Notes: 19. Conversion time scales directly to the master clock speed. The times shown are for synchronous,
internal loopback (FRN mode). In PDT, RBT, and SSC modes, asynchronous delay between the falling
edge of HOLD and the start of conversion may add to the apparent conversion time. This delay will
not exceed 1 master clock cycle + 140 ns.
20. The CS5102A requires 6 clock cycles of coarse charge, followed by a minimum of 5.625
s of fine charge.
FRN mode allows 9 clock cycles for fine charge which provides for the minimum 5.625
s with an 1.6 MHz
clock, however; in PDT, RBT, or SSC modes, at clock frequencies less than 1.6 MHz, fine charge may
be less than 9 clock cycles.
21. Throughput is the sum of the acquisition and conversion times. It will vary in accordance with conditions
affecting acquisition and conversion times, as described above.
22. All outputs unloaded. All inputs at VD+ or DGND. See table below for power dissipation vs. clock frequency.
23. With 300 mV p-p, 1 kHz ripple applied to each supply separately in the bipolar mode. Rejection
improves by 6 dB in the unipolar mode to 90 dB. Figure 23 shows a plot of typical power supply
rejection versus frequency.
CS5102A
ANALOG CHARACTERISTICS (continued)
CS5102A -J,K
CS5102A -A,B
CS5102A -S,T
Parameter*
Symbol Min
Typ Max Min
Typ Max
Units
Specified Temperature Range
-
0 to +70
40 to +85
-55 to +125
°C
Analog Input
Aperture Time
-
30
-
30
-
30
-
ns
Aperture Jitter
-
100
-
100
-
100
-
ps
Input Capacitance
(Note 6)
Unipolar Mode
Bipolar Mode
-
320
200
425
265
-
320
200
425
265
-
320
200
425
265
pF
Conversion & Throughput
Conversion Time
(Note 19)
tc
-
40.625
-
40.625
-
40.625
s
Acquisition Time
(Note 20)
ta
-
9.375
-
9.375
-
9.375
s
Throughput
(Note 21)
ftp
20
-
20
-
20
-
kHz
Power Supplies
Power Supply Current
(Note 22)
Positive Analog
Negative Analog
(SLEEP High)
Positive Digital
Negative Digital
IA+
IA-
ID+
ID-
-
2.4
-2.4
2.5
-1.5
3.5
-3.5
3.5
-2.5
-
2.4
-2.4
2.5
-1.5
3.5
-3.5
3.5
-2.5
-
2.4
-2.4
2.5
-1.5
3.5
-3.5
3.5
-2.5
mA
Power Consumption
(Notes 11, 22)
(SLEEP High)
(SLEEP Low)
Pdo
Pds
-
44
1
65
-
44
1
65
-
44
1
65
-
mW
Power Supply Rejection:
(Note 23)
Positive Supplies
Negative Supplies
PSR
-
84
-
84
-
84
-
dB
Typ. Power (mW) CLKIN (MHz)
34
0.8
37
1.0
39
1.2
41
1.4
44
1.6
6
DS45F2