tda7333 STMicroelectronics, tda7333 Datasheet - Page 4

• Manufacturer Part Number: tda7333
• Description: Rds/rbds Processor
• Manufacturer: STMicroelectronics

Table 6. Electrical Characteristics
TDA7333
6.3
T
V
4/21
Supply (pin 1,5,7)
Digital Inputs( pin 6,8,11,12,13,14)
Digital Outputs (pin 12,13,15) are open drains
Analog Inputs (pin 16)
Crystal parameters
Sigma Delta Modulator
Sinc4/16 Decimation Filter
Bandpass Filter
amb
DDD
Symbol
C
THD+N
V
V
V
V
V
S
R
xti
OVR
I
I
A57
V
V
DDD
f
DDA
V
ihhyst
V
P
t
g
DDD
DDA
V
ilhyst
MPX
RDS
F
MPX
osc
f
,C
f
f
su
hst
oh
m
s
s
p
ih
ol
= -40 to +85 °C, V
d
s
il
and V
Electrical Characteristics
xto
Digital Supply Voltage
Analog Supply Voltage
Digital Supply Current
Analog Supply Current
Total Power Dissipation
Low level input voltage
High level input voltage
Low level threshold input falling
High level threshold input rising
Schmitt trigger hysteresis
High level output Voltage
Low level output Voltage
Input Range of MPX Signal
RDS Detection Sensitivity
Input Impedance of MPX pin
Quartz Frequency
Start up Time
Transconductance
Load Capacitance
Sample Rate
Oversampling Ratio
Relative Total Harmonic Dist.
plus Noise
Decimated Sample Rate
Attenuation at 57 kHz
Attenuation Difference
Sample Rate
Passband Frequencies
DDA
must not differ more than 0.15 V
Parameter
DDA
/V
DDD
= 3.0 to 3.6 V, f
open drain, depends on external
circuitry
I
drop in the supply voltage
f
f =57 kHz
BW= 54.5 .. 59.5 kHz, unweigted,
V
f
BW= 54.5 .. 59.5 kHz
f
ol
osc
osc
osc
rds
=4mA, takes into account 200mV
=8.55 MHz
= 8.55 MHz
=8.55 MHz
= 3mVrms
osc
Test Conditions
= 8.55 MHZ, unless otherwise specified
0.0006
Min.
55.6
3.0
3.0
2.0
1.0
1.5
0.4
1
Values
8.55 or
8.664
4.275
267.2
267.2
Typ.
-2.6
55k
3.3
3.3
0.4
33
16
38
27
2
8
Max.
V
0.75
58.4
1.15
3.6
3.6
0.8
1.7
0.7
0.4
10
DDD
Vrms
mVrms
Ohm
MHz
MHz
Unit
mW
kHz
kHz
kHz
mA
A/V
mA
ms
pF
dB
dB
dB
V
V
V
V
V
V
V
V
V