TDA7580_07 Datasheet, PDF (9/39 Pages) STMicroelectronics – FM/AM digital IF sampling processor

TDA7580
Block diagram and electrical specifications
2.1
Pin description
Figure 2. PIN connection (top view)
VHI 1
VCM 2
VLO 3
INP 4
INN 5
VCMOP 6
GNDSD 7
GNDOSC 8
XTI 9
XTO 10
VDDOSC 11
VDDMTR 12
CKREFP 13
CKREFN 14
AGCKEY 15
GNDMTR 16
DEBUG1
HS³I
48
DEBUG0 ⁴⁷
46
45
44
43
42
41
40
39
38
37
36
35
RDS
34
33
GND
VDD
TST3_LRCKR
TST2_SCKR
LRCK_LRCKT
SCLK_SCKT
SDO0
VDDH
GNDH
TST1_SDI1
TST4_SDI0
GPIO_SDO1
TESTN
GND
VDD
RESETN
IFADC Modulator Power Supply pins pair
Oscillator Power Supply pins pair
Tuner Clock Out and AGC Keying DAC Power Supply pins pair
Core Logic 1.8V Power Supply pins pair
I/O Ring 3.3V Power Supply pins pair
Table 5. Pin description
N°
Name
Type
Description
Notes
After
Reset
1 VHI
2 VCM
3 VLO
4 INP
5 INN
Internally generated IFADC Opamps
It needs external
A 2.65V (@V_DD=3.3V) reference voltage pin minimum 4.7μF ceramic
for external filtering
capacitor
Internally generated common mode 1.65V It needs external
A (@V_DD=3.3V) reference voltage pin for
external filtering
minimum 10μF ceramic
capacitor
Internally generated IFADC opamps
It needs external
A 0.65V (@V_DD=3.3V) reference voltage pin minimum 4.7μF ceramic
for external filtering
capacitor
A Positive IF signal input from tuner
2.0Vpp @VDD=3.3V
A Negative IF signal input from tuner
2.0Vpp @VDD=3.3V
6 VCMOP
- Not connected.
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