Rainbow Electronics ADC12D040 - Manual (Page 7)

Converter Electrical Characteristics
(Continued)
Unless otherwise specified, the following specifications apply for AGND = DGND = DR GND = 0V, V
A
V
D
+5V, V
DR
+3.0V, PD
= 0V, INT/EXT = V
D
, V
REF
= +2.0V, OEA, OEB = 0V, f
CLK
= 40 MHz, t
r
= t
f
= 3 ns, C
L
= 20 pF/pin. Boldface limits apply for
T
J
= T
MIN
to T
MAX
: all other limits T
J
= 25˚C (Notes 7, 8, 9)
Symbol Parameter Conditions
Typical
(Note 10)
Limits
(Note 10)
Units
(Limits)
H3 Third Harmonic
f
IN
= 1 MHz, V
IN
= −0.5 dBFS −84 dB
f
IN
= 10 MHz, V
IN
= −0.5 dBFS −82 −69.5 dB (max)
SFDR Spurious Free Dynamic Range
f
IN
= 1 MHz, V
IN
= −0.5 dBFS 84 dB
f
IN
= 10 MHz, V
IN
= −0.5 dBFS 80 69.5 dB (min)
IMD Intermodulation Distortion
f
IN
= 9.6 MHz and 10.2 MHz,
each = −6.0 dBFS
−80 dBFS
INTER-CHANNEL CHARACTERISTICS
Channel — Channel Offset Match ± 0.02 %FS
Channel — Channel Gain Error
Match
± 0.05 %FS
Crosstalk
10 MHz Tested Channel. 15 MHz
Other Channel
−80 dB
REFERENCE AND ANALOG INPUT CHARACTERISTICS
C
IN
V
IN
Input Capacitance (each pin to
GND)
V
IN
= 2.5 Vdc
+ 0.7 V
rms
(CLK LOW) 8 pF
(CLK HIGH) 7 pF
V
REF
Input Reference Voltage (Note 13) 2.00
1.0 V (min)
2.4 V (max)
R
REF
Reference Input Resistance 100 M Ω (min)
V
IN
Analog Input Voltage Range
0 V (min)
4 V (max)
DC and Logic Electrical Characteristics
Unless otherwise specified, the following specifications apply for AGND = DGND = DR GND = 0V, V
A
= V
D
= +5V, V
DR
=
+3.0V, PD = 0V, INT/EXT = V
D
, V
REF
= +2.0V, OEA, OEB = 0V, f
CLK
= 40 MHz, t
r
= t
f
= 3 ns, C
L
= 20 pF/pin. Boldface limits
apply for T
J
= T
MIN
to T
MAX
: all other limits 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
= 5.25V 2.0 V (min)
V
IN(0)
Logical “0” Input Voltage V
D
= 4.75V 1.0 V (max)
I
IN(1)
Logical “1” Input Current V
IN
= 5.0V 10 µA
I
IN(0)
Logical “0” Input Current 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
= 2.5V 2.3 V (min)
V
DR
= 3V 2.7 V (min)
V
OUT(0)
Logical “0” Output Voltage I
OUT
= 1.6 mA, V
DR
= 3V 0.4 V (max)
I
OZ
TRI-STATE Output Current
V
OUT
= 2.5V or 5V 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)
C
OUT
Digital Output Capacitance 5 pF
ADC12D040
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