TDA1597TD-T

更新时间： 2024-02-29 01:23:43

品牌	Logo	应用领域
恩智浦 - NXP		消费电路商用集成电路接收器集成电路放大器光电二极管
页数	文件大小	规格书
24页	202K
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TDA1597TD-T 数据手册

Philips Semiconductors

Product speciﬁcation

IF ampliﬁer/demodulator for FM radio receivers

TDA1597

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

External muting

V₁₆

muting voltage at I₂= 0

₂₀≤ 5 µV (RMS); see Fig.12

1.45

1.75

2.05

V₂₀= 1 mV (RMS)

slope: 100 µV ≤ V₂₀≤ 100 mV;

∆V₁₆

3.0

3.45

0.85

3.9

steepness of control voltage

−

V/dec

20∆logV₂₀= 20 dB

---------------------

∆logV₂₀

Internal mute α; note 1

mute voltage

V₁₆≥ V_ref

−

V₁₆= 0.77V_ref

V₁₆= 0.55V_ref

1.5

−

4.5

−

I₁₆

current for capacitor (pin 16)

charge current

V₁₃= 0 V

V₁₃= V_ref

−

−8

−

µA

discharge current

charge current

120

−100

120

discharge current

Level detector

R₆

V₆

output resistance pin 6

−

500

1.1

4.2

1.8

0.3

0.2

−

Ω

output voltage at I₂= 0

₂₀≤ 5 µV (RMS); see Fig.14

0.1

3.0

1.2

−

V₂₀= 1 mV (RMS)

−

±200 kHz detuning

1.5

−

output voltage at V₂= V₅

output voltage at detuning

temperature coefﬁcient

detuning frequency

V₂₀≤ 5 µV (RMS)

∆V₆

∆f

±45 kHz detuning

−

3.3

−

mV/VK

kHz

V/dec

V₆= 1.8 V; see Fig.13

slope: 50 µV ≤ V₂₀≤ 50 mV;

∆V₆

1.4

160

2.0

steepness of control voltage

1.7

20∆logV₂₀= 20 dB

---------------------

∆logV₂₀

∆V₆/∆f

slope of output voltage at

detuning

∆f = 125 ±20 kHz

−

mV/kHz

level shift adjustments

range by pin 2

gain

±∆V₆/V_ref

−∆V₆/∆V₂

±∆V₁₆/V_ref

−∆V₁₆/∆V₂

0.42

−

0.5

−

V/V

1.7

range by pin 2

gain

0.21

−

0.25

0.85

Note

∆V_{4 (FM – MUTE – OFF)}

1. α = 20 log-------------------------------------------------------

∆V_{4 (FM – MUTE – ON)}

1997 Feb 27

1...4 5 678 9 10...24

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