Datasheet
AD7841
–7–
Typical Performance Characteristics–
INL ERROR – LSBs
CODE
2
–2
0 2048
1
0
4096 12288 16384
–1
6144 8192 10240 14336
V
DD
= +15V
V
SS
= –15V
V
REF
(+) = +5V
V
REF
(–) = –5V
T
A
= 25C
TPC 1. Typical INL Plot
DNL ERROR – LSBs
1
–1
–0.5
0.5
0
TEMPERATURE – C
–40 100–200 20406080
V
DD
= +15V
V
SS
= –15V
V
REF
(+) = +5V
V
REF
(+) = –5V
TPC 4. Typical DNL Error vs.
Temperature
0.6
0.5
0.4
0.3
0.1
Volts
0.2
0
–0.1
–0.2
0 500
1
000
1
500
2
000
2
500 3000 3500
4
000
4
500 5000
TPC 7. Typical Digital-to-Analog
Glitch Impulse
CODE
1
–1
0 2048
0.75
0.25
0
0.5
4096 6144 8192
DNL ERROR – LSBs
–0.25
–0.5
–0.75
10240 12288 14336 16384
V
DD
= +15V
V
SS
= –15V
V
REF
(+) = +5V
V
REF
(–) = –5V
T
A
= 25C
TPC 2. Typical DNL Plot
ERROR – LSBs
TEMPERATURE – C
4
2
–4
0
–2
–40 –20 100
0 20406080
V
DD
= +15V
V
SS
= –15V
V
REF(+)
= +5V
V
REF(–)
= –5V
FULL-SCALE ERROR
ZERO-SCALE ERROR
TPC 5. Zero-Scale and Full-Scale
Error vs. Temperature
V
OUT
– Volts
10.19
10.17
10.16
10.18
SETTLING TIME –
s
27 3328 29 30 31 32
TPC 8. Settling Time (+)
INL ERROR – LSBs
TEMPERATURE – C
4
2
–1
0
–2
–40 –20 1000 20406080
V
DD
= +15V
V
SS
= –15V
V
REF
(+) = +5V
V
REF
(–) = –5V
TPC 3. Typical INL Error vs.
Temperature
TEMPERATURE – C
–40 100–200 20406080
6
–1
I
CC
– mA
1
5
3
4
2
0
V
CC
= +5V
V
DD
= +15V
V
SS
= –15V
DIGITAL INPUTS @ SUPPLIES
DIGITAL INPUTS @
THRESHOLDS
TPC 6. I
CC
vs. Temperature
10
8
6
4
–40 –20 0 20 40 60
I
DD
/I
SS
– mA
TEMPERATURE – °C
80
100
I
SS
I
DD
V
DD
= +15V
V
SS
= –15V
V
CC
= +5V
TPC 9. I
DD
, I
SS
vs. Temperature
REV. B