Datasheet

Data Sheet AD5429/AD5439/AD5449
Rev. E | Page 3 of 28
SPECIFICATIONS
V
DD
= 2.5 V to 5.5 V, V
REF
= 10 V, I
OUT
2 = 0 V. Temperature range for Y version: −40°C to +125°C. All specifications T
MIN
to T
MAX
, unless
otherwise noted. DC performance is measured with the OP177, and ac performance is measured with the AD8038, unless otherwise noted.
Table 1.
Parameter
1
Min Typ Max Unit Conditions
STATIC PERFORMANCE
AD5429
Resolution 8 Bits
Relative Accuracy ±0.5 LSB
Differential Nonlinearity ±1 LSB Guaranteed monotonic
AD5439
Resolution 10 Bits
Relative Accuracy ±0.5 LSB
Differential Nonlinearity ±1 LSB Guaranteed monotonic
AD5449
Resolution 12 Bits
Relative Accuracy ±1 LSB
Differential Nonlinearity −1/+2 LSB Guaranteed monotonic
Gain Error ±25 mV
Gain Error Temperature
Coefficient
±5 ppm FSR/°C
Output Leakage Current ±5 nA Data = 0x0000, T
A
= 25°C, I
OUT
1
±15 nA Data = 0x0000, I
OUT
1
REFERENCE INPUT
Reference Input Range ±10 V
V
REF
A, V
REF
B Input Resistance 9 11 13 kΩ Input resistance temperature coefficient = −50 ppm/°C
V
REF
A-to-V
REF
B Input Resistance
Mismatch
1.6 2.5 % Typical = 25°C, maximum = 125°C
Input Capacitance
Code 0
3.5
pF
Code 4095 3.5 pF
DIGITAL INPUTS/OUTPUT
Input High Voltage, V
IH
1.7 V V
DD
= 3.6 V to 5.5 V
1.7 V V
DD
= 2.5 V to 3.6 V
Input Low Voltage, V
IL
0.8 V V
DD
= 2.7 V to 5.5 V
0.7 V V
DD
= 2.5 V to 2.7 V
Output High Voltage, V
OH
V
DD
− 1 V V
DD
= 4.5 V to 5.5 V, I
SOURCE
= 200 µA
V
DD
− 0.5 V V
DD
= 2.5 V to 3.6 V, I
SOURCE
= 200 µA
Output Low Voltage, V
OL
0.4 V V
DD
= 4.5 V to 5.5 V, I
SINK
= 200 µA
0.4 V V
DD
= 2.5 V to 3.6 V, I
SINK
= 200 µA
Input Leakage Current, I
IL
1 µA
Input Capacitance 4 10 pF
DYNAMIC PERFORMANCE
Reference-Multiplying Bandwidth 10 MHz V
REF
= ±3.5 V p-p, DAC loaded all 1s
Output Voltage Settling Time R
LOAD
= 100 Ω, C
LOAD
= 15 pF, V
REF
= 10 V,
DAC latch alternately loaded with 0s and 1s
Measured to ±1 mV of FS 80 120 ns
Measured to ±4 mV of FS
35
70
ns
Measured to ±16 mV of FS 30 60 ns
Digital Delay 20 40 ns
Digital-to-Analog Glitch Impulse 3 nV-sec 1 LSB change around major carry, V
REF
= 0 V