AD5449 Analog Devices, AD5449 Datasheet - Page 3
AD5449
Manufacturer Part Number
AD5449
Description
Dual 12-Bit, High Bandwidth Multiplying DAC with Serial Interface
Manufacturer
Analog Devices
Datasheet
1.AD5429.pdf
(28 pages)
Specifications of AD5449
Resolution (bits)
12bit
Dac Update Rate
2.47MSPS
Dac Settling Time
80ns
Max Pos Supply (v)
+5.5V
Single-supply
Yes
Dac Type
Current Out
Dac Input Format
Ser,SPI
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD5449YRU
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Part Number:
AD5449YRUZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
SPECIFICATIONS
V
otherwise noted. DC performance is measured with the OP177, and ac performance is measured with the AD8038, unless otherwise noted.
Table 1.
Parameter
STATIC PERFORMANCE
REFERENCE INPUT
DIGITAL INPUTS/OUTPUT
DYNAMIC PERFORMANCE
DD
AD5429
AD5439
AD5449
Reference Input Range
V
V
Input Capacitance
Input High Voltage, V
Input Low Voltage, V
Output High Voltage, V
Output Low Voltage, V
Input Leakage Current, I
Input Capacitance
Reference-Multiplying Bandwidth
Output Voltage Settling Time
Measured to ±1 mV of FS
Measured to ±4 mV of FS
Measured to ±16 mV of FS
Digital Delay
Digital-to-Analog Glitch Impulse
REF
REF
= 2.5 V to 5.5 V, V
Resolution
Relative Accuracy
Differential Nonlinearity
Resolution
Relative Accuracy
Differential Nonlinearity
Resolution
Relative Accuracy
Differential Nonlinearity
Gain Error
Gain Error Temperature
Output Leakage Current
Mismatch
Code 0
Code 4095
A, V
A-to-V
Coefficient
REF
1
B Input Resistance
REF
B Input Resistance
IL
REF
IH
OL
OH
= 10 V, I
IL
OUT
2 = 0 V. Temperature range for Y version: −40°C to +125°C. All specifications T
Min
9
1.7
1.7
V
V
DD
DD
− 1
− 0.5
±5
1.6
3.5
3.5
20
Typ
±10
11
4
10
80
35
30
3
Max
8
±0.5
±1
10
±0.5
±1
12
±1
−1/+2
±25
±5
±15
13
2.5
0.8
0.7
0.4
0.4
1
10
120
70
60
40
Rev. D | Page 3 of 28
Unit
LSB
LSB
LSB
LSB
LSB
LSB
nA
nA
%
pF
pF
V
μA
ns
Bits
Bits
Bits
mV
ppm FSR/°C
V
kΩ
V
V
V
V
V
V
V
pF
MHz
ns
ns
ns
nV-sec
Conditions
Guaranteed monotonic
Guaranteed monotonic
Guaranteed monotonic
Data = 0x0000, T
Data = 0x0000, I
Input resistance temperature coefficient = −50 ppm/°C
Typical = 25°C, maximum = 125°C
V
V
V
V
V
V
V
V
V
R
DAC latch alternately loaded with 0s and 1s
1 LSB change around major carry, V
LOAD
DD
DD
DD
DD
DD
DD
DD
DD
REF
= 3.6 V to 5.5 V
= 2.5 V to 3.6 V
= 2.7 V to 5.5 V
= 2.5 V to 2.7 V
= 4.5 V to 5.5 V, I
= 2.5 V to 3.6 V, I
= 4.5 V to 5.5 V, I
= 2.5 V to 3.6 V, I
= ±3.5 V p-p, DAC loaded all 1s
= 100 Ω, C
AD5429/AD5439/AD5449
LOAD
OUT
A
= 25°C, I
1
= 15 pF, V
SOURCE
SOURCE
SINK
SINK
= 200 μA
= 200 μA
= 200 μA
= 200 μA
OUT
1
REF
MIN
= 10 V,
REF
to T
= 0 V
MAX
, unless