AD7945BNZ Analog Devices Inc, AD7945BNZ Datasheet - Page 12

• Manufacturer Part Number: AD7945BNZ
• Description: IC DAC 12BIT MULT PARALL 20DIP
• Manufacturer: Analog Devices Inc

Specifications of AD7945BNZ

• Data Interface: Parallel
• Settling Time: 600ns
• Number Of Bits: 12
• Number Of Converters: 1
• Voltage Supply Source: Single Supply
• Power Dissipation (max): 25µW
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: 20-DIP (0.300", 7.62mm)
• Resolution (bits): 12bit
• Sampling Rate: 1.7MSPS
• Input Channel Type: Parallel
• Supply Current: 5µA
• Digital Ic Case Style: DIP
• No. Of Pins: 20
• Package: 20PDIP N
• Resolution: 12 Bit
• Conversion Rate: 1.7 MSPS
• Architecture: R-2R
• Digital Interface Type: Parallel
• Number Of Outputs Per Chip: 1
• Output Type: Current
• Full Scale Error: ±2 LSB
• Integral Nonlinearity Error: ±0.5 LSB
• Maximum Settling Time: 0.6(Typ) us
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD7943/AD7945/AD7948
Figure 10. Total Harmonic Distortion vs. Frequency
–0.50
–1.00
–100
1.00
0.50
0.00
–50
–55
–60
–65
–70
–75
–80
–85
–90
–95
Figure 9. All Codes Linearity in Biased Mode
(V
100
0
DD
V
V
V
OP AMP = AD820
T
= +3.3 V)
DD
REF
BIAS
A
= +25 C
= +3.3V
= 0V
= 1.23V
1024
1k
FREQUERCY – Hz
INPUT CODE
2048
10k
V
T
V
OP AMP = AD711
A
DD
IN
3072
= +25 C
= 6V rms
= +5V
4095
100k
–12–
–100
Figure 12. Multiplying Frequency Response vs.
Digital Code
–10
–20
–30
–40
–50
–60
–70
–80
–90
Figure 11. Digital-to-Analog Glitch Impulse
0
1k
V
T
V
OP AMP = AD711
A
DD
IN
100
0%
90
= +25 C
10
= 20V p-p
= +5V
50mV
10k
5V
DAC LOADED WITH ALL 0
AD711 OUTPUT
FREQUENCY – Hz
100k
DAC LOADED WITH ALL 1
V
T
V
OP AMP = AD711
DD
A
REF
= +25 C
= +5V
= 0V
200ns
200ns
1M
S
S
10M
REV. B