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參數(shù)資料
| 型號(hào)： | TDA8745H |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | Satellite sound receiver with I2C-bus control |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP44 |
| 文件頁(yè)數(shù)： | 20/40頁(yè) |
| 文件大?。?/td> | 261K |
| 代理商： | TDA8745H |
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1996 Mar 11
20
Philips Semiconductors
Preliminary specification
Satellite sound receiver with I
2
C-bus control
TDA8745
DC CHARACTERISTICS
All voltages referenced to ground (pins 6, 10, 14 and 32). In accordance with the block diagram (see Fig.1);
V
P1
= V
P2
= 5 V; V
P3
= 12 V; T
amb
= 25
°
C; f
OS1
= 10.7 MHz; f
OS2
= 10.52 MHz (no modulation; see note 1); unless
otherwise specified.
Notes
1.
2.
Presence of both carriers is required to achieve lock of the PLLs; otherwise not all pins will have a stable DC voltage.
Pin 7 and 8 functioning as normal inputs (bit PE = 0).
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
V
P1
V
P2
V
P3
I
P1
I
P2
I
P3
P
tot
synthesizer and mixer supply voltage
I
2
C-bus supply voltage
general supply voltage
synthesizer and mixer supply current
I
2
C-bus supply current
general supply current
total power dissipation
4.5
4.5
8.0
5.0
5.0
12
37
0.6
35
610
5.5
5.5
13.2
48
46
800
V
V
V
mA
mA
mA
mW
Pins
V
21,22,23
V
24,25,31,33
V
31,33
V
30,34
V
27,37
V
19
V
9,11,13,15
V
42,1
V
41,39
V
5
V
3
V
2
V
40
voltage on pins 21, 22 and 23
voltage on pins 24, 25, 31 and 33
voltage on pins 31 and 33
voltage on pins 30 and 34
voltage on pins 27 and 37
voltage on pin 19
voltage on pins 9, 11, 13 and 15
voltage on pins 42 and 1
voltage on pins 41 and 39
voltage on pin 5
voltage on pin 3
voltage on pin 2
voltage on pin 40
3.7
3.8
3.8
3.8
3.8
3.8
3.8
0
3.4
2.6
1.8
2.4
2.6
1.3
3.9
V
V
V
V
V
V
V
V
V
V
V
V
V
note 2
Port extensions (pins 7 and 8; bit PE = 1)
V
OH
V
OL
HIGH level output voltage
LOW level output voltage
I
OH
= 0.5 mA
I
OL
=
0.5 mA
4.5
0
5
0.5
V
V
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