參數(shù)資料
型號(hào): ADC08351CIMTCX
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: ADC
英文描述: 8-Bit, 42 MSPS, 40 mW A/D Converter
中文描述: 1-CH 8-BIT RESISTANCE LADDER ADC, PARALLEL ACCESS, PDSO20
封裝: TSSOP-20
文件頁(yè)數(shù): 7/15頁(yè)
文件大?。?/td> 492K
代理商: ADC08351CIMTCX
Typical Performance Characteristics
V
A
= V
D
= V
D
I/O = 3V, f
CLK
= 42 MHz, unless otherwise
specified (Continued)
Specification Definitions
ANALOG INPUT BANDWIDTH
is a measure of the fre-
quency at which the reconstructed output fundamental drops
3 dB below its low frequency value for a full scale input. The
test is performed with f
IN
equal to 100 kHz plus integer mul-
tiples of f
CLK
. The input frequency at which the output is
3 dB relative to the low frequency input signal is the full
power bandwidth.
DIFFERENTIAL GAIN ERROR
is the percentage difference
between the output amplitudes of a high frequency recon-
structed sine wave at two different dc input levels.
DIFFERENTIAL NON-LINEARITY (DNL)
is the measure of
the maximum deviation from the ideal step size of 1 LSB.
DIFFERENTIAL PHASE ERROR
is the difference in the out-
put phase of a reconstructed small signal sine wave at two
different dc input levels.
EFFECTIVE NUMBER OF BITS (ENOB, or EFFECTIVE
BITS)
is another method of specifying Signal-to-Noise and
Distortion Ratio, or SINAD. ENOB is defined as (SINAD -
1.76)/6.02 and says that the converter is equivalent to a per-
fect ADC of this (ENOB) number of bits.
FULL POWER BANDWIDTH
is a measure of the frequency
at which the reconstructed output fundamental drops 3 dB
below its low frequency value for a full scale input. The test
is performed with f
equal to 100KHz plus integer multiples
of f
The input frequency at which the output is —3 dB
relative to the low frequency input signal is the full power
bandwidth.
SINAD and ENOB vs f
CLK
DS100895-16
SINAD and ENOB vs
Clock Duty Cycle
DS100895-17
SNR vs f
IN
DS100895-18
THD vs f
IN
DS100895-19
(I
D
) + (I
A
) vs f
CLK
DS100895-20
t
OD
vs V
D
DS100895-21
Spectral Response
@
42 MSPS
DS100895-22
A
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