ADS8370I BURR-BROWN [Burr-Brown Corporation], ADS8370I Datasheet - Page 6

• Manufacturer Part Number: ADS8370I
• Description: 16-BIT, 600-kHz, PSEUDO-DIFFERENTIAL INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH SERIAL INTERFACE AND REFERENCE
• Manufacturer: BURR-BROWN [Burr-Brown Corporation]

ADS8370
SLAS450 – JUNE 2005
TIMING CHARACTERISTICS
(1) All input signals are specified with t
(2) All specifications typical at –40°C to 85°C, +VA = +4.75 V to +5.25 V, +VBD = +2.7 V to +5.25 V.
(3) All digital output signals loaded with 10-pF capacitors.
(4) Including t
6
CONVERSION AND SAMPLING
t
t
t
t
t
t
DATA READ OPERATION
t
t
t
t
t
MISCELLANEOUS
t
t
t
t
t
d1
d2
d4
d3
d5
d6
d12
d15
d7
d13
d14
d10
d18
d11
d16
d17
Delay time, conversion start command to conversion start (aperture delay)
Delay time, conversion end to BUSY fall
Delay time, conversion start command to BUSY rise
Delay time, CONVST rise to sample start
Delay time, CS fall to sample start
Delay time, conversion abort command to BUSY fall
Delay time, CS fall to MSB valid
Delay time, FS rise to MSB valid
Delay time, BUSY fall to MSB valid (if FS is high when BUSY falls)
Delay time, SCLK rise to bit valid
Delay time, CS rise to SDO 3-state
Delay time, PD rise to SDO 3-state
Delay time, total
device resume
time
Delay time, untrimmed circuit full power-down resume time
Delay time, device
power-down time
Delay time, trimmed internal reference settling (either by turning on supply or
resuming from full power-down mode), with 1-µF||0.1-µF capacitor on REFOUT
d11
, two conversions (time to cycle CONVST twice), and t
Nap mode
Full power down (external reference used with or without
1-µF||0.1-µF capacitor on REFOUT)
Full power down (internal reference used with or without
1-µF||0.1-µF capacitor on REFOUT)
Nap
Full power down (internal/external reference used)
PARAMETER
r
= t
(1) (2) (3) (4)
f
= 5 ns (10% to 90% of V
DD
) and timed from a voltage level of (V
d17
.
ADS8370I/ADS8370IB
MIN
3
6
2
TYP
200
10
conversions
IL
t
+ V
d11
MAX
25
IH
+ 2x
300
)/2.
10
20
10
10
15
18
18
10
55
(4)
5
5
6
1
4
UNIT
ms
ms
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
www.ti.com
FIGURE
41 – 43
45– 47
41,43
46,47
53,54
53,54
53,54
REF
41
43
43
44
45
47
45
55
54
53
55
53