ADS7864
www.ti.com
SBAS141A – SEPTEMBER 2000 – REVISED MARCH 2005
ELECTRICAL CHARACTERISTICS (continued)
All specifications T
MIN
to T
MAX
, +V
A
= +V
D
= +5V, V
REF
= internal +2.5V and f
CLK
= 8MHz, f
SAMPLE
= 500kHz (unless otherwise
noted).
PARAMETER
Digital Input/Output
Logic Family
Logic Levels:
V
IH
V
IL
V
OH
V
OL
External Clock
Data Format
Power-Supply Requirements
Power Supply Voltage, +V
A
, +V
D
Quiescent Current, +V
A
, +V
D
Power Dissipation
4.75
5
5.25
10
50
4.75
5
5.25
10
50
V
mA
mW
I
IH
= +5µA
I
IL
= +5µA
I
OH
= –500µA
I
OL
= –500µA
0.2
Binary Two's Complement
3.0
–0.3
3.5
0.4
8
0.2
Binary Two's Complement
+V
D
+ 0.3
0.8
3.0
–0.3
3.5
0.4
8
+V
D
+ 0.3
0.8
V
V
V
V
MHz
CMOS
CMOS
TEST CONDITIONS
ADS7864Y
MIN
TYP
MAX
MIN
ADS7864YB
TYP
MAX
UNIT
PIN CONFIGURATIONS
CH C0+
CH C1+
CH C0
−
CH C1−
CH A0+
CH B0+
CH B1+
CH A1+
37
36 +V
A
35 AGND
34 REFIN
33 REFOUT
32 RESET
31 A0
ADS7864
DB11
DB10
DB9
7
8
9
30 A1
29 A2
28 BYTE
27 HOLDA
26 HOLDB
25 HOLDC
13
DB5
14
DB4
15
DB3
16
DB2
17
DB1
18
DB0
19
BUSY
20
DGND
21
+V
D
22
CLOCK
23
RD
24
CS
CH A0−
CH B0−
CH B1−
CH A1−
38
48
+V
A
AGND
DB15
DB14
DB13
DB12
1
2
3
4
5
6
47
46
45
44
43
42
41
40
39
DB8 10
DB7 11
DB6 12
5
TI [ TEXAS INSTRUMENTS ]
