Datasheet

Data Sheet AD5426/AD5432/AD5443
Rev. G | Page 3 of 24
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 measured with OP177; ac performance with AD8038, unless otherwise noted.
Table 1.
Parameter Min Typ Max Unit Test Conditions/Comments
STATIC PERFORMANCE
AD5426
Resolution 8 Bits
Relative Accuracy ±0.25 LSB
Differential Nonlinearity ±0.5 LSB Guaranteed monotonic
AD5432
Resolution 10 Bits
Relative Accuracy ±0.5 LSB
Differential Nonlinearity ±1 LSB Guaranteed monotonic
AD5443
Resolution 12 Bits
Relative Accuracy ±1 LSB
Differential Nonlinearity −1/+2 LSB Guaranteed monotonic
Gain Error ±10 mV
Gain Error Temperature Coefficient
1
±5 ppm FSR/°C
Output Leakage Current ±10 nA Data = 0x0000, T
A
= 25°C, I
OUT
1
±20 nA Data = 0x0000, T = −40°C to 125°C, I
OUT
1
REFERENCE INPUT
1
Reference Input Range ±10 V
V
REF
Input Resistance
8
10
12
kΩ
Input resistance TC = −50 ppm/°C
R
FB
Resistance 8 10 12 kΩ Input resistance TC = −50 ppm/°C
Input Capacitance
Code Zero Scale 3 6 pF
Code Full Scale 5 8 pF
DIGITAL INPUT/OUTPUT
1
Input High Voltage, V
IH
1.7 V
Input Low Voltage, V
IL
0.6 V
Output High Voltage, V
OH
V
DD
− 1 V V
DD
= 4.5 V to 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 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
1
Reference Multiplying Bandwidth 10 MHz V
REF
= ±3.5 V; DAC loaded all 1s
Output Voltage Settling Time V
REF
= 10 V; R
LOAD
= 100 Ω, DAC latch alternately
loaded with 0s and 1s
Measured to ±16 mV of FS 50 100 ns
Measured to ±4 mV of FS 55 110 ns
Measured to ±1 mV of FS 90 160 ns
Digital Delay 40 75 ns Interface delay time
10% to 90% Rise/Fall Time 15 30 ns Rise and fall time, V
REF
= 10 V, R
LOAD
= 100 Ω
Digital-to-Analog Glitch Impulse 2 nV-s 1 LSB change around major carry, V
REF
= 0 V
Multiplying Feedthrough Error DAC latch loaded with all 0s, V
REF
= ±3.5
70 dB 1 MHz
48 dB 10 MHz