AD7533 Analog Devices, AD7533 Datasheet - Page 9

• Manufacturer Part Number: AD7533
• Description: CMOS Low Cost, 10-Bit Multiplying DAC
• Manufacturer: Analog Devices

Specifications of AD7533

• Resolution (bits): 10bit
• Dac Update Rate: 1.7MSPS
• Dac Settling Time: 600ns
• Max Pos Supply (v): +16.5V
• Single-supply: Yes
• Dac Type: Current Out
• Dac Input Format: Par

APPLICATIONS
DIGITAL
INPUT
BIT 10
BIT 1
“D”
I
I
OUT
OUT
V
2
1
MSB
LSB
IN
2
1
13
4
Figure 15. Divider (Digitally Controlled Gain)
Figure 16. Modified Scale Factor and Offset
V
REF
15
GND
AD7533
16
3
AD7533
GND
R
FB
3
DIGITAL
+15V
INPUT
14
+15V
14
15
FREQUENCY
V
REF
16
13
CONTROL
4
V
R
MAGNITUDE
BITS
SIGN BIT
DIGITAL
OUT
MSB
V
where:
LSB
FB
1
2
WORD
OUT
I
I
D =
OUT
OUT
= V
BIT 1
DIGITAL
INPUT
“D”
BIT 10
1
2
BIT 1
V
0 < D ≤
where:
0 < D ≤
REF
2
OUT
1
D =
=
=
MSB
LSB
+
MSB
LSB
BIT 1
1023
1024
BIT 2
–V
1023
1024
2
R
ANALOG INPUT
2
1
D
CALIBRATE
1
2
13
IN
R1
R
4
–V
13
+ R
4
BIPOLAR
2
+
REFD
+ …
10V
±10V
2
BIT 2
15
R2
15
Figure 14. Programmable Function Generator
2
BIT 10
2
–
Figure 13. 10-Bit and Sign Multiplying DAC
AD7533
V
2
AD7533
GND
V
10
REF
R
REF
3
+ …
3
1
R
1
+ R
GND
+15V
D
V
BIT 10
V
14
DD
2
14
2
DD
10
Rev. C | Page 9 of 12
16
V
16
OUT
NC
R
1
2
FB
1
2
I
OUT
I
I
OUT
OUT
I
OUT
1
1
2
6.8V
(2)
2
.
(TEST LIMIT)
DIGITAL
10kΩ
1kΩ
C
1%
OP97
INPUT
OP97
t
OP97
1/2 AD7512DIJN
Figure 17. Digitally Programmable Limit Detector
MSB
LSB
f = N (
R
0 < N ≤ (1 2
t
= 10kΩ
4.7kΩ
13
4
10kΩ
8 R
1%
V
1
t
REF
15
C
10kΩ
t
10
5kΩ
AD7533
)
)
GND
3
SQUARE
WAVE
TRIANGULAR
WAVE
+15V
14
10kΩ
OP97
(0 TO – V
16
TEST INPUT
1
2
I
I
OUT
OUT
V
REF
OUT
1
2
)
AD790
COMPARATOR
AD7533
FAIL/PASS
TEST