Datasheet

REV. –6–
AD8842–Typical Performance Characteristics
DIGITAL INPUT CODE – Decimal
LINEARITY ERROR – LSB
+1/2
–1/2
+1/2
0
–1/2
0
2560 19212864
DACs A, B, C, D SUPERIMPOSED
DACs E, F, G, H SUPERIMPOSED
T
A
= +25°C
V
DD
= +5V
V
SS
= – 5V
V
IN
X = +3V
0 64 128
0.3
0.2
–0.1
0.1
0
–0.2
–0.3
–0.4
0.4
192 256
LINEARITY ERROR – LSB
DIGITAL INPUT CODE – Decimal
V
DD
= +5V
V
SS
= –5V
V
IN
X = +3V
DAC A
T
A
= –55 °C
T
A
= +125 °C
T
A
= +25 °C
0
–10
–20
–30
–40
GAIN – dB
10k 10M
100k 1M
FREQUENCY – Hz
–180
–315
0
–90
–45
–135
–225
–270
–360
PHASE – Degrees
GAIN
–FS
+FS
PHASE
CODE = ALL ONES
PHASE
CODE = ALL ZEROS
V
IN
= ± 100mV
T
A
= +25°C
1k
10k 100k 1M 10M
FREQUENCY – Hz
90
0
15
30
45
60
75
105
120
135
CROSSTALK – dB
V
IN
A = 100mV
pp
V
IN
B = 0V
T
A
= +25°C
dB
INPUT A
OUTPUT B
Figure 4. Linearity Error vs.
Digital Code
Figure 5. Linearity Error vs.
Digital Code vs. Temperature
Figure 6. V
OUT
Half Scale (80
H
)
vs. Temperature
Figure 7. Input Resistance (V
IN
)
vs. Temperature
Figure 8. Total Harmonic Distortion
vs. Frequency
Figure 9. V
OUT
Slew Rate
vs. Temperature
Figure 10. Gain and Phase vs.
Frequency (Code = 00
H
or FF
H
)
Figure 11. DAC Crosstalk
vs. Frequency
Figure 12. Voltage Noise Density
vs. Frequency
–75 –50 –25 0
25 50 75 100 125
TEMPERATURE – °C
8
0
V
IN
X = –3V
6
4
2
–2
–4
–8
–10
V
OUT
HALF SCALE – mV
V
IN
X = +3V
V
DD
= +4.75V
V
SS
= –4.75V
21
–75 –50 100 125
TEMPERATURE – °C
REFERENCE INPUT RESISTANCE – kΩ
V
IN
= +3V
20
19
18
17
16
–25 0 25 50 75
AVG
AVG +2σ
AVG –2σ
V
DD
= +4.75V
V
SS
= –4.75V
10 100 1k 10k 100k
FREQUENCY – Hz
0.001
100
10
1
0.1
0.01
TOTAL HARMONIC DISTORTION – %
R
L
= 2kΩ
V
IN
= +4Vp-p
f
LPF
= 80kHz
CODE = FF
H
3
2
–75 –50 –25
25
V
DD
= +4.75V
V
SS
= –4.75V
∆V
IN
= ±3V
1
0
4
0
50 75 100 125
TEMPERATURE – °C
SR+
SR–
V
OUT
– SLEW RATE – V/µs
1
0.4
0
10
100 100k10k1k
0.2
0.6
0.8
FREQUENCY – Hz
e
n
– NOISE VOLTAGE (µV/√Hz )
T
A
= +25°C
V
IN
= 0V
A