參數(shù)資料
型號(hào)： TDA9851T
廠商： NXP SEMICONDUCTORS
元件分類： 消費(fèi)家電
英文描述： I2C-bus controlled economic BTSC stereo decoder
中文描述： SPECIALTY CONSUMER CIRCUIT, PDSO24
封裝： 7.5 MM, PLASTIC, SO-24
文件頁(yè)數(shù)： 9/20頁(yè)
文件大小： 145K
代理商： TDA9851T
1997 Nov 12
9
Philips Semiconductors
Product specification
I
2
C-bus controlled economic BTSC stereo
decoder
TDA9851
Notes to the characteristics
1.
The oscillator is designed to operate together with Murata resonator CSB503F58 or CSB503JF958 as SMD. Change
of the resonator supplier is possible, but the resonator specification must be close to the specified ones.
2.
The AVL input voltage is internal. It corresponds to the output voltage OUTL and OUTR at AVL off.
3.
The listed pin voltage corresponds with typical gain steps of +6 dB, +3 dB, 0 dB,
6 dB and
15 dB.
4.
Attack time constant = C
CAV
×
R
att
.
5.
Example: C
CAV
= 4.7
μ
F; I
dec
= 2
μ
A; G
1
=
9 dB; G
2
= +6 dB
→
decay time results in 4.14 s.
When reset is active the GMU bit (mute) is set and the I
2
C-bus receiver is in the reset position.
The AC characteristics are in accordance with the I
2
C-bus specification for standard mode (clock frequency
maximum 100 kHz). A higher frequency, up to 280 kHz, can be used if all clock and data times are interpolated
between standard mode (100 kHz) and fast mode (400 kHz) in accordance with the I
2
C-bus specification.
Information about the I
2
C-bus can be found in brochure “I
2
C-bus and how to use it”(order number 9398 393 40011).
6.
7.
Power-on reset;
note 6
V
POR(start)
start of reset voltage
increasing supply voltage
decreasing supply voltage
increasing supply voltage
4.2
5.2
5
6
2.5
5.8
6.8
V
V
V
V
POR(end)
end of reset voltage
Digital part (I
2
C-bus pins);
note 7
V
IH
V
IL
I
IH
I
IL
V
OL
HIGH-level input voltage
LOW-level input voltage
HIGH-level input current
LOW-level input current
LOW-level output voltage
3
0.3
10
10
V
CC
≤
9
+1.5
+10
+10
0.4
V
V
μ
A
μ
A
V
I
IL
= 3 mA
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Decay time
C
CAV
----------------------------------------------------------------------------------
0.76 V
×
10
G
1
–
--20
10
G
2
–
--20
–
I
dec
=
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