TDA7528 STMicroelectronics, TDA7528 Datasheet - Page 36

• Manufacturer Part Number: TDA7528
• Description: IC FRONT END MODULE CAR 64-LQFP
• Manufacturer: STMicroelectronics

Specifications of TDA7528

• Frequency: 50kHz ~ 108MHz, 161MHz ~ 163MHz
• Modulation Or Protocol: AM, FM
• Applications: Automotive Audio
• Current - Receiving: 175mA
• Data Interface: PCB, Surface Mount
• Voltage - Supply: 3.3V, 5V
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 64-LQFP
• Operating Temperature (min): -40C
• Operating Temperature (max): 125C
• Operating Temperature Classification: Automotive
• Package Type: LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Sensitivity: -
• Memory Size: -
• Data Rate - Maximum: -
• Antenna Connector: -
• Lead Free Status / Rohs Status: Compliant

Electrical characteristics
3.11
Table 24.
Table 25.
3.11.1
36/65
High level output voltage
Low level output voltage
High level source current
High level source current
Low level sink current
Low level sink current
Input impedance
Input voltage range
High level input voltage
Low level input voltage
Pin name
GP1
GP2
GP3
GP4
GP5
GP6
GP7
GP8
Parameter
voltage
GPIO - general purpose I/O interface pins
The TDA7528 has eight GPIO - general purpose - control pins (GP1...GP8) to switch
external stages (output), e.g amplifiers, or to read the status of external stages (input), e.g.
control voltages. Some control pins are multiplexed with other functions that are not
necessary in every tuner design.
GPIO - general purpose I/O interface pins electrical characteristics
GPIO test conditions
Serial data interface
The TDA7528 features a serial data port for communication with the microcontroller. It is
used to program the TDA7528 and to convey the read-out values of its detectors. This port
supports data communication using the SPI and the I
3,3V
3,3V
3.3V
3.3V
3,3V
3,3V
3,3V
3,3V
High level
Source
current
0.1 mA
0.1 mA
1 mA
1 mA
1 mA
1 mA
1 mA
1 mA
GPIO-output
voltage
0V
0V
0V
0V
0V
0V
0V
0V
Low level
@ 100kΩ load to GND
@ 100kΩ load to V
GP1 / GP2 / GP5 … GP8:
@ 1kΩ load to GND
GP3 / GP4
@ 1kΩ load to GND
GP1 / GP2 / GP5 … GP8:
@ 1kΩ load to V
GP3 / GP4:
@ 100Ω load to V
digital input mode
GP1 / GP2
GP5 / GP6 used as digital input
GP5 / GP6 used as digital input
current
GPIO functionality
10 mA -
10 mA -
1 mA
1 mA
1 mA
1 mA
1 mA
1 mA
Sink
Test condition
Doc ID 13141 Rev 6
Analog input A/D-converter 0 ... 3,3V
Analog input A/D-converter 0 ... 3,3V AMAGC 2nd TC input
Digital Input
-
Digital Input
-
DD
DD
DD
Functionality
GPIO-input
V
2
-0.05
-0.05
DD
C protocols.
Min.
0.08
100
0.5
0.8
8.0
2.2
0
-0.3
voltage
0 / 3,3V
0 / 3,3V
-
-
-
-
0.25
Typ
1.5
10
1
-
-
-
-
-
-
Multiplexed
functionality details
are given in the
corresponding
chapters
FM key AGC input
AM cascode U
IF buffer output
SPI MISO output
FM-AGC voltage output
AM-AGC voltage output
Max
V
0.3
3.5
3.5
1.0
DD
-
-
-
-
TDA7528
DS
Units
mA
mA
mA
mA
kΩ
input
V
V
V
V
V