TDA7541W STMicroelectronics, TDA7541W Datasheet - Page 19

• Manufacturer Part Number: TDA7541W
• Description: IC TUNER AM/FM CAR RADIO 64-LQFP
• Manufacturer: STMicroelectronics

Specifications of TDA7541W

• Modulation Or Protocol: AM, FM
• Applications: Automotive Audio
• Current - Receiving: 48mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 7.7 V ~ 9 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Frequency: -
• Sensitivity: -
• Memory Size: -
• Data Rate - Maximum: -
• Lead Free Status / Rohs Status: Compliant

TDA7541
Table 7.
1. Can be reached in application circuit, not measured.
24. AMAGC2
25. AM audio output
26. IF noise blanking
Item
24.1
24.2
24.3
24.4
24.5
24.6
24.7
24.8
25.1
25.2
25.3
25.4
26.1
26.2
26.3
26.4
26.5
V
Symbol
AGC(start)
Δ
V
R
g
g
THD
II
II
V
V
V
thstep
AGC
V
V
AGC
AGC
OUT
t
t
57
57
bl
bl
57
57
43
th
th
AM section (continued)
I
I
AGC start voltage (PIN47)
AGC2 range
Control slope
Control slope
Max. AGC charge current
Max. AGC charge current
Max. AGC output voltage
Min. AGC output voltage
Audio output voltage
Total harmonic distortion
Output impedance
Min. blanking time
Max. blanking time
Min internal threshold
Max. internal threshold
Threshold step
Parameter
Doc ID 13686 Rev 4
Input carrier voltage
Between start of AGC2
and the intervention point
of prestage AGC
Seek mode
normal mode
Seek mode
normal mode
V
V
V
f
V
f
V
f
-
-
-
-
-
-
mod
mod
mod
47
47
56
56
56
= 100 dBµ
= 20 dBµ
= 90 dBµ, m = 30 %,
= 90 dBµ, m = 30 %,
= 90 dBµ, m = 80%,
= 1KHz
= 1 kHz
= 1 kHz
Test conditions
Electrical specifications and characteristics
Min.
170
4.6
50
20
-
-
-
-
-
-
-
-
-
-
-
-
-
187.5
Typ. Max.
12.5
125
200
4.8
0.2
0.3
0.5
62
55
50
25
17
50
5
5
8
230
0.5
0.5
0.9
30
-
-
-
-
-
-
-
-
-
-
-
-
mV
dBµV
µA/V
µA/V
Unit
mV
mV
mV
μA
μA
dB
19/75
μs
μs
%
V
V
Ω
S
RM