Rainbow Electronics ADC10D040 - Manual (Page 8)

Converter Electrical Characteristics
(Continued)
The following specifications apply for V
A
= V
D
= +3.3 V
DC
, V
DR
= +2.5 V
DC
, V
REF
= 1.4 V
DC
, GAIN = OF = 0V, OS = 3.3V, V
IN
(a.c. coupled) = FSR = 1.4 V
P-P
, C
L
= 15 pF, f
CLK
= 40 MHz, 50% Duty Cycle, R
S
= 50 Ω, t
rc
= t
fc
< 4 ns, NOT offset cor-
rected. 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)
SFDR Spurious Free Dynamic Range
f
IN
= 4.43 MHz, V
IN
= FSR −0.1 dB 72 dB
f
IN
= 10.4 MHz, V
IN
= FSR −0.1 dB 72 dB
f
IN
= 19.7 MHz, V
IN
= FSR −0.1 dB 70 dB
IMD Intermodulation Distortion
f
IN1
< 8.5 MHz, V
IN
= FSR −6.1 dB
71 dB
f
IN2
< 9.5 MHz, V
IN
= FSR −6.1 dB
Overrange Output Code (V
IN+
−V
IN−
) > 1.5V 1023
Underrange Output Code (V
IN+
−V
IN−
) < −1.5V 0
FPBW Full Power Bandwidth 140 MHz
INTER-CHANNEL CHARACTERISTICS
Crosstalk
1 MHz input to tested channel, 10.3 MHz input
to other channel
−72 dB
Channel - Channel Aperture Delay
Match
f
IN
= 8 MHz 8.5 ps
Channel - Channel Gain Matching 0.1 %FS
REFERENCE AND ANALOG CHARACTERISTICS
V
IN
Analog Differential Input Range
Gain Pin = AGND 1.4 V
P-P
Gain Pin = V
A
2.8 V
P-P
C
IN
Analog Input Capacitance (each
input)
Clock High 6 pF
Clock Low 3 pF
R
IN
Analog Differential Input
Resistance
13.5 k Ω
V
REF
Reference Voltage 1.4
0.6 V (min)
1.6 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
30 ppm/˚C
DIGITAL INPUT CHARACTERISTICS
V
IH
Logical “1” Input Voltage V
D
= +3.0V 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
= +2.5V, I
OUT
= −0.5 mA
V
DR
−0.2V
V (min)
V
OL
Logical “0” Output Voltage V
DR
= +2.5V, I
OUT
= 1.6 mA 0.4 V (max)
+I
SC
Output Short Circuit Source
Current
V
OUT
= 0V
Parallel Mode −4.7 mA
Multiplexed Mode −9 mA
−I
SC
Output Short Circuit Sink Current V
OUT
= V
DR
Parallel Mode 4.7 mA
Multiplexed Mode 9 mA
POWER SUPPLY CHARACTERISTICS
I
A
Analog Supply Current
PD = LOW, STBY = LOW, d.c. input 70 80 mA (max)
PD = LOW, STBY = HIGH 10 mA
PD = HIGH, STBY = LOW or HIGH 0.1 mA
ADC10D040
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