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TDA7512F Datasheet(PDF) 11 Page - STMicroelectronics

Part # TDA7512F
Description  FM car-radio tuner IC with intelligent selectivity system (ISS)
PDF  45 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7512F Datasheet(HTML) 11 Page - STMicroelectronics

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TDA7512F
Electrical specifications
Doc ID 12668 Rev 2
11/45
Reference voltages
VREF1
Internal reference voltage
IREF1 = 0 mA
-
5
-
V
VREF2
Internal reference voltage
IREF2 = 0 mA
-
2.5
-
V
Wide band RF AGC
V7-9
Lower threshold start
V10 = 2.5 V
-
85
-
dBµV
V7-9
Upper threshold start
V10 = 2.5 V
-
96
-
dBµV
Narrow band IF & keying AGC
V60
Lower threshold start
KAGC = off, V7-9 = 0 mVRMS
-
86
-
dBµV
V60
Upper threshold start
KAGC = off, V7-9 = 0 mVRMS
-
98
-
dBµV
V60
Lower threshold start with
KAGC
KAGC = max, V7-9 = 0 mVRMS,
ΔfIF = 300 kHz
-
98
-
dBµV
V35
Start point KAGC
KAGC = max, V7-9 = 0 mVRMS,
ΔfIF = 300 kHz
fIF1 generate FSW level at V35
-3.6
-
V
D
Control range KAGC
ΔV35= +0.4 V
-
16
-
dB
RIN
Input resistance
-
-
10
-
k
Ω
CIN
Input capacitance
-
-
2.5
-
pF
AGC time constant output
V10
Max. AGC output voltage
V7-9 = 0 mVRMS
-
VREF1
+VBE
V
V10
Min. AGC output voltage
V7-9 = 50 mVRMS
-0.5
V
I10
Min. AGC charge current
V7-9 = 0 mVRMS,; V10 = 2.5 V
-
-12.5
-
µA
I10
Max. AGC discharge
current
V7-9 = 50 mVRMS,; V10 = 2.5 V
-
1.25
-
mA
AGC pin diode driver output
I6
AGC OUT, current min.
V7-9 = 0 mVRMS, V6 = 2.5 V
-
50
-
µA
I6
AGC OUT, current max.
V7-9 = 50 mVRMS, V6 = 2.5 V
-
-20
-
mA
I/Q mixer 1 (10.7MHz)
RIN
Input resistance
differential
-
10
-
k
Ω
CIN
Input capacitance
differential
-
4
-
pF
ROUT
Output resistance
differential
100
-
k
Ω
V7,9
Input dc bias
-
-
3.2
-
V
gm
Conversion
transconductance
--
17
-
mS
F
Noise figure
400
Ω generator resistance
-
3
-
dB
Table 5.
Electrical characteristics (continued)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit



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