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參數(shù)資料
| 型號(hào)： | 935262254557 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | ADC |
| 英文描述： | 3-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP100 |
| 封裝： | PLASTIC, SOT-317-2, QFP-64 |
| 文件頁(yè)數(shù)： | 12/40頁(yè) |
| 文件大小： | 250K |
| 代理商： | 935262254557 |
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1999 Feb 24
2
Philips Semiconductors
Product specication
Triple high-speed Analog-to-Digital
Converter (ADC)
TDA8752A
FEATURES
Triple 8-bit ADC
Sampling rate up to 100 MHz
IC controllable via a serial interface, which can be either
I2C-bus or 3-wire, selected via a TTL input pin
IC analog voltage input from 0.4 to 1.2 V (p-p) to
produce full-scale ADC input of 1 V (p-p)
3 clamps for programming a clamping code between
63.5 and +64 in steps of 12LSB
3 controllable amplifiers: gain controlled via the serial
interface to produce a full scale resolution of 1
2LSB
peak-to-peak
Amplifier bandwidth of 250 MHz
Low gain variation with temperature
PLL, controllable via the serial interface to generate the
ADC clock, which can be locked to a line frequency from
15 to 280 kHz
Integrated PLL divider
Programmable phase clock adjustment cells
Internal voltage regulators
TTL compatible digital inputs and outputs
Chip enable high-impedance ADC output
Power-down mode
Possibility to use up to four ICs in the same system,
using the I2C-bus interface, or more, using the 3-wire
serial interface
1 W power dissipation.
APPLICATIONS
R, G and B high-speed digitizing
LCD panels drive
LCD projection systems
VGA and higher resolutions
Using two ICs in parallel, higher display resolution can
be obtained; 200 MHz pixel frequency.
GENERAL DESCRIPTION
The TDA8752A is a triple 8-bit ADC with controllable
amplifiers and clamps for the digitizing of large bandwidth
RGB signals.
The clamp level, the gain and all of the other settings are
controlled via a serial interface (either I2C-bus or 3-wire
serial bus, selected via a logic input).
The IC also includes a PLL that can be locked on the
horizontal line frequency and generates the ADC clock.
The PLL jitter is minimized for high resolution PC graphics
applications. An external clock can also be input to the
ADC.
It is possible to set the TDA8752A serial bus address
between four fixed values, in the event that several
TDA8752A ICs are used in a system, using the I2C-bus
interface (for example, two ICs used in an odd/even
configuration).
ORDERING INFORMATION
TYPE NUMBER
PACKAGE
SAMPLING
FREQUENCY
(MHz)
NAME
DESCRIPTION
VERSION
TDA8752AH/6
QFP100
plastic quad at package; 100 leads (lead length
1.95 mm); body 14
× 20 × 2.8 mm
SOT317-2
60
TDA8752AH/8
100
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