AD7809 Analog Devices, AD7809 Datasheet - Page 21

• Manufacturer Part Number: AD7809
• Description: +3.3 V to +5 V Quad/Octal 10-Bit DAC
• Manufacturer: Analog Devices

Specifications of AD7809

• Resolution (bits): 10bit
• Dac Update Rate: 667kSPS
• Dac Settling Time: 1.5µs
• Max Pos Supply (v): +5.5V
• Single-supply: Yes
• Dac Type: Voltage Out
• Dac Input Format: Par

REV. A
Figure 29. Sink and Source Current with Zero Scale
Loaded to DAC. V
Figure 30. Sink and Source Current at Full Scale with
V
Figure 31. Sink and Source Current at Full Scale with
V
DD
DD
5.200000
5.180000
5.160000
5.140000
5.120000
5.100000
= 5 V
2.850000
2.830000
2.810000
2.790000
2.770000
2.750000
= 3 V
0.150000
0.125000
0.100000
0.075000
0.050000
0.025000
0.000000
–6.0
–6.0
–0.5
V
MAIN DAC = FULL SCALE
SUB DAC = MID SCALE
V
T
V
MAIN DAC = FULL SCALE
SUB DAC = MID SCALE
V
T
MAIN DAC = ZERO SCALE
SUB DAC = MID SCALE
V
T
A
A
DD
BIAS
DD
BIAS
A
–0.4 –0.3
BIAS
= +25 C
= +25 C
Typical Performance Characteristics–AD7804/AD7805/AD7808/AD7809
= +25 C
= 5.5V
= 3V
–4.0
= V
–4.0
= V
V
V
SOURCE CURRENT
= V
SOURCE CURRENT
DD
SOURCE CURRENT
DD
DD
DD
DD
R
R
DD
= 5.5V
= 3V
L
L
/2
/2
=
/2
= 5 V and V
=
–0.2
R
R
–2.0
L
–2.0
L
= 2k
= 2k
CURRENT – mA
CURRENT – mA
–0.1
CURRENT – mA
0.0
0.0
0.0
SINK CURRENT
SINK CURRENT
SINK CURRENT
DD
0.1
= 3 V
2.0
2.0
0.2
0.3
4.0
4.0
0.4
0.5
6.0
6.0
–21–
Figure 32. Integral Linearity with 5 V Operation
Figure 33. Integral Linearity with 3 V Operation
1.225
1.224
1.223
1.222
1.221
1.220
1.219
1.218
1.217
1.216
Figure 34. Digital-to-Analog Glitch Impulse
–0.5
–1.0
–1.5
–2.0
–0.5
–1.0
–1.5
–2.0
2.0
1.5
1.0
0.5
0.0
2.0
1.5
1.0
0.5
0.0
0
0
0
V
R
CODE CHANGE
T
AV
V
T
SUB DAC LOADED WITH
AV
V
T
SUB DAC LOADED WITH
011111 1111 TO
100000 0000
DD
A
1/2 SCALE
100
L
1/2 SCALE
100
A
20
A
BIAS
BIAS
= +25 C
= 2k ||100pF
DD
DD
= +25 C
= +25 C
= 3V
= DV
= DV
= V
= V
200 300
200 300
40
DD
DD
DD
DD
/2
/2
60
= 3V
= 5V
400
400
80
DAC CODE
DAC CODE
500
500
100
ns
600 700
600 700
120
140
800
800
160
900 1023
900 1023
180
200