP–48)
Pin Connections and Functional Block Diagram
LNA
LNA
Gnd
LNA
Out
LNA
Gnd
Mixer 1 Mixer 1
V
Mixer 1
VGA
Level
VGA VGA
CC
V
Gnd
In
In B
In A
Gnd
32
IF 1
28
CC
36
35
34
33
31
30
29
27
26
25
37
38
39
40
41
42
24 Gnd
LNA In
LNA
23
V
Mixer 2
LNA Gnd
CC
22 Gnd
21 IF 2
LNA Gnd
V
VCO
Tank
Gnd
reg
20 Limiter V
CC
4
25
19 Gnd
Tank 43
18 Limiter Gnd
17 Limiter In B
16 Limiter In A
15 Limiter Bias
14 Limiter Out
13 Enable
VCO
PD
44
45
46
47
48
VCO Gnd
VCO V
CC
LPF Out
LPF Neg
Ref
Osc
Temp
Sense
V
reg
LPF Pos
8
9
10
11
12
1
2
3
4
5
6
7
Gnd
Gnd
V
Gnd
Temp
Sense
V
Crystal Gnd
Gnd Crystal
Osc
V
Out
Clk
CC
PLL
CC
reg
Motorola, Inc. 2000
Rev 1
1
MOTOROLA RF/IF DEVICE DATA
For More Information On This Product,
Go to: www.freescale.com