NJU39612
■
ELECTRICAL CHARACTERISTICS
Electrical characteristics over recommended operating conditions.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Logic Input
Reset logic HIGH input voltage
V
IHR
3.5
-
-
V
Reset logic LOW input voltage
V
ILR
-
-
0.1
V
Logic HIGH input voltage
V
IH
2.0
-
-
V
Logic LOW input voltage
V
IL
-
-
0.8
V
Reset input current
I
IR
V
SS
< V
IR
< V
DD
-0.01
-
1
mA
Input current, other inputs
I
I
V
SS
< V
I
< V
DD
-1
-
1
µ
A
Input capacitance
-
3
-
pF
Internal Timing Characteristics
Address setup time
t
as
Valid for A0
60
-
-
ns
Data setup time
t
ds
Valid for D0 - D7
60
-
-
ns
Chip select setup time
t
cs
70
-
-
ns
Address hold time
t
ah
-
-
0
ns
Data hold time
t
dh
-
-
0
ns
Chip select hold time
t
ch
-
-
0
ns
Write cycle length
t
WR
50
-
-
ns
Reset cycle length
t
res
80
-
-
ns
Reference Input
Input resistance
R
ref
6
9
-
kohm
Logic Outputs
Logic HIGH output current
I
OH
V
O
= 2.4 V
-
-13
-5
mA
Logic LOW output current
I
OL
V
O
= 0.4 V
2
5
-
mA
Write propagation delay
t
pwr
From positive edge of WR.
-
30
100
ns
Outputs valid, C
load
= 120 pF
Reset propagation delay
t
pres
From positive edge of Reset to
-
60
150
ns
outputs valid, C
load
= 120 pF
DAC Outputs
Reset open, V
Ref
= 2.5 V
Nominal output voltage
V
DA
0
-
V
Ref
- 1LSB
V
Resolution
-
7
-
Bits
Offset error
-
0.2
0.5
LSB
Gain error
-
0.1
0.5
LSB
Endpoint nonlinearity
-
0.2
0.5
LSB
Differential nonlinearity
-
0.2
0.5
LSB
Load error
(V
DA
, unloaded - V
DA
, loaded)
-
0.1
0.5
LSB
R
load
= 2.5 kohm, Code 127 to DAC
Power supply sensitivity
Code 127 to DAC
-
0.1
0.3
LSB
4.75 V < V
DD
< 5.25 V
Conversion speed t
DAC
For a full-scale transition to
±
0.5 LSB
-
3
8
µ
s
of final value, R
load
= 2.5 kohm, C
load
= 50 pF.
