AD650 Analog Devices, Inc., AD650 Datasheet - Page 11

• Manufacturer Part Number: AD650
• Description: Voltage-to-frequency And Frequency-to-voltage Converter
• Manufacturer: Analog Devices, Inc.

0V TO 10V
V
IN
–15V
R3
–15V
–V
ADJUST
GAIN
IN
R3
R1
5kΩ
R1
–15V
Figure 12. Connection Diagram for V/F Conversion, Negative Input Voltage
14.3kΩ
0.1µF
C
OS
0.1µF
C
C
C
INT
OS
INT
51pF
Figure 13. Connection Diagram for F/V Conversion
0.1µF
3.6kΩ
1
2
3
4
5
6
7
1000pF
1
2
3
4
5
6
7
FREQ
Figure 14. 1 MHz V/F Connection Diagram
FREQ
–V
–V
S
OUT
S
1
2
3
4
5
6
7
SHOT
OUT
ONE
AMP
SHOT
OP
FREQ
ONE
Rev. D | Page 11 of 20
AMP
OP
–V
AD650
IN
OUT
S
OUT
AD650
IN
OUT
–V
SHOT
ONE
AMP
–V
S
OP
S1
1mA
S
S1
1mA
AD650
IN
OUT
–0.6V
–V
OFFSET
INPUT
COMP
–0.6V
TRIM
S
OFFSET
S1
INPUT
1mA
COMP
TRIM
–0.6V
14
13
12
11
10
9
8
OFFSET
INPUT
COMP
14
13
12
11
10
20kΩ
TRIM
1N914
9
8
250kΩ
20kΩ
DIGITAL
0.1µF
14
13
12
11
10
GND
9
8
500Ω
0.1µF
2kΩ
20kΩ
250kΩ
1µF
250kΩ
ANALOG
GND
0.1µF
1µF
510Ω
560pF
500Ω
V
+15V
OFFSET
ADJUST
OUT
R2
ANALOG
GND
DIGITAL
GND
ANALOG
GND PLANE
+V
+5V
F
0MHz TO 1MHz
+15V
F
+15V
OUT
OUT
F
+5V
LOGIC
IN
AD650