AD5781ARUZ-REEL7 Analog Devices Inc, AD5781ARUZ-REEL7 Datasheet - Page 4

• Manufacturer Part Number: AD5781ARUZ-REEL7
• Description: 18bit, 4LSB, Unbuffered Ref
• Manufacturer: Analog Devices Inc

Specifications of AD5781ARUZ-REEL7

• Design Resources: 18-Bit Accurate, low noise, precision bipolar DC voltage source (CN0177)
• Settling Time: 1µs
• Number Of Bits: 18
• Data Interface: DSP, MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Converters: 1
• Voltage Supply Source: Analog and Digital, Dual ±
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power Dissipation (max): -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD5781
Parameter
REFERENCE INPUTS
LOGIC INPUTS
LOGIC OUTPUT (SDO)
POWER REQUIREMENTS
1
2
3
4
5
6
7
8
9
Temperature range: −40°C to +125°C, typical conditions: T
Performance characterized with
Valid for all voltage reference spans.
Linearity error refers to both INL error and DNL error; either parameter can be expected to drift by the amount specified after the length of time specified.
Guaranteed by design and characterization, not production tested.
The AD5781 configured in X2 gain mode, 25 pF compensation capacitor on AD797.
Includes noise contribution from AD8676BRZ voltage reference buffers.
Current flowing in an individual logic pin.
Includes PSRR of AD8676BRZ voltage reference buffers.
Digital Feedthrough
DC Output Impedance (Normal Mode)
DC Output Impedance (Output
Spurious Free Dynamic Range
Total Harmonic Distortion
V
V
DC Input Impedance
Input Capacitance
Input Current
Input Low Voltage, V
Input High Voltage, V
Pin Capacitance
Output Low Voltage, V
Output High Voltage, V
High Impedance Leakage Current
High Impedance Output Capacitance
V
V
V
IOV
I
I
I
IOI
DC Power Supply Rejection Ratio
AC Power Supply Rejection Ratio
DD
SS
CC
REFP
REFN
DD
SS
CC
Clamped to Ground)
CC
CC
Input Range
Input Range
5
8
5
5
IL
IH
OL
OH
AD8676BRZ
5
5, 9
voltage reference buffers and
Min
5
V
5
−1
0.7 ×
IOV
IOV
0.5 V
7.5
V
2.7
1.71
SS
DD
+ 2.5 V
CC
CC
− 33
A
−
= 25°C, V
A, B Version
Typ
0.4
3.4
6
100
97
6.6
15
5
3
4.2
4
600
52
±0.6
±0.6
95
95
DD
= +15 V, V
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AD8675ARZ
SS
1
= −15 V, V
Max
V
0
+1
0.3 × IOV
0.4
±1
V
−2.5
5.5
5.5
5.2
4.9
900
140
DD
SS
+ 33
− 2.5 V
output buffer.
REFP
CC
= +10 V, V
Unit
nV-s
kΩ
kΩ
dB
dB
V
kΩ
pF
μA
V
V
pF
V
μA
pF
V
V
V
V
mA
mA
μA
μA
μV/V
μV/V
dB
dB
REFN
= −10 V.
All digital inputs at DGND or IOV
Test Conditions/Comments
1 kHz tone, 10 kHz sample rate
1 kHz tone, 10 kHz sample rate
V
mid-scale code
V
IOV
IOV
IOV
IOV
IOV
SDO disabled
V
V
V
V
REFP
REFP
DD
SS
DD
SS
± 10%, V
± 200 mV, 50 Hz/60 Hz, V
CC
CC
CC
CC
CC
± 10%, V
± 200 mV, 50 Hz/60 Hz, V
, V
, V
= 1.71 V to 5.5 V
= 1.71 V to 5.5 V
= 1.71 V to 5.5 V, sinking 1 mA
= 1.71 V to 5.5 V, sourcing 1 mA
≤ V
REFN
REFN
CC
, code dependent. Typical at
DD
SS
= 15 V
= 15 V
DD
SS
= −15 V
= 15 V
CC