EVAL-AD7780EBZ Analog Devices Inc, EVAL-AD7780EBZ Datasheet - Page 3

• Manufacturer Part Number: EVAL-AD7780EBZ
• Description: ADC Converter Evaluation Board
• Manufacturer: Analog Devices Inc

Specifications of EVAL-AD7780EBZ

• Silicon Manufacturer: Analog Devices
• Application Sub Type: ADC
• Kit Application Type: Data Converter
• Silicon Core Number: AD7780
• Kit Contents: Board And Literature
• Number Of Adc's: 1
• Number Of Bits: 24
• Sampling Rate (per Second): 16.7
• Data Interface: SPI™
• Inputs Per Adc: 1 Differential
• Input Range: ±5 V
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 105°C
• Utilized Ic / Part: AD7780
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

SPECIFICATIONS
AV
Table 2.
Parameter
ADC CHANNEL
ANALOG INPUTS
REFERENCE
BRIDGE POWER-DOWN SWITCH (BPDSW)
INTERNAL CLOCK
Output Update Rate (f
No Missing Codes
Resolution Peak-to-Peak
RMS Noise
Integral Nonlinearity
Offset Error
Offset Error Drift vs. Temperature
Full-Scale Error
Gain Drift vs. Temperature
Power Supply Rejection
Normal-Mode Rejection
Common-Mode Rejection
Differential Input Voltage Range
Absolute AIN Voltage Limits
Average Input Current
Average Input Current Drift
Frequency
Duty Cycle
External REFIN Voltage
Reference Voltage Range
Absolute REFIN Voltage Limits
Average Reference Input Current
Average Reference Input Current Drift
Normal-Mode Rejection
Common-Mode Rejection
R
Allowable Current
DD
ON
50 Hz, 60 Hz
50 Hz, 60 Hz
DC
50 Hz, 60 Hz
= 2.7 V to 5.25 V, V
2
2
ADC
2
)
REF
2
2
= AV
2
DD
, DV
Min
24
63
72
GND + 100 mV
GND + 450 mV
GND + 1.1
GND + 1.5
0.5
GND − 30 mV
64 − 3%
DD
= 2.7 V to 5.25 V, GND = 0 V, all specifications T
Typ
10
16.7
±6
±6
±200
±1
±2
±10
±150
±10
±0.25
±2
100
120
75
90
90
90
110
±V
±1
±250
±3
AV
400
±0.15
110
50:50
REF
DD
Rev. A | Page 3 of 16
/gain
Max
AV
AV
9
30
AV
AV
AV
AV
64 + 3%
DD
DD
DD
DD
DD
DD
− 100 mV
− 1.1
− 1.1
− 1.5
+ 30 mV
Unit
Hz
Hz
Bits
ppm of FSR
μV
μV
μV
μV
nV/°C
nV/°C
nV/°C
% of FS
ppm/°C
dB
dB
dB
dB
dB
dB
dB
V
V
V
V
V
nA
pA typ
pA/°C
V
V
V
nA/V
nA/V/°C
dB
Ω
mA
kHz
%
MIN
to T
MAX
, unless otherwise noted.
FILTER = 1, settling time = 3/f
FILTER = 0, settling time = 2/f
See
See
Gain = 128 with FILTER = 1
Gain = 1 with FILTER = 1
Gain = 128 with FILTER = 0
Gain = 1 with FILTER = 0
Gain = 128
Gain = 1, AIN = 1 V
Gain = 128, AIN = 7.81 mV
Gain = 1
Same as for analog inputs
Controlled via the PDRST pin
Test Conditions/Comments
Gain = 1 with FILTER = 1
Gain = 1 with FILTER = 0
Gain = 128, FILTER = 1, AIN = 7.81 mV
Gain = 128, FILTER = 0, AIN = 7.81 mV
50 Hz ± 1 Hz, 60 Hz ± 1 Hz, f
16.7 Hz
50 Hz ± 1 Hz, 60 Hz ± 1 Hz, f
50 Hz ± 1 Hz, 60 Hz ± 1 Hz
V
or 128
Gain = 1
Gain = 128, FILTER = 0
Gain = 128, FILTER = 1, AV
Gain = 128, FILTER = 1, AV
Gain = 128
REFIN = REFIN(+) − REFIN(−)
Continuous current
REF
= REFIN(+) − REFIN(−), gain = 1
Table 7
Table 7
and
and
Table 8
Table 8
AD7780
1
ADC
DD
DD
ADC
≤ 3.6 V
> 3.6 V
= 10 Hz
ADC
ADC
=