
ADS7833
3
SPECIFICATIONS
(CONT)
At V
ANA+
= +5V, V
ANA–
= –5V, V
DIG+
= +5V, V
DIG–
= –5V, and T
A
= –40
°
C to +85
°
C, using internal reference, f
CLOCK
= 2.1MHz.
ANALOG-TO-DIGITAL CONVERTER CHANNELS
POWER SUPPLIES
V
ANA+
V
ANA–
V
DIG+
V
DIG–
I
ANA+
I
ANA–
I
DIG+
I
DIG–
Power Dissipation
Specified Performance
+4.75
–4.75
+4.75
–4.75
+5.0
–5.0
+5.0
–5.0
15
8
3
1
125
+5.25
–5.25
+5.25
–5.25
25
10
5
2
V
V
V
V
mA
mA
mA
mA
mW
TEMPERATURE RANGE
Specified Performance
Derated Performance
Storage
–40
–55
–65
+85
+125
+150
°
C
°
C
°
C
ADS7833N
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
RESOLUTION
Output Range
Output Settling Time
Linearity Error
Differential Linearity
Output Current
Offset Error
Full Scale Error
8-Bits
0
+2.5
1
±
1
±
1
V
μ
s
LSB
LSB
μ
A
mV
%
To 0.5LSB
200
±
1
10
2
DIGITAL-TO-ANALOG CONVERTER
ADS7833N
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ABSOLUTE MAXIMUM RATINGS
Analog Input Voltage............................................... ..........................
±
25V
Ground Voltage Difference: AGND and DGND.................................
±
0.3V
Power Supply Voltages:
V
ANA+
................................................................................................. +7V
V
ANA–
................................................................................................. –7V
V
DIG+
................................................................................................. +7V
V
................................................................................................. –7V
Digital Inputs .............................................................. –0.3V to V
+0.3V
Maximum Junction Temperature ................................................... +165
°
C
Internal Power Dissipation ............................................................. 825mW
Lead Temperature (soldering, 10s)............................................... +300
°
C
PIN CONFIGURATION
SYMBOL
DESCRIPTION
MIN TYP MAX UNITS
t
CONV
CLK
A/D Conversion Time
6.6
4.0
μ
s
MHz
A/D Conversion Clock
2.1
2.8
t
1
Setup Time for Conversion
Before Rising Edge of Clock
50
ns
t
2
Hold Time for Conversion
After Rising Edge of Clock
50
ns
t
3
t
4
Setup Time for Serial Out
25
ns
Setup Time for Serial Input
30
ns
t
5
Hold Time for Serial Input
30
ns
CONVERSION AND DATA TIMING
PACKAGE INFORMATION
PACKAGE DRAWING
NUMBER
(1)
PRODUCT
PACKAGE
ADS7833N
68-Lead PLCC
312
NOTE: (1) For detailed drawing and dimension table, please see end of data
sheet, or Appendix C of Burr-Brown IC Data Book.
4
3
2
1
ADS7833N
68 67 66
NC
V
2-1N
V
2-1P
NC
V
2-2N
V
2-2P
NC
V
2-3N
V
2-3P
NC
NC
NC
NC
NC
NC
NC
NC
NC
V
1-1N
V
1-1P
NC
V
1-2N
V
1-2P
NC
V
1-3N
V
1-3P
NC
NC
NC
NC
NC
NC
NC
NC
V
3
V
3
N
V
3
V
3
V
3
V
3
V
3
V
3
V
A
A
V
A
R
G
R
I
C
A
O
N
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
65 64 63 62 61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
9
8
7
6
5
32 33 34 35 36 37 38
T
1
T
2
V
D
D
V
D
N
S
O
S
O
S
O
C
C
A
S
I
B
D
N
N
39 40 41 42 43
27 28 29 30 31