AD7715AR-3 Analog Devices Inc, AD7715AR-3 Datasheet - Page 3

• Manufacturer Part Number: AD7715AR-3
• Description: A/D Converter (A-D) IC
• Manufacturer: Analog Devices Inc

Specifications of AD7715AR-3

• No. Of Bits: 16 Bit
• Mounting Type: Surface Mount
• Features: 3V, 16?Bit Sigma?Delta ADC W/PGA
• No. Of Channels: 1
• Interface Type: Serial
• Package / Case: 16-SOIC
• Rohs Status: RoHS non-compliant
• Number Of Bits: 16
• Sampling Rate (per Second): 500
• Data Interface: DSP, MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Converters: 1
• Power Dissipation (max): 9.5mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• For Use With: EVAL-AD7715-3EBZ - BOARD EVALUATION FOR AD7715

SPECIFICATIONS
AD7715-5
AV
T
Table 1.
Parameter
STATIC PERFORMANCE
ANALOG INPUTS/REFERENCE INPUTS
LOGIC INPUTS
MIN
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 Current
All Inputs Except MCLK IN
MCLK IN Only
DD
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
Common-Mode Voltage Range
Absolute AIN/REF IN Voltage
Absolute/Common-Mode AIN
Voltage
AIN DC Input Current
AIN Sampling Capacitance
AIN Differential Voltage Range
AIN Input Sampling Rate, f
REF IN(+) − REF IN(−) Voltage
REF IN Input Sampling Rate, f
V
V
V
V
V
V
V
V
to T
INL
INL
INH
INH
INL
INL
INH
INH
= 5 V, DV
, Input Low Voltage
, Input Low Voltage
, Input Low Voltage
, Input Low Voltage
, Input High Voltage
, Input High Voltage
, Input High Voltage
, Input High Voltage
MAX
9
1
3
2
, 7
, 6
, unless otherwise noted.
3
DD
, 5
3
2
= 3 V or 5 V, REF IN(+) = 2.5 V; REF IN(−) = AGND; f
3
2
8
2
, 4
S
8
8
S
8
8
3
2
10
9
8
8
16
Min
90
98
98
150
150
AGND
AGND – 0.03
AGND + 0.05
2.4
2.0
3.5
2.5
See
See
See
See
See
Table 15
Table 15
Table 15
Table 15
Table 15
Typ
0.5
0.5
0.5
0.5
1
0.6
0 to +V
±V
GAIN × f
f
2.5
f
CLK IN
CLK IN
REF
/8
/64
/GAIN
REF
CLK IN
to
to
to
to
to
/GAIN
Table 18
Table 22
Table 22
Table 22
Table 22
/64
Rev. D | Page 3 of 40
11
Max
±0.0015
±0.0015
AV
AV
1
10
±10
0.8
0.4
0.8
0.4
AV
DD
DD
DD
+ 0.03
− 1.5
CLK IN
= 2.4576 MHz, unless otherwise noted. All specifications
Unit
Bits
% of FSR
μV/°C
μV/°C
μV/°C
ppm of
FSR/°C
% of FSR
μV/°C
μV/°C
dB
dB
dB
dB
dB
V
V
V
nA
pF
nom
nom
V nom
μA
V
V
V
V
V
V
V
V
Conditions/Comments
Guaranteed by design; filter notch ≤ 60 Hz
Depends on filter cutoffs and selected gain
Filter notch ≤ 60 Hz
Typically ±0.0004%
For gains of 1 and 2
For gains of 32 and 128
Specifications for AIN and REF IN unless noted
At dc; typically 102 dB
For filter notches of 25 Hz, 50 Hz, ±0.02 × f
For filter notches of 20 Hz, 60 Hz, ±0.02 × f
For filter notches of 25 Hz, 50 Hz, ±0.02 × f
For filter notches of 20 Hz, 60 Hz, ±0.02 × f
AIN for the BUF bit of setup register = 0 and REF IN
AIN for the BUF bit of setup register = 0 and REF IN
BUF bit of setup register = 1
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 V
DV
DV
DV
DV
DV
DV
DV
DD
DD
DD
DD
DD
DD
DD
= 5 V
= 3.3 V
= 5 V
= 5 V
= 3.3 V
= 5 V
= 3.3 V
REF
AD7715
NOTCH
NOTCH
NOTCH
NOTCH