SI4710 Datasheet, PDF (2/2 Pages) Silicon Laboratories – FM Radio Transmitter for Portable Applications

Si4710/11
FM Radio Transmitter for Portable Applications
Selected Electrical Specifications
Parameter
Symbol Test Condition Min
Transmit Frequency Range
f_RF
76
Programmable Transmit Output Voltage,
—
TXO (Maximum Voltage)
Programmable Transmit Output Voltage,
—
TXO (Minimum Voltage)
Transmit Voltage Stability
–1
Transmit Voltage Step
—
Transmit Channel Edge Power
—
Transmit Adjacent Channel Power
—
Pre-emphasis Time Constant
FMPE[1:0] = 00
70
FMPE[1:0] = 01
45
Audio SNR
—
Audio THD
—
Audio Stereo Separation
30
Sub Carrier Rejection Ratio
SCR
—
Input Signal Level (0 dB)
Audio Bandwidth (3 dB)
V_AI
0.6 V_RMS input,
—
V_IO = 1.8 V
20
Audio Imbalance
–1
Powerup Settling Time
From powerdown —
Typ
Max
—
108
115
—
83
—
—
1
1
2
—
–20
–30
–26
75
80
50
54
63
—
0.1
0.5
35
—
–50
–40
—
0.636
—
15 K
—
1
110
—
Pin Assignments
Package Information
Unit
MHz
dBµV
dBµV
dB
dB
dBC
dBC
us
us
dB
%
dB
dB
V_pk
Hz
dB
ms
NC 1 ^{20 19 18 17} 16
NC 2
15 RIN
RFGND 3
TXO 4
GND
PAD
14 DFS
13 DIN
RST 5
12 GND
6 _{7 8 9 10} 11 VDD
Symbol
Millimeters
Min
Nom
Max
A
0.50
0.55
0.60
A1
0.00
0.02
0.05
b
0.20
0.25
0.30
c
0.27
0.32
0.37
D
3.00 BSC
D2
1.65
1.70
1.75
e
0.50 BSC
E
3.00 BSC
E2
1.65
1.70
1.75
Symbol
f
L
L1
aaa
bbb
ccc
ddd
eee
Millimeters
Min
Nom
Max
2.53 BSC
0.35
0.40
0.45
0.00
—
0.10
—
—
0.05
—
—
0.05
—
—
0.08
—
—
0.10
—
—
0.10
FM Tuner
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1.8.07