Dc and logic electrical characteristics – Rainbow Electronics ADC12L080 User Manual
Page 6
DC and Logic Electrical Characteristics
Unless otherwise specified, the following specifications apply for AGND = DGND = DR GND = 0V, V
A
= V
D
= +3.3V, V
DR
=
+2.5V, PD = 0V, V
REF
= +1.0V external, V
CM
= 1.65V, R
S
<
100
Ω, f
CLK
= 80 MHz, t
r
= t
f
= 2 ns, f
IN
= 70 MHz, C
L
= 15 pF/pin.
Boldface limits apply for T
J
= T
MIN
to T
MAX
: all other limits T
J
Symbol
Parameter
Conditions
Typical
Limits
Units
(Limits)
DYNAMIC CONVERTER CHARACTERISTICS
BW
Full Power Bandwidth
-0.5 dBFS Input, Output at −3 dB
450
MHz
SNR
Signal-to-Noise Ratio
f
IN
= 10 MHz, Differential V
IN
= −0.5 dBFS
66
64
dB (min)
f
IN
= 40 MHz, Differential V
IN
= −0.5 dBFS
65
dB
f
IN
= 70 MHz, Differential V
IN
= −0.5 dBFS
65
63
dB (min)
f
IN
= 150 MHz, Differential V
IN
= −0.5 dBFS
63
dB
SINAD
Signal-to-Noise & Distortion
f
IN
= 10 MHz, Differential V
IN
= −0.5 dBFS
66
63
dB (min)
f
IN
= 40 MHz, Differential V
IN
= −0.5 dBFS
64.5
dB
f
IN
= 70 MHz, Differential V
IN
= −0.5 dBFS
64
62.7
dB (min)
f
IN
= 150 MHz, Differential V
IN
= −0.5 dBFS
62
dB
ENOB
Effective Number of Bits
f
IN
= 10 MHz, Differential V
IN
= −0.5 dBFS
10.7
10.2
Bits (min)
f
IN
= 40 MHz, Differential V
IN
= 0.5 dBFS
10.4
Bits
f
IN
= 70 MHz, Differential V
IN
= −0.5 dBFS
10.3
10.1
Bits (min)
f
IN
= 150 MHz, Differential V
IN
= −0.5 dBFS
10.0
Bits
THD
Total Harmonic Distortion
f
IN
= 10 MHz, Differential V
IN
= −0.5 dBFS
−77
-66
dB (max)
f
IN
= 40 MHz, Differential V
IN
= −0.5 dBFS
-74
dB
f
IN
= 70 MHz, Differential V
IN
= −0.5 dBFS
-71
-65
dB (max)
f
IN
= 150 MHz, Differential V
IN
= −0.5 dBFS
-70
dB
2nd
Harm
Second Harmonic Distortion
f
IN
= 10 MHz, Differential V
IN
= −0.5 dBFS
−80
-68
dB (max)
f
IN
= 40 MHz, Differential V
IN
= −0.5 dBFS
-80
dB
f
IN
= 70 MHz, Differential V
IN
= −0.5 dBFS
-80
-65.5
dB (max)
f
IN
= 150 MHz, Differential V
IN
= −0.5 dBFS
-79
dB
3rd
Harm
Third Harmonic Distortion
f
IN
= 10 MHz, Differential V
IN
= −0.5 dBFS
−84
-69
dB (max)
f
IN
= 40 MHz, Differential V
IN
= −0.5 dBFS
-81
dB
f
IN
= 70 MHz, Differential V
IN
= −0.5 dBFS
-79
-66
dB (max)
f
IN
= 150 MHz, Differential V
IN
= −0.5 dBFS
-78
dB
SFDR
Spurious Free Dynamic Range
f
IN
= 10 MHz, Differential V
IN
= −0.5 dBFS
80
68
dB (min)
f
IN
= 40 MHz, Differential V
IN
= −0.5 dBFS
77
dB
f
IN
= 70 MHz, Differential V
IN
= −0.5 dBFS
74
-65.5
dB (min)
f
IN
= 150 MHz, Differential V
IN
= −0.5 dBFS
73
dB
IMD
Intermodulation Distortion
f
IN
1 = 19.6MHz, f
IN
2 = 20.5 MHz,
each = -6.0 dBFS
66
dBFS
CLK, PD, OF DIGITAL INPUT CHARACTERISTICS
V
IN(1)
Logical “1” Input Voltage
V
D
= 3.3V
2.0
V (min)
V
IN(0)
Logical “0” Input Voltage
V
D
= 3.3V
0.8
V (max)
I
IN(1)
Logical “1” Input Current
V
IN
+, V
IN
− = 3.3V
10
µA
I
IN(0)
Logical “0” Input Current
V
IN
+, V
IN
− = 0V
−10
µA
C
IN
Digital Input Capacitance
5
pF
D0–D11 DIGITAL OUTPUT CHARACTERISTICS
V
OUT(1)
Logical “1” Output Voltage
I
OUT
= −0.5 mA
V
DR
−
0.18
V (min)
V
OUT(0)
Logical “0” Output Voltage
I
OUT
= 1.6 mA
0.4
V (max)
+I
SC
Output Short Circuit Source
Current
V
OUT
= 0V
−20
mA
−I
SC
Output Short Circuit Sink Current
V
OUT
= 2.5V
20
mA
ADC12L080
www.national.com
6