AD7732BRU Analog Devices Inc, AD7732BRU Datasheet - Page 3

• Manufacturer Part Number: AD7732BRU
• Description: Analog/Digital Converter IC Number Of Bits:24
• Manufacturer: Analog Devices Inc

Specifications of AD7732BRU

• Interface Type: Serial
• Supply Voltage Max.: 5V
• Package/case: 24-TSSOP
• Leaded Process Compatible: No
• A/d, D/a Features: DSP, MicroWire, QSPI, SPI
• Adc Resolution: 24-Bit
• Rohs Status: RoHS non-compliant
• Number Of Bits: 24
• Sampling Rate (per Second): 15.4k
• Data Interface: DSP, MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Converters: 1
• Power Dissipation (max): 100mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 28-TSSOP (0.173", 4.40mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With: EVAL-AD7732EBZ - BOARD EVAL FOR AD7732
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AD7732—SPECIFICATIONS
Table 1. (–40°C to +105°C; AV
REFIN(–) = AGND; RA, RB, RC, RD open circuit; AIN Range = ±10 V; f
Parameter
ADC PERFORMANCE
CHOPPING ENABLED
ADC PERFORMANCE
CHOPPING DISABLED
ANALOG INPUTS
Conversion Time Rate
No Missing Codes
Output Noise
Resolution
Integral Nonlinearity (INL)
Integral Nonlinearity (INL)
Offset Error (Unipolar, Bipolar)
Offset Drift vs. Temperature
Gain Error
Gain Drift vs. Temperature
Positive Full-Scale Error
Positive Full-Scale Drift vs. Temp.
Bipolar Negative Full-Scale Error
Common-Mode Rejection
Power Supply Sensitivity
Channel-to-Channel Isolation
Conversion Time Rate
No Missing Codes
Output Noise
Resolution
Integral Nonlinearity (INL)
Offset Error (Unipolar, Bipolar)
Offset Drift vs. Temperature
Gain Error
Gain Drift vs. Temperature
Positive Full-Scale Error
Positive Full-Scale Drift vs. Temp.
Bipolar Negative Full-Scale Error
Common-Mode Rejection
Power Supply Sensitivity
Channel-to-Channel Isolation
Analog Input Differential Voltage
AIN Absolute Voltage
BIAS Voltage
RA, RB, RC, RD Voltage
AIN Impedance
AIN Pin Impedance
±10 V Range
0 V to +10 V Range
±5 V Range
0 V to +5 V Range
3
4
1
1, 9
1, 2
1, 2
1, 9
1, 2, 8
1
4
4
1, 2, 3
2, 3
2, 3
1
1
4
6
DD
5
5
1
7
= 5 V ± 5%; DV
Min
372
24
50
737
24
–16.5
0
–10.5
100
87.5
DD
Typ
Table 4
See Table 5
and Table 6
±0.0003
±0.0010
±0.0060
65
±4
100
See Table 7
See Table 8
and Table 9
±0.0015
±10
±25
±0.5
±5.3
±0.5
±4
±0.0060
55
±4
100
±10
0 to +10
±5
0 to +5
2.5
124
108.5
= 2.7 V to 3.6 V, or 5 V ± 5%; BIAS (all), REFIN(+) = 2.5 V;
See
Rev. 0 | Page 3 of 32
Max
12190
±0.0015
±0.0030
±10
±2.5
±0.7
±3.2
±0.7
±3
±10
15437
+16.5
AV
+20
DD
MCLKIN
= 6.144 MHz; unless otherwise noted.)
Unit
Hz
Bits
% of FSR
% of FSR
mV
µV/°C
%
ppm of FS/°C
% of FSR
ppm of FS/°C
% of FSR
dB
LSB
dB
Hz
Bits
% of FSR
mV
µV/°C
%
ppm of FS/°C
% of FSR
ppm of FS/°C
% of FSR
dB
LSB
dB
V
V
V
V
V
V
V
kΩ
kΩ
16
16
Configure via Conv. Time Register
Before Calibration
Before Calibration
Configure via Conv. Time Register
Before Calibration
Before Calibration
Test Conditions/Comments
FW ≥ 6 (Conversion Time ≥ 165 µs)
f
f
Before Calibration
After Calibration
At DC
At DC, AIN = 7 V, AV
At DC, Maximum ±16.5 V AIN Voltage
FW ≥ 8 (Conversion Time ≥ 117 µs)
Before Calibration
After Calibration
At DC
At DC, AIN = 7 V, AV
At DC, Maximum ±16.5 V AIN Voltage
MCLKIN
MCLKIN
= 2.5 MHz, V
= 6.144 MHz, V
CM
DD
DD
CM
= 0 V
= 5 V ± 5%
= 5 V ± 5%
= 0 V
AD7732