Datasheet

Data Sheet AD5425
Rev. C | 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 Conditions/Comments
STATIC PERFORMANCE
Resolution 8 Bits
Relative Accuracy ±0.25 LSB
Differential Nonlinearity ±0.5 LSB Guaranteed monotonic
Gain Error ±10 mV
Gain Error Temperature Coefficient ±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
= ±3.5 V, R
LOAD
= 100 Ω, DAC latch
alternately loaded with 0s and 1s
Measured to ±1 mV 90 160 ns
Measured to ±4 mV 55 110 ns
Measured to ±16 mV 50 100 ns
Digital Delay 40 75 ns Interface delay time
10% to 90% Settling 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 V
70
dB
1 MHz
48
dB
10 MHz
Output Capacitance
I
OUT
1 12 17 pF All 0s loaded
25 30 pF All 1s loaded
I
OUT
2 22 25 pF All 0s loaded
10 12 pF All 1s loaded
Digital Feedthrough 0.1 nV-s Feedthrough to DAC output with
SYNC
high
and alternate loading of all 0s and all 1s
Analog THD 81 dB V
REF
= 3.5 V p-p; all 1s loaded, f = 1 kHz