TDA8767 查看數據表（PDF） - Philips Electronics
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TDA8767 Datasheet PDF : 20 Pages
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Philips Semiconductors
12-bit high-speed Analog-to-Digital
Converter (ADC)
Preliminary specification
TDA8767
FEATURES
• 12-bit resolution
• Sampling rate up to 30 MHz
• −3 dB bandwidth of 18 MHz
• No missing codes guaranteed
• 5 V power supplies
• Binary or two’s complement CMOS outputs
• In-range CMOS output
• TTL/CMOS compatible static digital inputs
• 3 to 5 V CMOS digital outputs
• TTL compatible clock input
• Power dissipation 335 mW (typ.)
• Low analog input capacitance (typ. 2 pF), no buffer
amplifier required
• No external sample-and-hold circuit required
• Differential or single analog Input
• External amplitude range control
• Voltage controlled regulator included.
APPLICATIONS
• High-speed analog-to-digital conversion for:
– Video signal digitizing
– High Definition TV (HDTV)
– Imaging (camera, scanner)
– Medical imaging
– Telecommunication
– Base-station receiver.
GENERAL DESCRIPTION
The TDA8767 is a bipolar 12-bit Analog-to-Digital
Converter (ADC) for imaging or other applications.
It converts the analog input signal into 12-bit binary coded
digital words at a maximum sampling rate of 30 MHz.
All digital inputs and outputs are CMOS compatible.
QUICK REFERENCE DATA
SYMBOL
VCCA
VCCD
VCCO
ICCA
ICCD
ICCO
ILE
DLE
PARAMETER
analog supply voltage
digital supply voltage
output supply voltage
analog supply current
digital supply current
output supply current
integral non-linearity
differential non-linearity
fclk(max)
Ptot
maximum clock frequency
TDA8767H/1
TDA8767H/2
TDA8767H/3
total power dissipation
CONDITIONS
fclk = 4 MHz; fi = 400 kHz
fclk = 4 MHz; fi = 400 kHz
fclk = 4 MHz; fi = 400 kHz;
no missing codes
MIN.
4.75
4.75
3.0
−
−
−
−
−
TYP.
5.0
5.0
3.3
40
22
3.2
±3.0
±0.6
MAX.
5.25
5.25
5.25
tbf
tbf
tbf
±4.0
±1
UNIT
V
V
V
mA
mA
mA
LSB
LSB
10
−
−
20
−
−
30
−
−
−
335
−
MHz
MHz
MHz
mW
1999 Feb 16
2
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