(AVDD = +5 V, DVDD = +3 V or +5 V, REF IN(+) = +2.5 V; REF IN(–) = AGND;
fCLK IN = 2.4576 MHz unless otherwise noted. All specifications TMIN to TMAX unless otherwise noted.)
AD7715-5–SPECIFICATIONS
Parameter
A Version1
Unit
Conditions/Comments
STATIC PERFORMANCE
No Missing Codes
16
Bits min
Guaranteed by Design. Filter Notch ≤ 60 Hz
Depends on Filter Cutoffs and Selected Gain
Filter Notch ≤ 60 Hz
Output Noise
See Tables V to VIII
Integral Nonlinearity
Unipolar Offset Error
Unipolar Offset Drift3
Bipolar Zero Error
±0.0015
See Note 2
0.5
See Note 2
0.5
See Note 2
0.5
See Note 2
0.5
% of FSR max
µV/°C typ
µV/°C typ
µV/°C typ
Bipolar Zero Drift3
Positive Full-Scale Error4
Full-Scale Drift3, 5
Gain Error6
Gain Drift3, 7
ppm of FSR/°C typ
% of FSR max
µV/°C typ
Bipolar Negative Full-Scale Error2
Bipolar Negative Full-Scale Drift3
±0.0015
1
0.6
Typically ±0.0004%
For Gains of 1 and 2
For Gains of 32 and 128
µV/°C typ
ANALOG INPUTS/REFERENCE INPUTS
Input Common-Mode Rejection (CMR)
Normal-Mode 50 Hz Rejection8
Normal-Mode 60 Hz Rejection8
Common-Mode 50 Hz Rejection8
Common-Mode 60 Hz Rejection8
Common-Mode Voltage Range9
Absolute AIN/REF IN Voltage8
Specifications for AIN and REF IN Unless Noted
at DC. Typically 102 dB
90
98
98
150
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
For Filter Notches of 25 Hz, 50 Hz, ± 0.02 × fNOTCH
For Filter Notches of 20 Hz, 60 Hz, ± 0.02 × fNOTCH
For Filter Notches of 25 Hz, 50 Hz, ± 0.02 × fNOTCH
For Filter Notches of 20 Hz, 60 Hz, ± 0.02 × fNOTCH
AIN for BUF Bit of Setup Register = 0 and REF IN
AIN for BUF Bit of Setup Register = 0 and REF IN
150
AGND to AVDD
AGND – 30 mV
AVDD + 30 mV
AGND + 50 mV
AVDD – 1.5 V
1
Absolute/Common-Mode AIN Voltage9
BUF Bit of Setup Register = 1
AIN DC Input Current8
AIN Sampling Capacitance8
AIN Differential Voltage Range10
10
0 to +VREF/GAIN11 nom
Unipolar Input Range (B/U Bit of Setup Register = 1)
Bipolar Input Range (B/U Bit of Setup Register = 0)
For Gains of 1 and 2
For Gains of 32 and 128
±1% for Specified Performance. Functional with
Lower VREF
±VREF/GAIN
GAIN × fCLK IN/64
nom
AIN Input Sampling Rate, fS
REF IN(+) – REF IN(–) Voltage
REF IN Input Sampling Rate, fS
f
CLK IN/8
+2.5
V nom
fCLK IN/64
LOGIC INPUTS
Input Current
±10
µA max
All Inputs Except MCLK IN
V
V
V
V
INL, Input Low Voltage
INL, Input Low Voltage
INH, Input High Voltage
INH, Input High Voltage
0.8
0.4
2.4
2.0
V max
V max
V min
V min
DVDD = +5 V
DVDD = +3.3 V
DVDD = +5 V
MCLK IN Only
V
V
V
INL, Input Low Voltage
INL, Input Low Voltage
INH, Input High Voltage
0.8
0.4
3.5
2.5
V max
V max
V min
V min
DVDD = +5 V
DVDD = +3.3 V
DVDD = +5 V
DVDD = +3.3 V
VINH, Input High Voltage
LOGIC OUTPUTS (Including MCLK OUT)
VOL, Output Low Voltage
0.4
0.4
4.0
V max
V max
V min
V min
µA max
pF typ
ISINK = 800 µA Except for MCLK OUT12. DVDD = +5 V
ISINK = 100 µA Except for MCLK OUT12. DVDD = +3.3 V
ISOURCE = 200 µA Except for MCLK OUT12. DVDD = +5 V
ISOURCE = 100 µA Except for MCLK OUT12. DVDD = +3.3 V
V
V
V
OL, Output Low Voltage
OH, Output High Voltage
OH, Output High Voltage
DVDD – 0.6 V
±10
9
Binary
Offset Binary
Floating State Leakage Current
Floating State Output Capacitance13
Data Output Coding
Unipolar Mode
Bipolar Mode
–2–
REV. C
ADI [ ADI ]
