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參數資料
| 型號： | 935205840551 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | DAC |
| 英文描述： | TRIPLE, PARALLEL, 8 BITS INPUT LOADING, 0.05 us SETTLING TIME, 8-BIT DAC, PQFP44 |
| 封裝： | PLASTIC, QFP-44 |
| 文件頁數： | 12/23頁 |
| 文件大?。?/td> | 154K |
| 代理商： | 935205840551 |
1996 Jan 25
2
Philips Semiconductors
Product specication
Triple 8-bit video Digital-to-Analog
Converter (DAC)
TDA8771A
FEATURES
8-bit resolution
Sampling rate up to 35 MHz
Internal reference voltage regulator
No deglitching circuit required
Large output voltage range
1k output load
Power dissipation only 200 mW
Single 5 V power supply
44-pin QFP package.
APPLICATIONS
General purpose high-speed digital-to-analog
conversion
Digital TV
Graphic display
Desktop video processing.
GENERAL DESCRIPTION
The TDA8771A is a triple 8-bit video Digital-to-Analog
Converter (DAC). It converts the digital input signals into
analog voltage outputs at a maximum conversion rate of
35 MHz.
The DACs are based on resistor-string architecture with
integrated output buffers. The output voltage range is
determined by a built-in reference source.
The device is fabricated in a 5 V, CMOS process that
ensures high functionality with low power dissipation.
QUICK REFERENCE DATA
Note
1. Minimum and maximum data of current and power consumption are measured in worse case conditions: for
minimum data, all digital inputs are at logic level 0 while for maximum data, all digital inputs are at logic level 1.
ORDERING INFORMATION
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
VDDA
analog supply voltage
4.5
5.0
5.5
V
VDDD
digital supply voltage
4.5
5.0
5.5
V
IDDA
analog supply current
RL =1k; note 1
10
33
45
mA
IDDD
digital supply current
fclk = 35 MHz
720
mA
INL
integral non-linearity
fclk = 35 MHz; ramp input
±0.5
±1
LSB
DNL
differential non-linearity
fclk = 35 MHz; ramp input
±0.25
±0.5
LSB
fclk(max)
maximum clock frequency
35
MHz
Ptot
total power dissipation
RL =1k; fclk = 35 MHz; note 1 45
200
360
mW
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA8771AH
QFP44 plastic quad at package; 44 leads (lead length 1.3 mm);
body 10
× 10 × 1.75 mm
SOT307-2
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