AD7730LBRU Analog Devices Inc, AD7730LBRU Datasheet - Page 2

• Manufacturer Part Number: AD7730LBRU
• Description: IC ADC TRANSDUCER BRIDGE 24TSSOP
• Manufacturer: Analog Devices Inc

Specifications of AD7730LBRU

• Rohs Status: RoHS non-compliant
• Number Of Bits: 24
• Sampling Rate (per Second): 600
• Data Interface: DSP, Serial, SPI™
• 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-TSSOP (0.173", 4.40mm Width)
• For Use With: EVAL-AD7730LEBZ - BOARD EVALUATION FOR AD7730EVAL-AD7730EBZ - BOARD EVAL FOR AD7730

AD7730–SPECIFICATIONS
Parameter
STATIC PERFORMANCE (CHP = 1)
STATIC PERFORMANCE (CHP = 0)
ANALOG INPUTS/REFERENCE INPUTS
No Missing Codes
Output Noise and Update Rates
Integral Nonlinearity
Offset Error
Offset Drift vs. Temperature
Offset Drift vs. Time
Positive Full-Scale Error
Positive Full-Scale Drift vs Temp
Positive Full-Scale Drift vs Time
Gain Error
Gain Drift vs. Temperature
Gain Drift vs. Time
Bipolar Negative Full-Scale Error
Negative Full-Scale Drift vs. Temp
Power Supply Rejection
Common-Mode Rejection (CMR)
Analog Input DC Bias Current
Analog Input DC Bias Current Drift
Analog Input DC Offset Current
Analog Input DC Offset Current Drift
No Missing Codes
Output Noise and Update Rates
Integral Nonlinearity
Offset Error
Offset Drift vs. Temperature
Offset Drift vs. Time
Positive Full-Scale Error
Positive Full-Scale Drift vs. Temp
Positive Full-Scale Drift vs. Time
Gain Error
Gain Drift vs. Temperature
Gain Drift vs. Time
Bipolar Negative Full-Scale Error
Negative Full-Scale Drift vs. Temp
Power Supply Rejection
Common-Mode Rejection (CMR) on AIN 100
CMR on REF IN
Analog Input DC Bias Current
Analog Input DC Bias Current Drift
Analog Input DC Offset Current
Analog Input DC Offset Current Drift
Normal-Mode 50 Hz Rejection
Normal-Mode 60 Hz Rejection
Common-Mode 50 Hz Rejection
Common-Mode 60 Hz Rejection
Analog Inputs
Reference Input
Differential Input Voltage Ranges
Absolute/Common-Mode Voltage
REF IN(+) – REF IN(–) Voltage
REF IN(+) – REF IN(–) Voltage
Absolute/Common-Mode Voltage
NO REF Trigger Voltage
2, 8
8
2
2
4
4
4
4
2, 5
5
2, 6, 9
6, 9
2
6
2
2
2
2
4
2
2
2
2, 6, 7
2
4
6, 7
2, 6
11
12
13
2
2
2
B Version
24
See Tables I & II
18
See Note 3
5
25
See Note 3
2
10
See Note 3
2
10
See Note 3
2
120
120
50
100
10
50
24
See Tables III & IV
18
See Note 3
0.5
2.5
See Note 3
0.6
3
See Note 3
2
10
See Note 3
90
60
150
88
88
120
120
0 to +10 or 10
0 to +20 or 20
0 to +40 or 40
AGND + 1.2 V
AV
+2.5
+5
AGND – 30 mV
AV
0.3
0.65
0.6
120
30
100
0 to +80 or 80
DD
DD
– 0.95 V
+ 30 mV
1
(AV
0 V; f
DD
CLK IN
= +5 V, DV
Units
Bits min
ppm of FSR max
nV/ C typ
nV/1000 Hours typ
ppm of FS/ C max
ppm of FS/1000 Hours typ
ppm/ C max
ppm/1000 Hours typ
ppm of FS/ C max
dB typ
dB min
nA max
pA/ C typ
nA max
pA/ C typ
Bits min
ppm of FSR max
ppm/ C typ
ppm/1000 Hours typ
dB typ
dB typ
dB typ
nA max
pA/ C typ
nA max
pA/ C typ
dB min
dB min
dB min
dB min
mV nom
mV nom
mV nom
mV nom
V min
V max
V nom
V nom
V min
V max
V min
V max
V/ C typ
V/1000 Hours typ
V/ C typ
V/1000 Hours typ
V/ C typ
= 4.9152 MHz. All specifications T
–2–
DD
= +3 V or +5 V; REF IN(+) = AV
Conditions/Comments
Offset Error and Offset Drift Refer to Both
Unipolar Offset and Bipolar Zero Errors
Measured with Zero Differential Voltage
At DC. Measured with Zero Differential Voltage
SKIP = 0
Offset Error and Offset Drift Refer to Both
Unipolar Offset and Bipolar Zero Errors
Measured with Zero Differential Voltage
At DC. Measured with Zero Differential Voltage
At DC. Measured with Zero Differential Voltage
From 49 Hz to 51 Hz
From 59 Hz to 61 Hz
From 49 Hz to 51 Hz
From 59 Hz to 61 Hz
Assuming 2.5 V or 5 V Reference with
HIREF Bit Set Appropriately
Gain = 250
Gain = 125
Gain = 62.5
Gain = 31.25
HIREF Bit of Mode Register = 0
HIREF Bit of Mode Register = 1
NO REF Bit Active If V
NO REF Bit Inactive If V
MIN
10
to T
DD
MAX
; REF IN(–) = AGND = DGND =
unless otherwise noted.)
REF
REF
Below This Voltage
Above This Voltage
REV. A