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AD5246BKSZ10-RL7

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17
Data Sheet AD5246
Rev. C | Page 9 of 16
TEMPERATURE (°
C
)
I
DD,
SUPPLY CURRENT (µA)
–40
0.01
0.1
1
10
–25 –10
100
5 20 35 50 65 80 95 110 125
V
DD
= 5.5V
V
DD
= 2.7V
DIGITAL INPUTS = 0V
CODE = 0x40
03875-026
Figure 9. Supply Current vs. Temperature
0
10
20
30
40
50
60
70
80
90
100
1 9 17 25 33 41 49 57 65
73 81 89 97 105 113 121
RTHESOSTAT MODE TEMPCO (ppm/°C)
CODE (Decimal)
5V
2.7V
I
WB
= 200µA
R
AB
= 10kΩ
03875-027
Figure 10. Rheostat Mode Tempco ∆R
WB
/∆T vs. Code
GAIN (dB)
10k
–
6
–12
–18
–24
–30
–36
0
–42
–54
100k 1M 10M
–60
0x40
1k
–48
0x20
0x10
0x08
0x04
0x02
0x01
FREQUENCY (Hz)
03875-028
Figure 11. Gain vs. Frequency vs. Code, R
AB
= 5 kΩ
10k
–6
–12
–18
–24
–30
–36
0
–42
–54
100k 1M 10M
–60
0x40
1k
–48
0x20
0x10
0x08
0x04
0x02
0x01
GAIN (dB)
FREQUENCY (Hz)
03875-029
Figure 12. Gain vs. Frequency vs. Code, R
AB
= 10 kΩ
10k
–6
–12
–18
–24
–30
–36
0
–42
–54
100k 1M 10M
–60
0x40
1k
–48
0x20
0x10
0x08
0x04
0x02
0x01
GAIN (dB)
FREQUENCY (Hz)
03875-030
Figure 13. Gain vs. Frequency vs. Code, R
AB
= 50 kΩ
10k
–6
–12
–18
–24
–30
–36
0
–42
–54
100k 1M 10M
–60
0x40
1k
–48
0x20
0x10
0x08
0x04
0x02
0x01
GAIN (dB)
FREQUENCY (Hz)
03875-031
Figure 14. Gain vs. Frequency vs. Code, R
AB
= 100 kΩ
AD5246 Data Sheet
Rev. C | Page 10 of 16
10k
–6
–12
–18
–24
–30
–36
0
–42
–54
100k 1M 10M
–60
5kΩ
1k
–48
50kΩ
10kΩ
100kΩ
GAIN (dB)
FREQUENCY (Hz)
03875-032
Figure 15. –3 dB Bandwidth @ Code = 0x80
I
DD
(µA)
FREQUENCY (Hz)
1k
0.25
0.20
0.15
0.30
0.10
0.05
10k 100k 1M
0
C
T
A
= 25°C
A - V
DD
= 5.5V
CODE = 0x55
B - V
DD
= 5.5V
CODE = 0x7F
C - V
DD
= 2.7V
CODE = 0x55
D - V
DD
= 2.7V
CODE = 0x7F
D
B
A
03875-033
Figure 16. I
DD
vs. Frequency
V
BIAS
(V)
360
300
240
180
R
WB
(Ω)
120
60
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
T
A
= 25°C
R
AB
= 50kΩ
CODE = 0x00
V
DD
= 2.7V
V
DD
= 5.5V
03875-008
Figure 17. R
WB
vs. V
BIAS
vs. V
DD
V
DD
= 5.5V
V
B
= 0V
V
W
CLK
T
A
= 25°C
R
AB
= 10kΩ
F
CLK
= 100kHz
5V
0V
03875-006
1µs/DIV
Figure 18. Digital Feedthrough
V
DD
= 5.5V
V
B
= 0V
CODE 0x40 to 0x3F
T
A
= 25°C
R
AB
= 10kΩ
V
W
200ns/DIV
03875-007
Figure 19. Midscale Glitch, Code 0x40 to 0x3F
V
DD
= 5.5V
V
B
= 0V
CODE 00
H
TO 7F
H
V
W
T
A
= 25°C
R
AB
= 10kΩ
I
W
= 50µA
40µs/DIV
1
03875-005
Figure 20. Large Signal Settling Time
Data Sheet AD5246
Rev. C | Page 11 of 16
TEST CIRCUITS
Figure 21 to Figure 25 define the test conditions used in the product Specification tables.
I
W
V
MS
W
B
DUT
03875-004
Figure 21. Test Circuit for Resistor Position Nonlinearity Error
(Rheostat Operation; R-INL, R-DNL)
∆V
MS
%
DD
%
PSS (%/%) =
V+ = V
DD
10%
PSRR (dB) = 20 LOG
DUT
MS
DD
( )
V
DD
V
MS
W
B
V+
∆V
∆V
∆V
±
03875-009
Figure 22. Test Circuit for Power Supply Sensitivity (PSS, PSSR)
W
10kΩ
10kΩ
2.5V
B
+15V
–15V
V
OUT
OP27
DUT
V
IN
03875-010
Figure 23. Test Circuit for Gain vs. Frequency
03875-040
W
B
V
DD
TO GND
DUT
I
SW
CODE = 0x00
R
SW
=
0.1V
I
SW
0.1V
Figure 24. Test Circuit for Incremental On Resistance
W
B
NO CONNECT
I
CM
V
CM
DUT
03875-012
Figure 25. Test Circuit for Common-Mode Leakage Current
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17

AD5246BKSZ10-RL7

Mfr. #:
Buy AD5246BKSZ10-RL7
Manufacturer:
Analog Devices Inc.
Description:
Digital Potentiometer ICs IC 7-Bit I2C Dig Trimmer
Lifecycle:
New from this manufacturer.
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