SI4705-B20-GM Silicon Laboratories Inc, SI4705-B20-GM Datasheet - Page 2

• Manufacturer Part Number: SI4705-B20-GM
• Description: IC FM RADIO TUNER 20-QFN
• Manufacturer: Silicon Laboratories Inc

Specifications of SI4705-B20-GM

• Package / Case: 20-QFN
• Frequency: 64MHz ~ 108MHz
• Modulation Or Protocol: FM
• Applications: Cellular, MP3, PDAs, Portable Radios
• Current - Receiving: 19.2mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -20°C ~ 85°C
• Bus Type: 2-Wire, 3-Wire
• Minimum Frequency: 76 MHz
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 2.7 V to 5.5 V
• Supply Voltage (min): 2.7 V
• Supply Voltage (max): 5.5 V
• Minimum Operating Temperature: - 20 C
• Maximum Operating Temperature: + 85 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Sensitivity: -
• Memory Size: -
• Data Rate - Maximum: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1740

Selected Electrical Specifications
FM Tuner
Sensitivity (76–108 MHz)
Input IP3
Adjacent Channel Selectivity
Alternate Channel Selectivity
RCLK Frequency
Audio Output Voltage
Audio Mono S/N
Audio THD
Supply Voltage
Interface Supply Voltage
Ambient Temperature
Input Frequency
RCLK Frequency Tolerance
Supply Current
Powerdown Current
Seek/Tune Time
SCLK Frequency
Powerup Time
RFGND
RST
FMI
LPI
NC
Pin Assignments
Other products or brandnames mentioned herein are trademarks or registered trademarks of their respective holders
2
3
4
5
Parameter
1
6
20
7
19
GND
8
PAD
18
9
17
10
Silicon Laboratories and Silicon Labs are trademarks of Silicon Laboratories Inc.
16
11
Enhanced Broadcast FM Radio Receiver for Portable Applications
15 DOUT
14
13
12
LOUT
ROUT
GND
VDD
Symbol
V
f
f
D
V
I
I
f
CLK
SCL
T
RF
AD
PD
, V
IO
A
A
Copyright © 2008 by Silicon Laboratories
|f
2
Notes:
– f
Symbol
A1
D2
E2
1
A
D
E
b
c
e
1.
2.
| > 1 MHz; f
From powerdown
(S+N)/N = 26 dB
3-wire operation
2-wire operation
Test Condition
AGC disabled
All dimensions are shown in millimeters unless otherwise noted.
Dimensioning and tolerancing per ANSI Y14.5M-1994.
±200 kHz
±400 kHz
0.50
0.00
0.18
0.27
1.60
1.60
Min
0
Millimeters
= 2 x f
3.00 BSC
0.50 BSC
3.00 BSC
Nom
0.55
0.02
0.25
0.32
1.70
1.70
Package Information
1
– f
2
Max
0.60
0.05
0.30
0.37
1.80
1.80
–100
Min
–20
2.7
1.5
64
72
55
—
—
—
—
—
—
—
—
—
—
—
—
Symbol
32.768
19.2
aaa
bbb
ddd
eee
Typ
ccc
105
1.1
0.1
L1
50
70
80
63
25
10
—
—
—
—
—
—
—
—
L
f
0.35
0.00
Min
—
—
—
—
—
Max
108
100
400
110
Si4704/05
0.5
5.5
3.6
2.5
—
—
—
—
—
90
—
85
—
12
80
Millimeters
2.53 BSC
Nom
0.40
—
—
—
—
—
—
ms/channel
dBµV EMF
µV EMF
mVrms
MHz
MHz
Unit
ppm
kHz
kHz
mA
ms
dB
dB
dB
µA
°C
%
V
V
Max
0.45
0.10
0.10
0.10
0.08
0.10
0.10
4.02.08