Dc and logic electrical characteristics – Rainbow Electronics ADC10040 User Manual
Page 6

DC and Logic Electrical Characteristics
Unless otherwise specified, the following specifications
apply for V
SSA
= V
SSIO
= 0V, V
DDA
= +3.0V, V
DDIO
= +2.5V, V
IN
= 2 V
P-P
, STBY = 0V, V
REF
= 1.20V, (Externally Supplied)
f
CLK
= 40 MHz, 50% Duty Cycle, C
L
= 10 pF/pin. Boldface limits apply for T
A
= T
MIN
to T
MAX
: all other limits T
A
= 25˚C
Symbol
Parameter
Conditions
Min
Typ
Max
Units
CLK, DF, STBY, SENSE
Logical “1” Input Voltage
2
V
Logical “0” Input Voltage
0.8
V
Logical “1” Input Current
+10
µA
Logical “0” Input Current
−10
µA
D0–D9 OUTPUT CHARACTERISTICS
Logical “1” Output Voltage
I
OUT
= −0.5 mA
V
DDIO
−0.2
V
Logical “0” Output Voltage
I
OUT
= 1.6 mA
0.4
V
DYNAMIC CONVERTER CHARACTERISTICS
ENOB
Effective Number of Bits
f
IN
= 11 MHz
9.4, 9.3
9.6
Bits
f
IN
= 19 MHz
9.4, 9.3
9.6
Bits
SNR
Signal-to-Noise Ratio
f
IN
= 11 MHz
58.7, 58.1
59.6
dB
f
IN
= 19 MHz
58.6, 58
59.5
dB
SINAD
Signal-to-Noise Ratio + Distortion
f
IN
= 11 MHz
58.6, 58
59.5
dB
f
IN
= 19 MHz
58.5, 57.8
59.4
dB
2nd HD
2nd Harmonic
f
IN
= 11 MHz
−75.9,
−74.7
−89
dBc
f
IN
= 19 MHz
−74.4,
−73
−86
dBc
3rd HD
3rd Harmonic
f
IN
= 11 MHz
−69.5,
−67.5
−78
dBc
f
IN
= 19 MHz
−68.8,
−66.7
−77
dBc
THD
Total Harmonic Distortion (First 6
Harmonics)
f
IN
= 11 MHz
−69.5,
−67.5
−78
dB
f
.IN
= 19 MHz
−68.8,
−66.7
−77
dB
SFDR
Spurious Free Dynamic Range
(Excluding 2nd and 3rd Harmonic)
f
IN
= 11 MHz
−75.8,
−74.5
−80
dBc
f
IN
= 19 MHz
−75.7,
−74.3
−80
dBc
ADC10040
www.national.com
6