參數(shù)資料
型號(hào)： TDA8540
廠商： NXP SEMICONDUCTORS
元件分類： 運(yùn)動(dòng)控制電子
英文描述： 4 X 4 video switch matrix
中文描述： AUDIO/VIDEO SWITCH, PDIP20
封裝： 0.300 INCH, PLASTIC, DIP-20
文件頁(yè)數(shù)： 7/20頁(yè)
文件大?。?/td> 131K
代理商： TDA8540
1995 Feb 06
7
Philips Semiconductors
Product specification
4
×
4 video switch matrix
TDA8540
OEN (SUB = 02H): selects, for each output, if the output is active or high impedance, see Table 8.
Table 8
OEN (SUB = 02H) determines which output is active or high impedance
Notes
1.
2.
X = don’t care.
For j = 0 to 3: if ENj = 0 (1), then OUT j is high impedance (active).
After a power-on reset:
The outputs are set to a high impedance state; the outputs are connected to IN0; the gains are set at two and inputs
IN0 and IN1 are clamped.
Programming of the device is necessary because the outputs are in high impedance state.
Non-I
2
C-bus control
If the S0, S1 and S2 pins are all connected to V
CC
the device will enter the non-I
2
C-bus mode.
After a power-on reset:
Gain is set at two for all outputs.
All inputs are clamped.
All outputs are active.
The matrix position is given by the SDA and SCL voltage level.
Table 9
Non-I
2
C-bus control
SCL and SDA act as normal input pins:
SCL interchanges (OUT3 and OUT2) with (OUT1 and OUT0).
SDA interchanges OUT3 with OUT2 and OUT1 with OUT0.
Remark:
For use with chrominance signals, the clamp action must be overruled by external bias.
7 MSB
X
(1)
6
5
4
3
2
1
0 LSB
EN0
(2)
X
(1)
X
(1)
X
(1)
EN3
(2)
EN2
(2)
EN1
(2)
OUTPUT
SCL AND SDA
00
01
10
11
OUT3
OUT2
OUT1
OUT0
IN3
IN2
IN1
IN0
IN2
IN3
IN0
IN1
IN1
IN0
IN3
IN2
IN0
IN1
IN2
IN3
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TDA8540T 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:4 X 4 video switch matrix
TDA8540TD-T 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Cross-Point Switch
TDA8541 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:1 W BTL audio amplifier
TDA8541T 制造商:NXP Semiconductors 功能描述:Audio Amplifier Circuit, Single, 8 Pin, Plastic, SOP
TDA8541T/N1 制造商:NXP Semiconductors 功能描述:Bulk 制造商:NXP Semiconductors 功能描述:AMP AUDIO PWR 1.2W MONO 8SOIC 制造商:NXP Semiconductors 功能描述:AMP, AUDIO, PWR, 1.2W, MONO, 8SOIC 制造商:NXP Semiconductors 功能描述:AMP, AUDIO, PWR, 1.2W, MONO, 8SOIC; Amplifier Class:AB; No. of Channels:1; Output Power:1.2W; Supply Voltage Range:2.2V to 18V; Amplifier Case Style:SOIC; No. of Pins:8; Load Impedance:8ohm; Operating Temperature Min:-40C; Operating;RoHS Compliant: Yes
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