digital video. TDA8761 Datasheet

TDA8761 video. Datasheet pdf. Equivalent


Part TDA8761
Description 9-bit analog-to-digital converter for digital video
Feature INTEGRATED CIRCUITS DATA SHEET TDA8761 9-bit analog-to-digital converter for digital video Prelimi.
Manufacture NXP
Datasheet
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TDA8761
INTEGRATED CIRCUITS
DATA SHEET
TDA8761
9-bit analog-to-digital converter for
digital video
Preliminary specification
File under Integrated Circuits, IC02
1995 Mar 20
Philips Semiconductors



TDA8761
Philips Semiconductors
9-bit analog-to-digital converter for
digital video
Preliminary specification
TDA8761
FEATURES
9-bit resolution
Sampling rate up to 30 MHz
DC sampling allowed
One clock cycle conversion only
High signal-to-noise ratio over a large analog input
frequency range (8.5 effective bits at 10 MHz full-scale
input at fclk = 30 MHz)
No missing codes guaranteed
In range (IR) 3-state TTL output
TTL compatible digital inputs and outputs
Low-level AC clock input signal allowed
External reference voltage regulator
Power dissipation only 360 mW (typical)
Low analog input capacitance, no buffer amplifier
required
No sample-and-hold circuit required.
APPLICATIONS
Analog-to-digital conversion for:
Video data digitizing
Digital Video Broadcasting (DVB)
Cable TV.
GENERAL DESCRIPTION
The TDA8761 is a 9-bit analog-to-digital converter (ADC)
for professional video and digital video set box
applications. It converts the analog input signal into 9-bit
binary-coded digital words at a maximum sampling rate of
30 MHz. Its linearity performance ensures the required
conversion accuracy in case of 256QAM demodulator
concept and for all symbol frequencies. All digital inputs
and outputs are TTL compatible, although a low-level sine
wave clock input signal is allowed.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
VCCA
VCCD
VCCO
ICCA
ICCD
ICCO
AINL
ADNL
fclk(max)
Ptot
analog supply voltage
digital supply voltage
output stages supply voltage
analog supply current
digital supply current
output stages supply current
AC integral non-linearity
note 1; full scale input sine wave
note 1; 50% full scale input sine wave
AC differential non-linearity note 1; full scale input sine wave
note 1; 50% full scale input sine wave
maximum clock frequency
total power dissipation
4.75
4.75
4.4
30
5.0
5.0
5.0
30
22
22
±0.75
±0.5
±0.5
±0.3
360
5.25
5.25
5.25
tbf
tbf
tbf
tbf
tbf
tbf
tbf
tbf
V
V
V
mA
mA
mA
LSB
LSB
LSB
LSB
MHz
mW
Note
1. fi = 11 MHz and fclk = 30 MHz; fi = 8 MHz and fclk = 20 MHz.
ORDERING INFORMATION
TYPE
NUMBER
TDA8761M
NAME
SSOP28
PACKAGE
DESCRIPTION
plastic shrink small outline package; 28 leads; body width 5.3 mm
VERSION
SOT341-1
1995 Mar 20
2





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