AD8400 Analog Devices, AD8400 Datasheet - Page 11

• Manufacturer Part Number: AD8400
• Description: Single-channel Digital Potentiometer
• Manufacturer: Analog Devices

–12
–18
–24
–30
–36
–42
–10
–20
–45
–90
12
–6
100k
6
0
0
0
10
1k
SEE TEST CIRCUIT 7
CODE = 80
V
T
V
T
WIPER SET AT
HALF-SCALE 80
f
–3dB
V
V
R
DD
A
DD
A
IN
DD
L
= 25 C
= 25 C
200k
= 1M
= 5V
= 5V
= 100mV rms
100
= 5V
= 71kHz, R = 100k
400k
H
R = 100k
f
10k
FREQUENCY – Hz
–3dB
FREQUENCY – Hz
FREQUENCY – Hz
R = 50k
Ω
f
1k
–3dB
H
= 125kHz, R = 50k
1M
= 700kHz, R = 10k
10k
100k
2M
100k
R = 10k
4M 6M 10M
1M
1M
0.01
1200
1000
800
600
400
200
0.1
100
10
10
1
0
1
–55 –35
0
1k
A –
B –
C –
D –
T
V
A
V
CODE = 55
V
CODE = 55
V
CODE = FF
V
CODE = FF
DD
DD
DD
DD
DD
= 25 C
DIGITAL INPUT VOLTAGE – V
1
= 5V
–15
= 5.5V
= 3.3V
= 5.5V
= 3.3V
10k
TEMPERATURE – C
FREQUENCY – Hz
5
H
H
H
H
2
V
25
DD
100k
= 3V
45
3
V
DD
65
T
1M
A
= 5V
= 25 C
85 105 125
A
4
B
10M
C
D
5
AD8400/AD8402/AD8403
0.001
0.01
160
140
120
100
0.1
80
60
40
20
80
60
40
20
0
0
1
100
–55 –35
0
V
T
CODE = 80
C
V
SEE TEST CIRCUIT 4
DD
A
A
LOGIC INPUT
VOLTAGE = 0, V
L
= 25 C
= 10pF
= 4V, V
= +5V DC
1
–15
1k
B
TEMPERATURE – C
H
FREQUENCY – Hz
2
SEE TEST CIRCUIT 3
5
= 0V
V
DD
V
BIAS
25
1V p-p AC
10k
= 2.7V
DD
V
3
DD
– V
45
V
= 5.5V
DD
4
65
= 5.5V
100k
V
T
DD
A
85 105
= 25 C
= 3.3V
5
1M
125
6