Datasheet

Parameter Symbol Conditions Min Typ Max Units
STATIC PERFORMANCE
Resolution N 8 Bits
Total Unadjusted Error
1
TUE Includes Reference A, E ±1 LSB
B, F ±2 LSB
Relative Accuracy INL A, E ±1/2 LSB
B, F ±1 LSB
Differential Nonlinearity
2
DNL ±1 LSB
Full-Scale Temperature Coefficient TCG
FS
Includes Reference 25 ppm/°C
Zero Scale Error V
ZSE
20 mV
Zero Scale Error
Temperature Coefficient TCV
ZS
Dual Supply V
SS
= –5 V 10 µV/°C
REFERENCE OUTPUT
Output Voltage V
REF
OUT No Load A, E 9.96 10.04 V
B, F 9.92 10.08 V
Temperature Coefficient TCV
REF
OUT 20 ppm/°C
Load Regulation LD
REG
∆I
L
= 5 mA 0.02 0.1 %/mA
Line Regulation LN
REG
∆V
DD
±10% 0.008 0.04 %/V
Output Noise
3
e
n
rms f = 0.1 Hz to 10 Hz 3 10 µV p-p
Output Current I
REF
OUT ∆V
REF
OUT < 40 mV 5 7 mA
DIGITAL INPUTS
Logic Input “0” V
INL
0.8 V
Logic Input “1” V
INH
2.4 V
Input Current I
IN
V
IN
= 0 V or V
DD
0.1 10 µA
Input Capacitance
3
C
IN
48pF
POWER SUPPLIES
Positive Supply Current
4
I
DD
614mA
Negative Supply Current
4
I
SS
Dual Supply V
SS
= –5 V 4 10 mA
Power Dissipation
5
P
DISS
90 210 mW
Power Supply Sensitivity P
SS
∆V
DD
= ±5% 0.0002 0.01 %/%
REV. C
–2–
DAC8426–SPECIFICATIONS
(V
DD
= +15 V 6 10%, AGND = DGND = 0 V, V
SS
= 0 V, T
A
= –558C to +1258C
applies for DAC8426AR/BR, T
A
= –408C to +858C applies for DAC8426ER/EP/FR/FP/FS, unless otherwise noted.)
Parameter Symbol Conditions Min Typ
6
Max Units
DAC OUTPUT
Output Current (Source)
3
I
OUT
SOURCE Digital In = All Ones 10 mA
Output Current (Sink)
3
I
OUT
SINK Digital In = All Zeroes V
SS
= –5 V 350 450 µA
Minimum Load Resistance R
L(MIN)
Digital In = All Ones 2 kΩ
DYNAMIC PERFORMANCE
3
V
OUT
Slew Rate SR 4 V/µs
V
OUT
Settling Time t
S
To ±1/2 LSB, R
L
= 2 kΩ 3 µs
(Positive or Negative)
Digital Crosstalk Q 10 nVs
SWITCHING CHARACTERISTICS
3
Address To Write Setup Time t
AS
0ns
Address To Write Hold Time t
AH
0ns
Data Valid To Write Setup Time t
DS
70 ns
Data Valid To Write Hold Time t
DH
10 ns
Write Pulse Width t
WR
50 ns
NOTES
1
Includes Full-Scale Error, Relative Accuracy, and Zero Code Error. Note ±1 LSB = ±0.39% error.
2
All devices guaranteed monotonic over the full operating temperature range.
3
Guaranteed and not subject to production test.
4
Digital inputs V
IN
= V
INL
or V
INH
; V
OUT
and V
REF
OUT unloaded.
5
P
DISS
calculated by I
DD
× V
DD
.
6
Typicals represent measured characteristics at T
A
= +25°C.
Specifications subject to change without notice.
ELECTRICAL CHARACTERISTICS
V
DD
= +15 V 6 10%, AGND = DGND = 0 V, V
SS
= 0 V, T
A
= –558C to +1258C applies for
DAC8426AR/BR, T
A
= –408C to +858C applies for DAC8426ER/EP/FR/FP/FS, unless otherwise noted.