AD9681 Datasheet, PDF (4/40 Pages) Analog Devices – Octal, 14-Bit, 125 MSPS, Serial LVDS, 1.8 V Analog-to-Digital Converter

AD9681
Data Sheet
SPECIFICATIONS
DC SPECIFICATIONS
AVDD = 1.8 V, DRVDD = 1.8 V, 2 V p-p differential input, 1.0 V internal reference, AIN = −1.0 dBFS, unless otherwise noted.
Table 1.
Parameter¹
RESOLUTION
ACCURACY
No Missing Codes
Offset Error
Offset Matching
Gain Error
Gain Matching
Differential Nonlinearity (DNL)
Integral Nonlinearity (INL)
TEMPERATURE DRIFT
Offset Error
Gain Error
INTERNAL VOLTAGE REFERENCE
Output Voltage (1 V Mode)
Load Regulation at 1.0 mA (VREF = 1 V)
Input Resistance
INPUT-REFERRED NOISE
VREF = 1.0 V
ANALOG INPUTS
Differential Input Voltage (VREF = 1 V)
Common-Mode Voltage
Differential Input Resistance
Differential Input Capacitance
POWER SUPPLY
AVDD
DRVDD
IAVDD
IDRVDD (ANSI-644 Mode)
IDRVDD (Reduced Range Mode)
TOTAL POWER CONSUMPTION
Total Power Dissipation (Eight Channels, Including Output Drivers
ANSI-644 Mode)
Total Power Dissipation (Eight Channels, Including Output Drivers
Reduced Range Mode)
Power-Down Dissipation
Standby Dissipation²
Temp
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
25°C
Full
25°C
Full
Full
Full
Full
Full
Full
Full
Full
25°C
Full
25°C
25°C
25°C
Min
14
−0.23
0
−8.0
0
−0.92
−4.0
0.98
0.5
1.7
1.7
Typ
Max
Guaranteed
+0.21
0.24
−3.1
1.8
±0.8
±1.2
+0.62
0.7
+1.7
6.0
+1.75
+4.0
−4
38
1.0
1.02
3
7.5
0.99
2
0.9
1.3
5.2
3.5
1.8
1.9
1.8
1.9
368
423
120
126
90
879
988
825
2
485
Unit
Bits
% FSR
% FSR
% FSR
% FSR
LSB
LSB
ppm/°C
ppm/°C
V
mV
kΩ
LSB rms
V p-p
V
kΩ
pF
V
V
mA
mA
mA
mW
mW
mW
mW
1 _{See the AN-835 Application Note, Understanding High Speed ADC Testing and Evaluation, for definitions and for information about how these tests were completed.}
2 _{Controlled via the SPI.}
Rev. A | Page 4 of 40