TDA8767 Datasheet, PDF (2/20 Pages) NXP Semiconductors – 12-bit high-speed Analog-to-Digital Converter ADC

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
V_CCA
V_CCD
V_CCO
I_CCA
I_CCD
I_CCO
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
f_clk(max)
P_tot
maximum clock frequency
TDA8767H/1
TDA8767H/2
TDA8767H/3
total power dissipation
CONDITIONS
f_clk = 4 MHz; f_i = 400 kHz
f_clk = 4 MHz; f_i = 400 kHz
f_clk = 4 MHz; f_i = 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