AD7945BRS Analog Devices Inc, AD7945BRS Datasheet - Page 11
AD7945BRS
Manufacturer Part Number
AD7945BRS
Description
IC DAC 12BIT MULTIPLYING 20SSOP
Manufacturer
Analog Devices Inc
Datasheet
1.AD7943BNZ.pdf
(16 pages)
Specifications of AD7945BRS
Mounting Type
Surface Mount
Package / Case
20-SSOP
Rohs Status
RoHS non-compliant
Settling Time
600ns
Number Of Bits
12
Data Interface
Parallel
Number Of Converters
1
Voltage Supply Source
Single Supply
Power Dissipation (max)
25µW
Operating Temperature
-40°C ~ 85°C
No. Of Pins
20
Peak Reflow Compatible (260 C)
No
No. Of Bits
12 Bit
Leaded Process Compatible
No
Interface Type
Parallel
Number Of Channels
1
Resolution
12b
Single Supply Voltage (typ)
5V
Dual Supply Voltage (typ)
Not RequiredV
Architecture
R-2R
Power Supply Requirement
Single
Output Type
Current
Integral Nonlinearity Error
±0.5LSB
Single Supply Voltage (min)
4.5V
Single Supply Voltage (max)
5.5V
Dual Supply Voltage (min)
Not RequiredV
Dual Supply Voltage (max)
Not RequiredV
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
20
Package Type
SSOP
Lead Free Status / Rohs Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD7945BRS
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Part Number:
AD7945BRS-REEL
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Company:
Part Number:
AD7945BRSZ
Manufacturer:
ADI
Quantity:
968
Company:
Part Number:
AD7945BRSZ
Manufacturer:
ADI
Quantity:
2 380
Part Number:
AD7945BRSZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Part Number:
AD7945BRSZ-REEL
Manufacturer:
ADI/亚德诺
Quantity:
20 000
REV. B
Typical Performance Curves
0.5
0.4
0.3
0.2
0.1
Figure 5. Differential Nonlinearity Error vs.
V
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
Figure 6. Integral Nonlinearity Error vs.
V
0
0
REF
REF
2
2
(Normal Mode)
(Normal Mode)
4
4
V
V
REF
REF
– Volts
6
– Volts
6
V
T
OP AMP = AD843
DD
A
= +25 C
V
T
OP AMP = AD843
A
= +5V
DD
8
8
= +25 C
= +5V
10
10
–11–
Figure 7. All Codes Linearity In Normal Mode (V
Figure 8. Linearity Error vs. V
–0.25
–0.50
0.50
0.25
0.00
6
5
4
3
2
1
0
0.2
0
V
V
OP AMP = AD843
T
DD
REF
A
= +25 C
= +5V
= +10V
0.4
AD7943/AD7945/AD7948
1024
0.6
|V
REF
INPUT CODE
– V
2048
0.8
BIAS
| – Volts
REF
V
T
OP AMP = AD820
DD
A
1.0
= +25 C
(Biased Mode)
= +3.3V
3072
1.2
DD
4095
1.4
= +5 V)