ADC1003S030_040_050_3 © IDT 2012. All rights reserved.
Product data sheet Rev. 03 — 2 July 2012 10 of 19
Integrated Design Technology
ADC1003S030/040/050
Single 10 bits ADC, up to 30 MHz, 40 Mhz or 50 MHz, with voltage
regulator
[7] Effective bits are obtained via a Fast Fourier Transform (FFT) treatment taking 8000 acquisition points per equivalent fundamental
period. The calculation takes into account all harmonics and noise up to half of the clock frequency (Nyquist frequency). Conversion to
signal-to-noise ratio: SINAD = ENOB 6.02 + 1.76 dB.
[8] Intermodulation measured relative to either tone with analog inp
ut frequencies of 4.43 MHz and 4.53 MHz. The two input signals have
the same amplitude and the total amplitude of both signals provides full-scale to the converter.
[9] Measurement carried out using video analyzer VM700A, where the video analog sig
nal is reconstructed through a digital-to-analog
converter.
[10] Output data acquisition: the output data is available af
ter the maximum delay time of t
d(o)
. For the 50 MHz version it is recommended to
have the lowest possible output load.
014aaa325
RT
RB
RM
R
lad
R
OT
R
L
R
L
R
L
R
L
I
L
R
OB
code 1023
code 0
Fig 3. Explanation of Table 6 Table note 3
11. Additional information relating to Table 6
Table 7. Output coding and input voltage (typical values; referenced to AGND)
Code V
i(a)(p-p)
(V)
IR Binary outputs D9 to D0 Two’s complement
outputs D9 to D0
Underflow < 1.455 0 00 0000 0000 10 0000 0000
0 1.455 1 00 0000 0000 10 0000 0000
1 - 1 00 0000 0001 10 0000 0001
-
511 2.43 01 1111 1111 11 1111 1111
-
1022 - 11 11 1111 1110 01 1111 1110
1023 3.405 1 11 1111 1111 01 1111 1111
Overflow > 3.405 0 11 1111 1111 01 1111 1111
ADC1003S030_040_050_3 © IDT 2012. All rights reserved.
Product data sheet Rev. 03 — 2 July 2012 11 of 19
Integrated Design Technology
ADC1003S030/040/050
Single 10 bits ADC, up to 30 MHz, 40 Mhz or 50 MHz, with voltage
regulator
Table 8. Mode selection
TC OE D9 to D0 IR
X 1 high impedance high impedance
0 0 active; two’s complement active
1 0 active; binary active
Fig 4. Timing diagram
ADC1003S030_040_050_3 © IDT 2012. All rights reserved.
Product data sheet Rev. 03 — 2 July 2012 12 of 19
Integrated Design Technology
ADC1003S030/040/050
Single 10 bits ADC, up to 30 MHz, 40 Mhz or 50 MHz, with voltage
regulator
LOW
HIGH
HIGH
LOW
ADC1003S050
V
CCD
OE
OE
output
data
output
data
10 %
50 %
50 %
90 %
50 %
t
dLZ
t
dZL
t
dHZ
t
dZH
15 pF
3.3 kΩ
S1
TEST
V
CCD
t
dLZ
V
CCD
t
dZL
DGND
t
dZH
t
dHZ
DGND
014aaa334
V
CCD
S1
frequency on pin OE = 100 kHz
Fig 5. Timing diagram and test conditions of 3-state output delay time.
014aaa327
code 1023
code 0
50%
50%
CLK
V
I
t
s(LH)
t
s(HL)
50% 50%
2 ns 2 ns
0.5 ns 0.5 ns
Fig 6. Analog input settling-time diagram

ADC1003S040TS/C1,1

Mfr. #:
Manufacturer:
Description:
IC ADC 10BIT 28SSOP
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New from this manufacturer.
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