Datasheet > TDA9897HN

TDA9897HN

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
103页	512K
描述
Multistandard hybrid IF processing

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TDA9897HN 数据手册

TDA9897; TDA9898

NXP Semiconductors

Multistandard hybrid IF processing

Table 1.

Quick reference data …continued

V_P= 5 V; T_amb= 25 °C.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

(S/N)_w(AF)

AF weighted signal-to-noise ratio

“ITU-R BS.468-4”

FM: 27 kHz FM deviation;

50 µs de-emphasis; vision

carrier unmodulated;

FM PLL only

AM: BP off

PSRR

power supply ripple rejection

RMS output voltage

_ripple= 70 Hz; see Figure 11

V_o(RMS)

IF intercarrier single-ended

to GND; SC1 on; SC2 off

140

180

IF intercarrier single-ended

to GND; L standard;

without modulation; BP on;

W7[5] = 0

FM sound part

V_i(FM)(RMS)

RMS FM input voltage

gain controlled operation;

W1[1:0] = 10 or

300

W1[1:0] = 11 or

W1[1:0] = 01; see Figure 15

[6]

∆I_AFC/∆f_RIFchange of AFC current with RIF

AFC radio mode

0.85

1.05

1.25

µA/kHz

frequency

α_AM

AM suppression

referenced to 27 kHz

FM deviation;

50 µs de-emphasis;

AM: f = 1 kHz; m = 54 %

Digital TV signal processing

Digital direct IF

[7]

[8]

V_o(dif)(p-p)

peak-to-peak differential output

voltage

between pin OUT2A and

pin OUT2B

W4[7] = 0

W4[7] = 1

1.0

0.50

1.1

0.55

G_IF(max)

maximum IF gain

output peak-to-peak level to

input RMS level ratio

[8]

G_IF(cr)

PSRR

control range IF gain

power supply ripple rejection

residual spurious at nominal

differential output voltage

dependent on power supply

ripple

f_ripple= 70 Hz

f_ripple= 20 kHz

Digital low IF

V_o(dif)(p-p)

[7]

[8]

peak-to-peak differential output

voltage

between pin OUT1A and

pin OUT1B; W4[7] = 0

G_IF(max)

maximum IF gain

output peak-to-peak level to

input RMS level ratio

G_IF(cr)

f_synth

control range IF gain

synthesizer frequency

see Table 35 and Table 36

MHz

TDA9897_TDA9898_3

Product data sheet

Rev. 03 — 11 January 2008

5 of 103

1 2 3 456 7 8...103

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