AD7714
=
+2.7 V to
= +1.25 V; with
AD7714Y–SPECIFICATIONS
(AVMHz DV = otherwise+3.3 V or 4.75 V to 5.25 V,T REFtoIN(+)unless otherwiseAV = 3 V
and +2.5 V with AV = 5 V; REF IN(–) = AGND; MCLK IN = 2.4576
unless
noted. All specifications
T
noted.)
DD
DD
DD
DD
MIN
MAX
Parameter
STATIC PERFORMANCE
No Missing Codes
Y Versions
1
24
22
18
15
12
See Tables I to IV
±
0.001
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
±
0.0015
±
0.003
1
0.6
90
100
100
150
150
AGND to AV
DD
AGND – 30 mV
AV
DD
+ 30 mV
AGND + 50 mV
AV
DD
– 1.5 V
1
7
0 to +V
REF
/GAIN
11
±
V
REF
/GAIN
GAIN
×
f
CLK IN
/64
f
CLK IN
/8
1/1.75
1/3.5
f
CLK IN
/64
±
10
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
Units
Bits min
Bits min
Bits min
Bits min
Bits min
% of FSR max
µV/°C
typ
µV/°C
typ
µV/°C
typ
µV/°C
typ
µV/°C
typ
µV/°C
typ
ppm of FSR/
°C
typ
% of FSR max
% of FSR max
µV/°C
typ
µV/°C
typ
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
Conditions/Comments
Guaranteed by Design. For Filter Notches
≤
60 Hz
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
≤
60 Hz.
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
Output Noise
Integral Nonlinearity
Unipolar Offset Error
Unipolar Offset Drift
3
Bipolar Zero Error
Bipolar Zero Drift
3
Positive Full-Scale Error
4
Full-Scale Drift
3, 5
Gain Error
6
Gain Drift
3, 7
Bipolar Negative Full-Scale Error
2
Bipolar Negative Full-Scale Drift
3
ANALOG INPUTS/REFERENCE INPUTS
Input Common-Mode Rejection (CMR)
8
Normal-Mode 50 Hz Rejection
8
Normal-Mode 60 Hz Rejection
8
Common-Mode 50 Hz Rejection
8
Common-Mode 60 Hz Rejection
8
Absolute/Common-Mode REF IN Voltage
8
Absolute/Common-Mode AIN Voltage
8, 9
Absolute/Common-Mode AIN Voltage
8, 9
AIN DC Input Current
8
AIN Sampling Capacitance
8
AIN Differential Voltage Range
10
AIN Input Sampling Rate, f
S
Reference Input Range
REF IN(+) – REF IN(–) Voltage
REF IN(+) – REF IN(–) Voltage
REF IN Input Sampling Rate, f
S
LOGIC INPUTS
Input Current
All Inputs Except MCLK IN
V
INL
, Input Low Voltage
V
INH
, Input High Voltage
SCLK & DIN Only (Schmitt Triggered Input)
V
T+
V
T–
V
T+
– V
T–
SCLK & DIN Only (Schmitt Triggered Input)
V
T+
V
T–
V
T+
– V
T–
MCLK In Only
V
INL
, Input Low Voltage
V
INH
, Input High Voltage
MCLK In Only
V
INL
, Input Low Voltage
V
INH
, Input High Voltage
LOGIC OUTPUTS (Including MCLK OUT)
V
OL
, Output Low Voltage
V
OL
, Output Low Voltage
V
OH
, Output High Voltage
AV
DD
= 5 V. Typically
±
0.0004%
AV
DD
= 3 V. Typically
±
0.0004%
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
f
NOTCH
f
NOTCH
f
NOTCH
f
NOTCH
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
DD
= 2.7 V to 3.3 V. V
REF
= 1.25
±
1% for Specified Performance
AV
DD
= 4.75 V to 5.25 V. V
REF
= 2.5
±
1% for Specified Performance
V min/max
V min/max
µA
max
V max
V max
V min
V min
V min/V max
V min/V max
V min/V max
DV
DD
= 3 V NOMINAL
V min/V max
V min/V max
V min/V max
DV
DD
= 5 V NOMINAL
V max
V min
DV
DD
= 3 V NOMINAL
V max
V min
V max
V max
V min
I
SINK
= 800
µA
with DV
DD
= 5 V. Except for MCLK OUT
12
I
SINK
= 100
µA
with DV
DD
= 3 V. Except for MCLK OUT
12
I
SOURCE
= 200
µA
with DV
DD
= 5 V. Except for MCLK OUT
12
DV
DD
DV
DD
DV
DD
DV
DD
DV
DD
=5V
=3V
=5V
=3V
= 5 V NOMINAL
REV. C
–5–
AD [ ANALOG DEVICES ]
