Datasheet
Data Sheet AD5428/AD5440/AD5447
Rev. C | Page 3 of 32
SPECIFICATIONS
1
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 OP177, and ac performance is measured with AD8038, unless otherwise noted.
Table 1.
Parameter Min Typ Max Unit Conditions
STATIC PERFORMANCE
AD5428
Resolution 8 Bits
Relative Accuracy ±0.25 LSB
Differential Nonlinearity ±1 LSB Guaranteed monotonic
AD5440
Resolution 10 Bits
Relative Accuracy ±0.5 LSB
Differential Nonlinearity ±1 LSB Guaranteed monotonic
AD5447
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
±15 nA Data = 0x0000
REFERENCE INPUT
Reference Input Range ±10 V
V
REF
A, V
REF
B Input Resistance 8 10 13 kΩ Input resistance TC = –50 ppm/°C
V
REF
A-to-V
REF
B Input
Resistance Mismatch
1.6 2.5 % Typ = 25°C, max = 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 BW 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 Interface delay time
10% to 90% Settling Time 15 30 ns Rise and fall times, V
REF
= 10 V, R
LOAD
= 100 Ω
Digital-to-Analog Glitch Impulse 3
nV-sec
1 LSB change around major carry, V
REF
= 0 V