AD7714 Analog Devices, AD7714 Datasheet - Page 5

• Manufacturer Part Number: AD7714
• Manufacturer: Analog Devices

Specifications of AD7714

• Resolution (bits): 24bit
• # Chan: 5
• Sample Rate: 19.2kSPS
• Interface: Ser,SPI
• Analog Input Type: Diff-Bip,Diff-Uni
• Ain Range: (2Vref/PGA Gain) p-p,Uni (Vref)/(PGA Gain)
• Adc Architecture: Sigma-Delta
• Pkg Type: DIP,SOIC,SOP

REV. C
AD7714Y–SPECIFICATIONS
and +2.5 V with AV
Parameter
STATIC PERFORMANCE
ANALOG INPUTS/REFERENCE INPUTS
LOGIC INPUTS
LOGIC OUTPUTS (Including MCLK OUT)
No Missing Codes
Output Noise
Integral Nonlinearity
Unipolar Offset Error
Unipolar Offset Drift
Bipolar Zero Error
Bipolar Zero Drift
Positive Full-Scale Error
Full-Scale Drift
Gain Error
Gain Drift
Bipolar Negative Full-Scale Error
Bipolar Negative Full-Scale Drift
Input Common-Mode Rejection (CMR)
Normal-Mode 50 Hz Rejection
Normal-Mode 60 Hz Rejection
Common-Mode 50 Hz Rejection
Common-Mode 60 Hz Rejection
Absolute/Common-Mode REF IN Voltage
Absolute/Common-Mode AIN Voltage
Absolute/Common-Mode AIN Voltage
AIN DC Input Current
AIN Sampling Capacitance
AIN Differential Voltage Range
AIN Input Sampling Rate, f
Reference Input Range
REF IN Input Sampling Rate, f
Input Current
All Inputs Except MCLK IN
SCLK & DIN Only (Schmitt Triggered Input)
SCLK & DIN Only (Schmitt Triggered Input)
MCLK In Only
MCLK In Only
V
V
V
OL
OL
OH
REF IN(+) – REF IN(–) Voltage
REF IN(+) – REF IN(–) Voltage
V
V
V
V
V
V
V
V
V
V
V
V
, Output Low Voltage
, Output Low Voltage
INL
INH
T+
T–
T+
T+
T–
T+
INL
INH
INL
INH
, Output High Voltage
, Input Low Voltage
– V
– V
, Input Low Voltage
, Input Low Voltage
, Input High Voltage
, Input High Voltage
, Input High Voltage
3, 7
T–
T–
6
3, 5
DD
3
= 5 V; REF IN(–) = AGND; MCLK IN = 2.4576 MHz unless otherwise noted. All specifications T
3
8
4
8
S
8
8
10
S
3
8
8
2
8, 9
8, 9
8
8
Y Versions
24
22
18
15
12
See Tables I to IV
See Note 2
0.4
0.1
See Note 2
0.4
0.1
See Note 2
0.4
0.1
See Note 2
0.2
1
0.6
90
100
100
150
150
AGND to AV
AGND – 30 mV
AV
AGND + 50 mV
AV
1
7
0 to +V
GAIN f
f
1/1.75
1/3.5
f
0.8
0.4
2.4
2
1.4/3
0.8/1.4
0.4/0.8
1/2.5
0.4/1.1
0.375/0.8
0.8
3.5
0.4
2.5
0.4
0.4
4
CLK IN
CLK IN
0.001
0.0015
0.003
V
10
DD
DD
REF
/GAIN
+ 30 mV
– 1.5 V
/8
/64
REF
CLK IN
/GAIN
1
DD
/64
(AV
11
DD
Units
Bits min
Bits min
Bits min
Bits min
Bits min
% of FSR max
ppm of FSR/
% of FSR max
% of FSR max
dB min
dB min
dB min
dB min
dB min
V min to V max
V min
V max
V min
V max
nA max
pF max
nom
nom
V min/max
V min/max
V max
V max
V min
V min
V min/V max
V min/V max
V min/V max
V min/V max
V min/V max
V min/V max
V max
V min
V max
V min
V max
V max
V min
= DV
C typ
V/ C typ
V/ C typ
V/ C typ
V/ C typ
V/ C typ
V/ C typ
V/ C typ
V/ C typ
A max
–5–
DD
= +2.7 V to +3.3 V or 4.75 V to 5.25 V, REF IN(+) = +1.25 V; with AV
Conditions/Comments
Guaranteed by Design. For Filter Notches
For Filter Notch = 100 Hz
For Filter Notch = 250 Hz
For Filter Notch = 500 Hz
For Filter Notch = 1 kHz
Depends on Filter Cutoffs and Selected Gain
Filter Notches
For Gains of 1, 2, 4
For Gains of 8, 16, 32, 64, 128
For Gains of 1, 2, 4
For Gains of 8, 16, 32, 64, 128
For Gains of 1, 2, 4
For Gains of 8, 16, 32, 64, 128
AV
AV
For Gains of 1 to 4
For Gains of 8 to 128
Specifications for AIN and REF IN Unless Noted
At DC. Typically 102 dB.
For Filter Notches of 10 Hz, 25 Hz, 50 Hz, 0.02
For Filter Notches of 10 Hz, 30 Hz, 60 Hz, 0.02
For Filter Notches of 10 Hz, 25 Hz, 50 Hz, 0.02
For Filter Notches of 10 Hz, 30 Hz, 60 Hz, 0.02
BUF Bit of Setup Register = 0
BUF Bit of Setup Register = 1
Unipolar Input Range (B/U Bit of Filter High Register = 1)
Bipolar Input Range (B/U Bit of Filter High Register = 0)
For Gains of 1 to 4
For Gains of 8 to 128
AV
AV
DV
DV
DV
DV
DV
DV
DV
DV
I
I
I
SOURCE
SINK
SINK
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
= 800 A with DV
= 100 A with DV
= 5 V. Typically 0.0004%
= 3 V. Typically 0.0004%
= 2.7 V to 3.3 V. V
= 4.75 V to 5.25 V. V
= 5 V
= 3 V
= 5 V
= 3 V
= 5 V NOMINAL
= 3 V NOMINAL
= 5 V NOMINAL
= 3 V NOMINAL
= 200 A with DV
60 Hz.
DD
DD
REF
DD
= 5 V. Except for MCLK OUT
= 3 V. Except for MCLK OUT
REF
= 5 V. Except for MCLK OUT
= 1.25 1% for Specified Performance
MIN
= 2.5 1% for Specified Performance
to T
MAX
unless otherwise noted.)
60 Hz
f
f
f
f
NOTCH
NOTCH
NOTCH
NOTCH
AD7714
12
12
12
DD
= 3 V