AD5547BRU Analog Devices Inc, AD5547BRU Datasheet - Page 15
![IC DAC 16BIT DUAL 38-TSSOP](/photos/6/68/66858/505-38-tssop_sml.jpg)
AD5547BRU
Manufacturer Part Number
AD5547BRU
Description
IC DAC 16BIT DUAL 38-TSSOP
Manufacturer
Analog Devices Inc
Datasheet
1.AD5547BRUZ.pdf
(20 pages)
Specifications of AD5547BRU
Design Resources
Precision, Unipolar, Inverting Conversion Using AD5547/57 DAC (CN0026) Precision, Unipolar, Noninverting Configuration for the AD5547/57 DAC (CN0027) Precision, Bipolar, Configuration for AD5547/AD5557 DAC (CN0028)
Settling Time
500ns
Number Of Bits
16
Data Interface
Parallel
Number Of Converters
2
Voltage Supply Source
Single Supply
Power Dissipation (max)
55µW
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
38-TSSOP
Number Of Channels
2
Resolution
16b
Interface Type
Parallel
Single Supply Voltage (typ)
5V
Dual Supply Voltage (typ)
Not RequiredV
Architecture
R-2R
Power Supply Requirement
Single
Output Type
Current
Integral Nonlinearity Error
±2LSB
Single Supply Voltage (min)
2.7V
Single Supply Voltage (max)
5.5V
Dual Supply Voltage (min)
Not RequiredV
Dual Supply Voltage (max)
Not RequiredV
Operating Temp Range
-40C to 125C
Operating Temperature Classification
Automotive
Mounting
Surface Mount
Pin Count
38
Package Type
TSSOP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD5547BRU
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Part Number:
AD5547BRUZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
2-Quadrant Multiplying Mode, V
The AD5547/AD5557 are designed to operate with either
positive or negative reference voltages. As a result, a positive
output can be achieved with an additional op amp, (see
Figure 21); the output becomes
V
V
OUT
OUT
= +V
= +V
+5V
1µF
REF
REF
C1
× D/65,536 (AD5547)
× D/16,384 (AD5557)
16/14 DATA
1µF
C2
A0, A1
LDAC
0.1µF
MSB
4
WR
RS
C3
V
GND
IN
2
TRIM
V
ADR03
OUT
OUT
U3
VDD
WR
= 0 V to +V
5
6
Figure 21. Unipolar 2-Quadrant Multiplying Mode, V
AD5547/AD5557
LDAC
+2.5V
R
R1
1A
RS
R
AD8628
U2A
COMA
MSB A0, A1
REF
C7
R2
V
REFA
2
Rev. B | Page 15 of 20
(3)
(4)
–2.5V
R
16-/14-BIT
ROFS
OFSA
Table 8 shows the positive output vs. code for the AD5547.
Table 8. AD5547 Unipolar Mode Positive Output vs. Code
D in Binary
1111 1111 1111 1111
1000 0000 0000 0000
0000 0000 0000 0001
0000 0000 0000 0000
R
RFB
FBA
AGNDA
I
OUT
OUTA
= 0 to +V
C6
REF
U2B
AD8628
+5V
+V
–V
V
+V
+V
+V
0
C4
C5
OUT
REF
REF
REF
0.1µF
(V)
(65,535/65,536)
/2
(1/65,536)
1µF
0V TO +2.5V
AD5547/AD5557
V
OUTA