TDA8793 Datasheet, PDF (10/20 Pages) NXP Semiconductors – 8-bit, low-power, 3 V, 100 Msps Analog-to-Digital Converter ADC

Philips Semiconductors
8-bit, low-power, 3 V, 100 Msps
Analog-to-Digital Converter (ADC)
Preliminary specification
TDA8793
handbook¹, ^.h⁴alfpage
Vi(p-p)
(V)
1.2
1
0.8
0.6
1.15
1.25
FCE421
1.35
1.45
VREFIN (V)
Typical values measured at V_CCA = V_CCD = V_CCO = 3.0 V,
f_CLK = 100 MHz, T_amb = 25 °C and single-ended input.
Fig.3 ADC input voltage as a function of V_REFIN
reference input voltage.
67
handbook, halfpage
SFDR
(1)
S/N
(dB)
62
FCE423
57
52
(2)
47
42
1.15
1.25
1.35
1.45
VREFIN (V)
(1) SFDR
(2) S/N
Typical values measured at V_CCA = V_CCD = V_CCO = 3.0 V,
f_CLK = 100 MHz, T_amb = 25 °C and single-ended input.
Fig.4 Noise and spurious free dynamic range as
a function of V_REFIN reference input voltage.
handbook,⁵h⁵alfpage
THD
S/N
(dB)
53
51
FCE419
(1)
(2)
49
(3)
47
45
1
10
10²
fi (MHz)
(1) THD for differential inputs
(2) THD for single-ended input
(3) S/N
Typical values measured at V_CCA = V_CCD = V_CCO = 3.0 V,
f_CLK = 100 MHz and T_amb = 25 °C.
Fig.5 Noise and distortion as a function of input
frequency.
handbook, h⁸alfpage
EB
(bits)
7.5
7
FCE420
(1)
(2)
6.5
6
5.5
1
10
10²
fi (MHz)
(1) Differential inputs
(2) Single-ended input
Typical values measured at V_CCA = V_CCD = V_CCO = 3.0 V,
f_CLK = 100 MHz and T_amb = 25 °C.
Fig.6 Effective bits as a function of input frequency.
1999 Oct 06
10