AD5445YRU Analog Devices Inc, AD5445YRU Datasheet - Page 12

• Manufacturer Part Number: AD5445YRU
• Description: 12-BIT IOUT DAC PARALLEL ITF I.C.
• Manufacturer: Analog Devices Inc

Specifications of AD5445YRU

• Rohs Compliant: NO
• Rohs Status: RoHS non-compliant
• Settling Time: 80ns
• Number Of Bits: 12
• Data Interface: Parallel
• Number Of Converters: 1
• Voltage Supply Source: Single Supply
• Power Dissipation (max): 25µW
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP
• For Use With: EVAL-AD5445EBZ - BOARD EVALUATION FOR AD5445

AD5424/AD5433/AD5445
–102
Figure 28. Reference Multiplying Bandwidth vs. Frequency and Code
–0.2
–0.4
–0.6
–0.8
–12
–18
–24
–30
–36
–42
–48
–54
–60
–66
–72
–78
–84
–90
–96
0.2
–6
14
12
10
6
0
8
6
4
2
0
0
Figure 29. Reference Multiplying Bandwidth—All 1s Loaded
1
1
1
T
V
V
C
AD8038 AMPLIFIER
AD5445 DAC
T
LOADING
ZS TO FS
T
LOADING ZS TO FS
A
DD
REF
COMP
A
A
= 25°C
= 25°C
= 25°C
= 5V
10
10
10
= ±3.5V
Figure 27. Supply Current vs. Update Rate
= 1.8pF
100
100
100
ALL ON
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
ALL OFF
1k
FREQUENCY (Hz)
1k
FREQUENCY (Hz)
1k
FREQUENCY (Hz)
10k
10k
10k
100k
100k
100k
V
DD
V
AD8038 AMPLIFIER
DD
= 2.5V
V
= 3V
DD
1M
1M
1M
C
COMP
AD5445 DAC
= 5V
V
REF
T
V
10M
10M
10M
A
DD
= ±3.5V
= 1.8pF
= 25°C
INPUT
= 5V
100M
100M
100M
Rev. B | Page 12 of 32
–0.005
–0.010
0.045
0.040
0.035
0.030
0.025
0.020
0.015
0.010
0.005
–1.68
–1.69
–1.70
–1.71
–1.72
–1.73
–1.74
–1.75
–1.76
–1.77
–3
–6
–9
3
0
Figure 30. Reference Multiplying Bandwidth vs. Frequency and
0
10k
0
0
T
V
AD5445
0x7FF TO 0x800
A
DD
0x800 TO 0x7FF
= 25°C
V
V
V
V
V
20
REF
REF
REF
REF
REF
20
= 5V
0x7FF TO 0x800
Figure 32. Midscale Transition, V
Figure 31. Midscale Transition, V
= ±2V, AD8038 C
= ±2V, AD8038 C
= ±0.15V, AD8038 C
= ±0.15V, AD8038 C
= ±3.51V, AD8038 C
40
40
100k
V
V
DD
DD
Compensation Capacitor
60
60
= 5V
= 5V
V
FREQUENCY (Hz)
DD
V
V
DD
DD
80
80
= 3V
C
C
TIME (ns)
= 3V
TIME (ns)
= 5V
1.47pF
1pF
V
C
C
C
1M
100
DD
100
1pF
1.47pF
1.8pF
= 5V
0x800 TO 0x7FF
V
V
120
120
DD
DD
= 3V
= 3V
T
V
AD8038 AMPLIFIER
C
140
T
V
AD8038 AMPLIFIER
C
140
A
REF
COMP
A
REF
COMP
REF
10M
REF
= 25°C
= 25°C
= 3.5 V
= 0V
= 3.5V
= 0 V
160
160
= 1.8pF
= 1.8pF
180
180
100M
200
200