Datasheet

DAC8043
Rev. E | Page 7 of 16
TYPICAL PERFORMANCE CHARACTERISTICS
0
–12
–24
–36
–48
–60
–72
–84
–96
–108
–120
1k 10k 100k 1M 10M
FREQUENCY (Hz)
GAIN (dB)
00271-004
V
DD
= 5V
V
REF
= 100mV
T
A
= 25°C
DIGITAL INPUT =
1111 1111 1111
DIGITAL INPUT =
0000 0000 0000
Figure 4. Gain vs. Frequency (Output Amplifier: OP42)
0
–20
–40
–60
–80
–100
–120
10 100 1k 10k 100k
FREQUENCY (Hz)
THD (dB)
00271-005
V
DD
= 5V
V
IN
= 6V rms
OUTPUT AMPLIFIER: OP42
T
A
= 25°C
Figure 5. Total Harmonic Distortion vs. Frequency (Multiplying Mode)
1.0
0.8
0.6
0.4
0.2
0
0 1 2 3 4
V
IN
(V)
I
DD
(mA)
00271-006
Figure 6. Supply Current vs. Logic Input Voltage
0.5
0.3
0.1
–0.1
–0.3
–0.4
0.4
0.2
0
–0.2
–0.5
0 1024512 20481536 30722560 40953584
DIGITAL INPUT CODE (Decimal)
LINEARITY ERROR (LSB)
00271-007
Figure 7. Linearity Error vs. Digital Input Code