Converter electrical characteristics – Rainbow Electronics ADC10D040 User Manual
Page 9
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
Limits
Units
(Limits)
I
D
Digital Supply Current
PD = LOW, STBY = LOW, d.c. input
9
10
mA (max)
PD = LOW, STBY = HIGH
0.1
mA
PD = HIGH, STBY = LOW or HIGH
0.1
mA
I
DR
Digital Output Driver Supply
Current (Note 10)
PD = STBY = LOW, dc input
1.9
2.5
mA (max)
PD
Power Consumption
PD = LOW, STBY = LOW, d.c. input
267
305
mW (max)
PD = LOW, STBY = LOW, 1 MHz Input
270
mW
PD = LOW, STBY = HIGH
30
mW
PD = HIGH, STBY = LOW or HIGH
0.6
mW
PSRR1 Power Supply Rejection Ratio
Change in Full Scale with 3.0V to 3.6V Supply
Change
90
dB
PSRR2 Power Supply Rejection Ratio
Rejection at output with 10.3 MHz, 250 mV
P-P
Riding on V
A
and V
D
52
dB
AC Electrical Characteristics
OS = Low (Multiplexed Mode)
The following specifications apply for V
A
= V
D
= +3.3 V
DC
, V
DR
= +2.5V
DC
, V
REF
= 1.4 V
DC
, GAIN = OF = 0V, OS = 0V, 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
Limits
Units
(Limits)
f
CLK1
Maximum Clock Frequency
45
40
MHz (min)
f
CLK2
Minimum Clock Frequency
20
MHz
Duty Cycle
50
45
55
% (min)
% (max)
Pipeline Delay (Latency)
I Data
2.5
Clock Cycles
Q Data
3.0
Clock Cycles
t
r
, t
f
Output Rise and Fall Times
5
ns
t
OC
Offset Correction Pulse Width
10
ns (min)
t
OD
Output Delay from CLK Edge to
Data Valid
13
19
ns (max)
t
DIQ
I/Q Output Delay
13
ns
t
SKEW
I/Q to Data Skew
±
200
ps
t
AD
Sampling (Aperture) Delay
2.2
ns
t
AJ
Aperture Jitter
<
10
ps (rms)
t
VALID
Data Valid Time
7.5
ns
Overrange Recovery Time
Differential V
IN
step from 1.5V to
0V
50
ns
t
WUPD
PD Low to 1/2 LSB Accurate
Conversion (Wake-Up Time)
<
1
ms
t
WUSB
STBY Low to 1/2 LSB Accurate
Conversion (Wake-Up Time)
800
ns
ADC10D040
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