TDA1576T View Datasheet(PDF) - Philips Electronics
Part Name
Description
MFG CO.
TDA1576T Datasheet PDF : 16 Pages
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Philips Semiconductors
FM/IF amplifier/demodulator circuit
Product specification
TDA1576T
SYMBOL
PARAMETER
Field strength output; see Fig.4
V15
output voltage
S
control steepness
R15
output resistance
∆-∆---VT---
dependence on temperature
I15
standby operational cut-off current
Zero level adjustment
V16
internal bias voltage
R16
input resistance
S
control steepness
Detuning detector
I12
input bias current
Z12
input impedance
VV-----11--34-
output voltage ratio for
∆ϕ = ϕ(V3-7) − ϕ(V4-6) − 90°
∆ϕ = 9.2° (43 kHz); Q = 20
∆ϕ = 3.5° (16 kHz); Q = 20
∆ϕ = 14° (65 kHz); Q = 20
I13
maximum output current
cut-off current
Internal audio attenuation; see Fig.8
VV-----11--34-
output voltage ratio
I13
input current
CONDITIONS
MIN. TYP. MAX. UNIT
ViIF = 0
0
ViIF = 1 mV (RMS)
1.1
ViIF = 250 mV (RMS) 3.2
−
−
ViIF = ∆----T-∆----V×----1-V--5--1---5-
−
V5 ≥ 3 V; V15 = 0 to 5 V −
0.1
0.25 V
1.5
1.9
V
3.6
4.1
V
0.85 −
V/dec
150 200 Ω
0.3
−
%/K
−
10
µA
ViIF = 100 mV;
A = ∆∆----VV----11---56-
−
260 −
mV
−
19
−
kΩ
0.87 1.0
1.2
V/V
−
20
100 nA
Z12 = ∆-5---I--1V---2 ; see Fig.5 6
30
−
MΩ
V1 = V2 = 7.5 V;
R13-14 = 10 kΩ; pins 9
and 12 short-circuit;
see Fig.6
V9, 12 = 334 mV
V9, 12 = 138 mV
V9, 12 = 501 mV
V13 = 6 V; see Fig.7
V13 = 2.5 V; V9, 12 = 0
0.45 0.5
0.55 V/V
0.75 0.8
0.85 V/V
0.335 0.345 0.355 V/V
0.4
0.5
0.6
mA
−
−
−100 nA
α = attenuation factor
α = 1 dB
α = 7.2 dB
α ≥ 40 dB
V13 ≤ 0.1 V
0.11 0.12
0.095 0.1
−
0.06
−
−
0.13 V/V
0.105 V/V
−
V/V
−225 nA
1998 Nov 18
7
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