Rainbow Electronics ADC12L063 - 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
= V
DR
= +3.3V, PD
= 0V, V
REF
= +1.0V, f
CLK
= 62 MHz, t
r
= t
f
= 2 ns, C
L
= 20 pF/pin. Boldface limits apply for T
A
= T
J
= T
MIN
to T
MAX
: all
other limits T
A
= T
J
= 25˚C (Notes 7, 8, 9)
Symbol Parameter Conditions
Typical
(Note 10)
Limits
(Note 10)
Units
(Limits)
CLK, PD, OE 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
= 3.0V 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 2.7 V(min)
V
OUT(0)
Logical “0” Output Voltage I
OUT
= 1.6 mA 0.4 V(max)
I
OZ
TRI-STATE Output Current
V
OUT
= 3.3V 100 nA
V
OUT
= 0V −100 nA
+I
SC
Output Short Circuit Source
Current
V
OUT
= 0V −20 mA(min)
−I
SC
Output Short Circuit Sink Current V
OUT
= V
DR
20 mA(min)
POWER SUPPLY CHARACTERISTICS
I
A
Analog Supply Current
PD Pin = DGND, V
REF
= 1.0V
PD Pin = V
DR
102
4
140 mA(max)
mA
I
D
Digital Supply Current
PD Pin = DGND
PD Pin = V
DR
, f
CLK
= 0
5.3
2
7 mA(max)
mA
I
DR
Digital Output Supply Current
PD Pin = DGND, (Note 14)
PD Pin = V
DR
, f
CLK
= 0
< 1
0
mA(max)
mA
Total Power Consumption
PD Pin = DGND, C
L
= 0 pF (Note 15)
PD Pin = V
DR
, f
CLK
= 0
354
50
485 mW
mW
PSRR1 Power Supply Rejection
Rejection of Full-Scale Error with
V
A
= 3.0V vs 3.6V
58 dB
PSRR2 Power Supply Rejection
SNR Degradation w/10 MHz,
250 mV
P-P
riding on V
A
−53 dB
DYNAMIC CONVERTER CHARACTERISTICS
BW Full Power Bandwidth 0 dBFS Input, Output at −3 dB 170 MHz
SNR Signal-to-Noise Ratio
f
IN
= 1 MHz, Differential V
IN
=
−0.5 dBFS
66 dB
f
IN
= 10 MHz, Differential V
IN
=
−0.5 dBFS
66 63.3 dB(min)
SINAD Signal-to-Noise and Distortion
f
IN
= 1 MHz, Differential V
IN
=
−0.5 dBFS
65 dB
f
IN
= 10 MHz, Differential V
IN
=
−0.5 dBFS
65 62 dB
ENOB Effective Number of Bits
f
IN
= 1 MHz, Differential V
IN
=
−0.5 dBFS
10.6 Bits
f
IN
= 10 MHz, Differential V
IN
=
−0.5 dBFS
10.3 10.0 Bits
THD Total Hamonic Distortion
f
IN
= 1 MHz, Differential V
IN
=
−0.5 dBFS
−80 dB
f
IN
= 10 MHz, Differential V
IN
=
−0.5 dBFS
−74 −65 dB(max)
ADC12L063
www.national.com 6