TDA7705 STMicroelectronics, TDA7705 Datasheet - Page 39

• Manufacturer Part Number: TDA7705
• Description: IC TUNER HIT AM/FM CAR RAD 64LQF
• Manufacturer: STMicroelectronics

Specifications of TDA7705

• Modulation Or Protocol: AM, FM
• Applications: Automotive Audio
• Current - Receiving: 220mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 4.75 V ~ 5.25 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Frequency: -
• Sensitivity: -
• Memory Size: -
• Data Rate - Maximum: -

TDA7705
6.2
Application schematic example with SPI-bus and tuned
preselection
Figure 16. Example of FM tuned (narrow-band) application / SPI control
1. Note: components marked with a * are being considered for replacement with resistors, pending
optimization test results.
DACOUT_L
DACOUT_R
100nF
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
VCC-DAC
OSCout
OSCin
GND-DAC
DACoutL
DACoutR
GND-IFADC
LIFrefL
LIFrefH
VCC-IFADC
VCC-PLL
GND-PLL
VCOdec
LFref
VCC-VCO
GND-VCO
Doc ID 15938 Rev 8
1K5
220
2
2
KP2311E
68K
KP2311E
2
R6
12pF
C23
E558CN-1000101
TOKO
1
1
10nF
15pF
KV1770
L6
C28
C31
D3
1
VCCREG12
AMMIXdec
AMMIXin1
AMMIXin2
GND-DIG
VDD-3V3
REG-1V2
VCC-DIG
VREFdec
VREF165
LNAdec2
LNAout2
LNAdec
GND-IF
LNAin2
LNAout
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
Application schematics
1
1uF
1uF
100nF
1uF
10nF
470nF
1/2W
100nF
68uH
1K
27
68pF
39/42