TDA7546 Datasheet, PDF (18/68 Pages) STMicroelectronics – Multichip module for TMC tuner applications

Electrical specification
3.4
RDS decoder
3.4.1
Table 7.
General interface electrical characteristics
General interface electrical characteristics
Symbol
Parameter
Test Conditions
I_il
I_ih
I_ozFT
Low Level Input Current
High Level Input Current
Five Volt tolerant Tri-State
Output Leakage Without Pull
Up/Down Device
V_i =0V
V_i =V_DD
V_o =0V or V_DD
V_o =5.5V
TDA7546
Values
Unit
Min. Typ. Max.
1
μA
1
μA
1
μA
1
3
μA
3.4.2 Electrical characteristics
Table 8.
Symbol
Electrical characteristics
(T_amb = -40 to +85 °C, V_DDA/V_DDD = 3.0 to 3.6 V,f_osc = 10.25 MHz, unless otherwise specified
V_DDD and V_DDA must not differ more than 0.15V).
Parameter
Test Conditions
Min. Typ. Max. Unit
Supply (pin 44, 50, 52)
V_DDD
V_DDA
Digital Supply Voltage
Analog Supply Voltage
I_DDD Digital Supply Current
I_DDA Analog Supply Current
Normal mode
Power down mode
Normal mode
Power down mode
3.0 3.3 3.6 V
3.0 3.3 3.6 V
14
16 mA
<1
μA
11
14 mA
<1
mA
Digital Inputs (pin 51, 32, 36, 37, 38, 39)
V_il
V_ih
V_ilhyst
V_ihhyst
V_hst
Low level input voltage
High level input voltage
Low level threshold input falling
High level threshold input rising
Schmitt trigger hysteresis
Digital Outputs (pin 37,38,40) are open drains
0.8 V
2.0
V
1.0
1.15 V
1.5
1.7 V
0.4
0.7 V
V_ol Low level output Voltage
I_ol =4mA, takes into account 200mV
drop in the supply voltage
0.4 V
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