參數(shù)資料
型號(hào)： TDA8295HN/C2
廠商： NXP SEMICONDUCTORS
元件分類： 接收器
英文描述： AM/FM, AUDIO/VIDEO DEMODULATOR, PQCC40
封裝： 6 X 6 MM, 0.85 MM HEIGHT, PLASTIC, MO-220, SOT618-1, HVQFN-40
文件頁數(shù)： 38/83頁
文件大?。?/td> 3440K
代理商： TDA8295HN/C2
TDA8295_C2_2
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 02 — 27 November 2009
43 of 83
NXP Semiconductors
TDA8295
Digital global standard low IF demodulator for analog TV and FM radio
9.3.14 Debug register for ADC and DAC test
9.3.15 Chip identification and Standby mode
Table 47.
ANALOG_DEBUG register (address 2Ah) bit description
Legend: * = default value.
Bit
Symbol
Access Value
Description
7 to 2 -
R/W
-
not used
1
ADC_TEST R/W
If ADC_TEST is HIGH, the ADC input signal is interpolated
to 108 MHz and fed to video and sound DAC output; the
main circuitry is bypassed. This feature is intended mainly
for debugging purposes and performance judgment.
0*
Normal mode
1
ADC Test mode
0
DAC_TEST R/W
DAC Test mode; in this test mode an internally generated
sine wave is given out to video and sound DAC. The
amplitude at DAC output is
1.7 dBFS. The frequency can
be set by DTO_PC. Please use the following formula:
. Due to the sampling theorem
only frequencies up to 6.75 MHz can be generated. This
feature is intended mainly for debugging purposes and
performance judgment.
0*
Normal mode
1
DAC Test mode
X
don’t care if ADC_TEST = 1
f
DTO_PC
2
24
----------------------
13.5 MHz
×
=
Table 48.
IDENTITY register (address 2Fh) bit description
Bit
Symbol
Access Value
Description
7 to 0 IDENTITY[7:0] R
1000 1010 chip identification, value corresponds to TDA8295
Table 49.
CLB_STDBY register (address 30h) bit description
Legend: * = default value.
Bit
Symbol Access Value
Description
7 to 2 -
R/W
-
not used
1
STDBY
R/W
When STDBY is set to logic 1, the chip enters in Standby
mode, and its power consumption is reduced. The IF AGC pin
is set to high-ohmic. The default value is logic 0, which means
that the chip is active.
0*
Normal mode
1
Standby mode
0
CLB
R/W
This signal clears the TDA8295 through the I2C-bus interface
(software reset). To activate the reset, just write CLB = 0. This
software reset will not affect the content of the registers.
0
activate soft reset
1*
normal operation
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TDA8296 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital global standard low IF demodulator for analog TV and FM radio
TDA8296HN 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital global standard low IF demodulator for analog TV and FM radio
TDA8296HN/C1,518 功能描述:調(diào)節(jié)器/解調(diào)器 DIGITAL GLOBAL IF DEMODULATOR RoHS:否 制造商:Texas Instruments 封裝 / 箱體:PVQFN-N24 封裝:Reel
TDA8296HN/C1,551 功能描述:調(diào)節(jié)器/解調(diào)器 DIGITAL GLOBAL IF DEMODULATOR RoHS:否 制造商:Texas Instruments 封裝 / 箱體:PVQFN-N24 封裝:Reel
TDA8296HN/C1,557 功能描述:調(diào)節(jié)器/解調(diào)器 DIGITAL GLOBAL IF DEMODULATOR RoHS:否 制造商:Texas Instruments 封裝 / 箱體:PVQFN-N24 封裝:Reel
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