HI5767/4CA Intersil, HI5767/4CA Datasheet - Page 15
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HI5767/4CA
Manufacturer Part Number
HI5767/4CA
Description
IC ADC 10-BIT 40MSPS 28-SSOP
Manufacturer
Intersil
Datasheet
1.HI57672CBZ.pdf
(15 pages)
Specifications of HI5767/4CA
Number Of Bits
10
Sampling Rate (per Second)
40M
Data Interface
Parallel
Number Of Converters
8
Power Dissipation (max)
310mW
Voltage Supply Source
Analog and Digital
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
28-SSOP (0.150", 3.95mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Video Definitions
Differential Gain and Differential Phase are two commonly
found video specifications for characterizing the distortion of
a chrominance signal as it is offset through the input voltage
range of an ADC.
Differential Gain (DG)
Differential Gain is the peak difference in chrominance
amplitude (in percent) relative to the reference burst.
Differential Phase (DP)
Differential Phase is the peak difference in chrominance
phase (in degrees) relative to the reference burst.
Timing Definitions
Refer to Figure 1 and Figure 2 for these definitions.
Aperture Delay (t
Aperture delay is the time delay between the external
sample command (the falling edge of the clock) and the time
at which the signal is actually sampled. This delay is due to
internal clock path propagation delays.
Aperture Jitter (t
Aperture jitter is the RMS variation in the aperture delay due
to variation of internal clock path delays.
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HI5767
Data Hold Time (t
Data hold time is the time to where the previous data (N - 1)
is no longer valid.
Data Output Delay Time (t
Data output delay time is the time to where the new data (N)
is valid.
Data Latency (t
After the analog sample is taken, the digital data representing
an analog input sample is output to the digital data bus on
the 7th cycle of the clock after the analog sample is taken.
This is due to the pipeline nature of the converter where the
analog sample has to ripple through the internal subconverter
stages. This delay is specified as the data latency. After the
data latency time, the digital data representing each
succeeding analog sample is output during the following
clock cycle. The digital data lags the analog input sample by 7
sample clock cycles.
Power-Up Initialization
This time is defined as the maximum number of clock cycles
that are required to initialize the converter at power-up. The
requirement arises from the need to initialize the dynamic
circuits within the converter.
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