TDA8296 datasheet(39/87 Pages) NXP

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TDA8296

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Product data sheet

Rev. 1 — 3 March 2011

39 of 87

NXP Semiconductors

TDA8296

Digital global standard low IF demodulator for analog TV and FM radio

Remark: The SSIF level depends also on the used capacitor CS. Please refer to

Figure 14

Table 37.

SSIF_LEVEL register (address 23h) bit description

Legend: * = default value.

Bit

Symbol

Access Value

Description

7 to 0 SSIF_LVL[7:0]

R/W

SSIF output level adjustment; SSIF AGC on

(21h[5] = 1)

1111 1111

+3 dB

1010 1111*

0 dB

0100 0000

0000 0000

−8.7 dB

SSIF output level adjustment; SSIF AGC off

(21h[5] = 0)

XXX0 0001

−12 dB nominal; implemented for flexibility

reasons. With this setting, the adaptation to

different standard requirements can be done.

XXX0 0010

−6 dB nominal; implemented for flexibility

reasons. With this setting, the adaptation to

different standard requirements can be done.

XXX0 0100

Nominal setting; typical output level is

55 mV (RMS) for PC / SC ratio of 13 dB

(see Section 12, SSIF/mono sound output).

XXX0 1000

+6 dB nominal; implemented for flexibility

reasons. With this setting, the adaptation to

different standard requirements can be done.

XXX1 0000

+12 dB nominal; implemented for flexibility

reasons. With this setting, the adaptation to

different standard requirements can be done.

XXXX XXXX

don’t care if mono sound output is chosen

(SSIF_SND[1:0] = 01)

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