Typical Performance Characteristics–AD7304/AD7305
144
VDD = +5V
120
VSS = –5V
VREF = VDD
DATA = 00H
96
72
48
24
0
0
3
6
9
12
15
VOUT – mV
Figure 6. IOUTSINK vs. VOUT Rail-to-Rail Performance
1.0
0.6
DAC D
0.2
–0.2
–0.6
VDD = +5V
VSS = –5V
DATA = 80H
TA = +25؇C
DAC B
DAC C
DAC A
–1.0
–5.0
–3.0
–1.0
1.0
3.0
5.0
REFERENCE INPUT VOLTAGE – Volts
Figure 9. INL vs. Reference Input Voltage
–35
VDD = +5V
VSS = –5V
–28
VREF = VDD
DATA = FFH
–21
–14
–7
0
4.0
4.2
4.4
4.6
4.8
5.0
VOUT OUTPUT VOLTAGE – Volts
Figure 7. IOUTSOURCE vs. VOUT Rail-to-Rail Performance
0.500
0.375
0.250
0.125
0.000
–0.125
–0.250
–0.375
–0.500
0
VDD = +5V
VSS = –5V
VREF = 2.5V
32
64
96 128 160 192 224 256
CODE – Decimal
Figure 10. DNL vs. Code
1
0
DAC A
–1
1
0
DAC B
–1
1
0
DAC C
–1
1
VDD = +5V
VSS = –5V
VREF = +2.5V
TA = +25؇C
0
DAC D
–1
0
32
64
96 128 160 192 224 256
CODE – Decimal
Figure 8. INL vs. Code, All DAC Channels
4.0
VDD = +5.5V
VSS = 0V
3.6 VREF = +5.45V
3.2
2.8
2.4
2.0
–55 –35 –15
5 25 45 65
TEMPERATURE – ؇C
85 105 125
Figure 11. Zero Scale Voltage vs. Temperature
REV. A
–7–