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參數(shù)資料
| 型號： | 935201960518 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP48 |
| 封裝： | PLASTIC, SOT-313-2, LQFP-48 |
| 文件頁數(shù)： | 12/22頁 |
| 文件大?。?/td> | 178K |
| 代理商： | 935201960518 |
1995 Nov 03
2
Philips Semiconductors
Preliminary specication
YUV-to-RGB Digital-to-Analog
Converter (DAC)
SAA7167
FEATURES
On-chip mixing of digital video data and analog
RGB signals
Supports video input format of YUV 4 :2:2, 4:1:1,
2:1:1 andRGB 5:6:5
Video input rate up to 50 MHz
Allows for both binary and two’s complement video
input data
Triple 8-bit DACs for video output
Built-in voltage output amplifier
Provide keying control with external key and internal
8-bit, 2
× 8-bit and 3 × 8-bit pixel colour key
Programmable via the I2C-bus
5 V CMOS device; LQFP48 package.
GENERAL DESCRIPTION
The SAA7167 is a mixed-mode designed IC containing a
video data path, keying control block, analog mixer, and a
voltage output amplifier, capable of converting digital video
data to analog RGB video, and then mixing video and
external analog RGB inputs.
The video data path contains a data re-formatter,
YUV-to-RGB colour space matrix as well as triple DACs for
video data processing. An analog mixer performs
multiplexing between DAC outputs of the video path and
external analog RGB inputs.
The final analog outputs are buffered with built-in voltage
output amplifiers to provide the direct driving capability for
a 150
load. Figure 1 shows the overall block diagram.
The operation of SAA7167 is controlled via the I2C-bus.
QUICK REFERENCE DATA
ORDERING INFORMATION
SYMBOL
PARAMETER
MIN.
MAX.
UNIT
VDDD
digital supply voltage
4.75
5.25
V
VDDA
analog supply voltage
4.75
5.25
V
Tamb
operating ambient temperature
0
70
°C
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
SAA7167
LQFP48
plastic low prole quad at package; 48 leads; body 7
× 7 × 1.4 mm
SOT313-2
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