Datasheet

V
DIG
V
ANA
BUSY
CS
R/C
BYTE
D0 (LSB)
D1
D2
D3
D4
D5
D6
D7
V
IN
AGND1
REF
CAP
AGND2
D15 (MSB)
D14
D13
D12
D11
D10
D9
D8
DGND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
ADS8515
SLAS460D –JUNE 2007–REVISED SEPTEMBER 2010 www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
At T
A
= –40°C to 85°C, f
s
= 250 kHz, V
DIG
= V
ANA
= 5 V, and using internal reference (unless otherwise noted).
ADS8515I ADS8515IB
PARAMETER TEST CONDITIONS UNIT
MIN TYP MAX MIN TYP MAX
Data format (parallel 16 bits)
Data coding (binary twos complement)
V
OL
Low-level output voltage I
SINK
= 1.6 mA 0.4 0.4 V
V
OH
High-level output voltage I
SOURCE
= 500 mA 0.8×V
DIG
0.8×V
DIG
V
Leakage current Hi-Z state, V
OUT
= 0 V to V
DIG
±5 ±5 mA
Output capacitance Hi-Z state 15 15 pF
DIGITAL TIMING
Bus access timing 83 83 ns
Bus relinquish timing 83 83 ns
POWER SUPPLIES
V
DIG
Digital input voltage 1.65 5.25 1.65 5.25 V
V
ANA
Analog input voltage 4.75 5 5.25 4.75 5 5.25 V
Must be ≤ V
ANA
I
DIG
Digital input current 0.1 1 0.1 1 mA
I
ANA
Analog input current 20 25 20 25 mA
Power dissipation f
S
= 250 kHz 100 125 100 125 mW
TEMPERATURE RANGE
Specified performance –40 +85 –40 +85 °C
Derated performance
(8)
–55 +125 –55 +125 °C
Storage –65 +150 –65 +150 °C
THERMAL RESISTANCE (Θ
JA
)
SSOP 67 67 °C/W
(8) The internal reference may not be started correctly beyond the industrial temperature range (–40°C to +85°C); therefore, use of an
external reference is recommended.
PIN CONFIGURATION
DB PACKAGE
SSOP-28
(TOP VIEW)
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