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Philips Semiconductors
12-bit high-speed Analog-to-Digital
Converter (ADC)
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.
QUICK REFERENCE DATA
SYMBOL
V
analog supply voltage
CCA
V
digital supply voltage
CCD
V
output supply voltage
CCO
I
analog supply current
CCA
I
digital supply current
CCD
I
output supply current
CCO
ILE
integral non-linearity
DLE
differential non-linearity
f
maximum clock frequency
clk(max)
TDA8767H/1
TDA8767H/2
TDA8767H/3
P
total power dissipation
tot
1999 Feb 16
PARAMETER
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.
CONDITIONS
f
= 4 MHz; f
= 400 kHz
clk
i
f
= 4 MHz; f
= 400 kHz
clk
i
f
= 4 MHz; f
= 400 kHz;
clk
i
no missing codes
2
Preliminary specification
TDA8767
MIN.
TYP.
MAX.
4.75
5.0
5.25
4.75
5.0
5.25
3.0
3.3
5.25
40
tbf
22
tbf
3.2
tbf
3.0
4.0
0.6
1
10
20
30
335
UNIT
V
V
V
mA
mA
mA
LSB
LSB
MHz
MHz
MHz
mW
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