ABSOLUTE MAXIMUM RATINGS (Beyond which damage may occur)
1
25 °C
Supply Voltages
V
CC
........................................................................ +6 V
V
DD
...................................................................... +15 V
V
SS
...................................................................... –15 V
Input Voltages
V
REFT
.................................... V
SS
–0.3 V to V
DD
+0.3 V
V
REFB
................................... V
DD
+0.3 V to V
SS
–0.3 V
Digital inputs ....................................–0.3 V to V
CC
+0.3 V
Temperature
Operating Temperature .......................... –40 to +85 °C
Storage ................................................ –65 to +150 °C
Note:
1. Operation at any Absolute Maximum Rating is not implied. See
Electrical Specifications for proper nominal applied conditions
in typical applications.
ELECTRICAL SPECIFICATIONS
T
A
= T
MIN
to T
MAX
, V
CC
= +5.0 V, V
DD
= +11.5 V, V
SS
= –8.0 V, V
REFT
=3.5 V, V
REFB
= –1.5 V, R
L
= +10 kΩ, C
L
= 50 pF, unless otherwise specified.
PARAMETERS
Accuracy
Resolution
Integral Linearity Error (ILE)
Differential Linearity Error (DLE)
Zero-Scale Error
Full Scale Error
Gain Error
Reference Inputs
Input Current
V
REFT1
V
REFB2
RGND Inputs
DC Input Impedance
Input Range
Output Characteristics
Output Swing
3,4
Short Circuit Current
Resistive Load
DC Output Impedance
Digital Inputs
Logic 1 Voltage
Logic 0 Voltage
Maximum Input Current
Input Capacitance
TEST
CONDITIONS
TEST
LEVEL
VI
VI
VI
VI
VI
VI
IV
VI
VI
V
IV
VI
IV
VI
IV
VI
VI
VI
V
MIN
13
–2.0
–1.0
–25
–25
–25
SPT5420
TYP
MAX
UNITS
Bits
LSB
LSB
mV
mV
mV
nA
V
V
kΩ
V
V
mA
kΩ
Ω
V
V
µA/pin
pF
±0.5
±0.3
+2.0
+1.0
+25
+25
+25
±100
+5.0
0
0
–5.0
+3.5
–1.5
60
–2.0
+7/–3
2.0
15
5
1.0
2.4
–10
10
0.8
10
Notes:
1. V
REFT
< 8 V + (V
SS
x 0.5); e.g., if V
SS
= –8 V, then V
REFT
< 4 V
2. V
REFB
> (V
DD
x 0.5) – 9.5 V; e.g., if V
DD
= 11 V, then V
REFB
> –4 V
3. V
SS
+ 2.5 V
≤
V
OUT
≤
V
SS
+ 16.0 V for 18.5 V
≤
V
DD
– V
SS
≤
20.0 V
V
SS
+ 2.5 V
≤
V
OUT
≤
V
DD
– 2.5 V for V
DD
– V
SS
≤
18.5 V
4. V
OUT
= 2 X (V
REFB
+[V
REFT
– V
REFB
] X
INPUT CODE
8192
) – V
RGND
SPT5420
2
6/26/01
CADEKA [ CADEKA MICROCIRCUITS LLC. ]
