參數(shù)資料
型號(hào)： TDA9614H
廠商： NXP SEMICONDUCTORS
元件分類(lèi)： 消費(fèi)家電
英文描述： Audio processor for VHS hi-fi and linear audio(應(yīng)用于VHS高保真和線性音頻的音頻處理器)
中文描述： SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝： PLASTIC, QFP-64
文件頁(yè)數(shù)： 56/60頁(yè)
文件大小： 570K
代理商： TDA9614H
1995 Mar 21
56
Philips Semiconductors
Preliminary specification
Audio processor for VHS hi-fi
and linear audio
TDA9614H
12.1
RAF I/O (pin 12)
The status of the I
2
C RAF bit is output (RAF = HIGH;
record). This output can be used to switch the audio
FM head amplifier to playback and record. If accurate fast
switching of the TDA9614H is needed, this pin can also be
used as input. Thereby overruling the I
2
C RAF bit. To
make this possible the RAF output is current limited.
When using the RAF pin as output, no more than 35
μ
A
(LOW) and 185
μ
A (HIGH) current may be drawn from this
pin to assure that the mode of the TDA9614H is not
changed.
When using the RAF pin as input, the voltage source used
must be capable of delivering at least 345
μ
A
(forced HIGH;
>
3.5 V) or sinking at least 65
μ
A
(forced LOW;
<
1.5 V).
12.2
RCCOL, RCCOR, RBPF and RFIX
(pins 59, 53, 55 and 49)
The external resistors to ground at pins RCCOL, RCCOR,
RBPF and RFIX must have a tolerance of 5%. This is
necessary to guarantee correct functioning of the IC. The
temperature coefficient of the external resistors at
RCCOL, RCCOR and RBPF have a direct influence on the
related frequencies of the on-chip oscillators and
bandpass filters.
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TDA9615H 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Audio processor for VHS hi-fi
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