AD7731BRZ Analog Devices Inc, AD7731BRZ Datasheet - Page 3

• Manufacturer Part Number: AD7731BRZ
• Description: IC ADC 24BIT SIGMA-DELTA 24-SOIC
• Manufacturer: Analog Devices Inc

Specifications of AD7731BRZ

• Data Interface: DSP, Serial, SPI™
• Number Of Bits: 24
• Sampling Rate (per Second): 6.4k
• Number Of Converters: 1
• Power Dissipation (max): 125mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-SOIC (0.300", 7.50mm Width)
• Resolution (bits): 24bit
• Sampling Rate: 5MSPS
• Input Channel Type: Differential
• Supply Voltage Range - Analog: 4.75V To 5.25V
• Supply Voltage Range - Digital: 2.7V To 5.25V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-AD7731EBZ - BOARD EVALUATION FOR AD7731
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

REV. A
Parameter
LOGIC INPUTS
LOGIC OUTPUTS (Including MCLK OUT)
TRANSDUCER BURNOUT
SYSTEM CALIBRATION
POWER REQUIREMENTS
REV. 0
Reference Input
Input Current
All Inputs Except SCLK and MCLK IN
SCLK Only (Schmitt Triggered Input)
MCLK IN Only
V
V
V
V
Floating State Leakage Current
Floating State Output Capacitance
AIN1(+) Current
AIN1(–) Current
Initial Tolerance @ 25 C
Drift
Positive Full-Scale Calibration Limit
Negative Full-Scale Calibration Limit
Offset Calibration Limit
Input Span
Power Supply Voltages
Power Supply Currents
Power Dissipation
OL
OL
OH
OH
Absolute/Common-Mode Voltage
REF IN(+) – REF IN (–) Voltage
REF IN(+) – REF IN (–) Voltage
Reference DC Input Current
Reference DC Input Current
Absolute/Common-Mode Voltage
NO REF Trigger Voltage
V
V
V
V
V
V
V
V
V
V
V
V
V
AV
DV
AV
DV
DV
AV
Normal Mode
Standby Mode
, Output Low Voltage
, Output Low Voltage
INL
INL
INH
T+
T+
T–
T–
T+
T+
INL
INL
INH
INH
, Output High Voltage
, Output High Voltage
DD
DD
DD
DD
DD
DD
– V
– V
, Input Low Voltage
, Input Low Voltage
, Input Low Voltage
, Input Low Voltage
, Input High Voltage
, Input High Voltage
, Input High Voltage
– AGND Voltage
Current (Normal Mode)
+ DV
Voltage
Current (Normal Mode)
Current (Normal Mode)
T–
T–
19
DD
Current (Standby Mode)
19
17
3
13
14
18
18
B Version
AGND + 1.2 V
AV
+2.5
+5
5.5
10
AGND – 30 mV
AV
0.3
0.65
0.8
0.4
2.0
1.4/3
0.95/2.5
0.8/1.4
0.4/1.1
0.4/0.85
0.4/0.8
0.8
0.4
3.5
2.5
0.4
0.4
4.0
DV
6
–100
100
0.1
1.05
–1.05
–1.05
0.8
2.1
+5
+2.7 to +5.25
10.3
1.7
3.2
25
67.5
125
10
10
10
DD
DD
DD
FS
FS
– 0.95 V
+ 30 mV
– 0.6 V
FS
FS
FS
1
–3–
Units
V min
V max
V nom
V nom
V min
V max
V min
V max
V max
V max
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 max
V min
V min
V max
V max
V min
V min
pF typ
nA nom
nA nom
% typ
%/ C typ
V max
V max
V min
V min
V max
V nom
V min to V max
mA max
mA max
mA max
mW max
A max
A max
A max
A max
A max
W max
Conditions/Comments
HIREF Bit of Mode Register = 0
HIREF Bit of Mode Register = 1
HIREF Bit of Mode Register = 0
HIREF Bit of Mode Register = 1
NO REF Bit Active If VREF Below This Voltage
NO REF Bit Inactive If VREF Above This Voltage
DV
DV
DV
DV
DV
DV
DV
DV
DV
DV
DV
DV
I
V
I
V
I
V
I
V
FS Is the Nominal Full-Scale Voltage (20 mV,
40 mV, 80 mV, 160 mV, 320 mV, 640 mV, 1.28 V)
With AGND = 0 V
External MCLK. Digital I/Ps = 0 V or DV
DV
DV
Typically 10 A. External MCLK IN = 0 V or DV
AV
Typically 50 W. External MCLK IN = 0 V or DV
SINK
SINK
SOURCE
SOURCE
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
16
16
16
16
= 800 A Except for MCLK OUT
= 100 A Except for MCLK OUT
= DV
= +5 V
= +3 V
= +5 V
= +3 V
= +5 V
= +3 V
= +5 V
= +3 V
= +5 V
= +3 V
= +5 V
= +3 V
= +5 V
= +3 V
= +5 V
= +3 V
of 2.7 V to 3.3 V
of 4.75 V to 5.25 V
= 200 A Except for MCLK OUT
= 100 A Except for MCLK OUT
DD
= +5 V. Digital I/Ps = 0 V or DV
AD7731
15
15
.
.
DD
15
15
.
.
DD
DD
DD