Rainbow Electronics ADC10D020 - Manual (Page 8)

Converter Electrical Characteristics
(Continued)
The following specifications apply for V
A
= V
D
= V
DR
= +3.0 V
DC
, V
REF
= 1.0 V
DC
, GAIN = OF = 0V, OS = 3.0V, V
IN
(ac
coupled) = FSR = 1.0 V
P-P
, C
L
= 15 pF, f
CLK
= 20 MHz, 50% Duty Cycle, R
S
= 50 Ω , t
rc
= t
fc
< 4 ns, NOT offset corrected.
Boldface limits apply for T
A
= T
MIN
to T
MAX
: all other limits T
A
= 25˚C (Note 7).
Symbol Parameter Conditions
Typical
(Note 8)
Limits
(Note 9)
Units
(Limits)
HS2 Second Harmonic
f
IN
= 1.0 MHz, V
IN
= FSR −0.1 dB −84 dB
f
IN
= 4.7 MHz, V
IN
= FSR −0.1 dB −92 dB
f
IN
= 9.5 MHz, V
IN
= FSR −0.1 dB −87 dB
f
IN
= 19.5 MHz, V
IN
= FSR −0.1 dB −87 dB
HS3 Third Harmonic
f
IN
= 1.0 MHz, V
IN
= FSR −0.1 dB −80 dB
f
IN
= 4.7 MHz, V
IN
= FSR −0.1 dB −78 dB
f
IN
= 9.5 MHz, V
IN
= FSR −0.1 dB −78 dB
f
IN
= 19.5 MHz, V
IN
= FSR −0.1 dB −78 dB
SFDR Spurious Free Dynamic Range
f
IN
= 1.0 MHz, V
IN
= FSR −0.1 dB 76 dB
f
IN
= 4.7 MHz, V
IN
= FSR −0.1 dB 75 dB
f
IN
= 9.5 MHz, V
IN
= FSR −0.1 dB 75 dB
f
IN
= 19.5 MHz, V
IN
= FSR −0.1 dB 74 dB
IMD Intermodulation Distortion
f
IN1
< 4.9 MHz, V
IN
= FSR −6.1 dB
65 dB
f
IN2
< 5.1 MHz, V
IN
= FSR −6.1 dB
Overrange Output Code (V
IN+
−V
IN−
) > 1.1V 1023
Underrange Output Code (V
IN+
−V
IN−
) < −1.1V 0
FPBW Full Power Bandwidth 140 MHz
INTER-CHANNEL CHARACTERISTICS
Crosstalk
1 MHz input to tested channel, 4.75 MHz input
to other channel
−90 dB
Channel - Channel Aperture Delay
Match
f
IN
= 8 MHz 8.5 ps
Channel - Channel Gain Matching 0.03 %FS
REFERENCE AND ANALOG CHARACTERISTICS
V
IN
Analog Differential Input Range
Gain Pin = AGND 1 V
P-P
Gain Pin = V
A
2 V
P-P
C
IN
Analog Input Capacitance (each
input)
Clock High 6 pF
Clock Low 3 pF
R
IN
Analog Differential Input
Resistance
27 k Ω
V
REF
Reference Voltage 1.0
0.8 V(min)
1.5 V(max)
I
REF
Reference Input Current < 1 µA
V
CMO
Common Mode Voltage Output
1 mA load to ground
(sourcing current)
1.5
1.35 V(min)
1.6 V(max)
TC
V
CMO
Common Mode Voltage
Temperature Coefficient
20 ppm/˚C
DIGITAL INPUT CHARACTERISTICS
V
IH
Logical “1” Input Voltage V
D
= +2.7V 2.0 V(min)
V
IL
Logical “0” Input Voltage V
D
= +3.6V 0.5 V(max)
I
IH
Logical “1” Input Current V
IH
= V
D
< 1 µA
I
IL
Logical “0” Input Current V
IL
= DGND > −1 µA
DIGITAL OUTPUT CHARACTERISTICS
V
OH
Logical “1” Output Voltage V
DR
= +2.7V, I
OUT
= −0.5 mA
V
DR
−0.3V
V(min)
V
OL
Logical “0” Output Voltage V
DR
= +2.7V, I
OUT
= 1.6 mA 0.4 V(max)
ADC10D020
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