AD7782BRUZ Analog Devices Inc, AD7782BRUZ Datasheet - Page 2

• Manufacturer Part Number: AD7782BRUZ
• Description: IC ADC 24BIT 2CHAN 16TSSOP
• Manufacturer: Analog Devices Inc

Specifications of AD7782BRUZ

• Data Interface: DSP, MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Bits: 24
• Sampling Rate (per Second): 19.79
• Number Of Converters: 1
• Power Dissipation (max): 3.9mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP (0.173", 4.40mm Width)
• Resolution (bits): 24bit
• Input Channel Type: Differential
• Supply Voltage Range - Analogue: 2.7V To 3.6V, 4.75V To 5.25V
• Supply Current: 1.7mA
• No. Of Pins: 16
• Sampling Rate: 4.2MHz
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD7782–SPECIFICATIONS
Parameter
ADC CHANNEL SPECIFICATION
ADC CHANNEL
ANALOG INPUTS
REFERENCE INPUT
LOGIC INPUTS
Output Update Rate
No Missing Codes
Resolution
Output Noise
Integral Nonlinearity
Offset Error
Offset Error Drift vs. Temperature
Full-Scale Error
Gain Drift vs. Temperature
Power Supply Rejection (PSR)
Differential Input Voltage Ranges
ADC Range Matching
Absolute AIN Voltage Limits
Analog Input Current
Normal-Mode Rejection
Common-Mode Rejection
REFIN Voltage
REFIN Voltage Range
Absolute REFIN Voltage Limits
Average Reference Input Current
Average Reference Input Current Drift
Normal-Mode Rejection
Common-Mode Rejection
All Inputs Except SCLK and XTAL1
SCLK Only (Schmitt-Triggered Input)
DC Input Current
DC Input Current Drift
@ 50 Hz
@ 60 Hz
@ DC
@ 50 Hz
@ 60 Hz
@ 50 Hz
@ 60 Hz
@ DC
@ 50 Hz
@ 60 Hz
V
V
V
V
V
V
V
V
INL
INH
T(+)
T(–)
T(+)
T(+)
T(–)
T(+)
, Input Low Voltage
, Input High Voltage
– V
– V
2
2
T(–)
T(–)
2
2
2
2, 3
2, 3
2
2
2
AD7782B
19.79
24
16
18
See Table I
± 10
± 3
± 10
± 10
± 0.5
100
85
± 160
± 2.56
± 2
GND + 100 mV
V
± 1
± 5
60
94
105
100
100
2.5
1
V
GND – 30 mV
V
0.5
± 0.01
60
94
100
110
110
0.8
0.4
2.0
1.4/2
0.8/1.4
0.3/0.85
0.95/2
0.4/1.1
0.3/0.85
DD
DD
DD
– 100 mV
+ 30 mV
(V
XTAL1/XTAL2 = 32.768 kHz Crystal; all specifications T
DD
= 2.7 V to 3.6 V or 4.75 V to 5.25 V, REFIN(+) = 2.5 V; REFIN(–) = GND; GND = 0 V;
Unit
Hz nom
Bits min
Bits p-p
Bits p-p
ppm of FSR max
µV typ
nV/°C typ
µV typ
ppm/°C typ
dB typ
dB typ
mV nom
V nom
µV typ
V min
V max
nA max
pA /°C typ
dB min
dB min
dB min
dB min
dB min
V nom
V min
V max
V min
V max
µA/V typ
nA/V/°C typ
dB min
dB min
dB typ
dB typ
dB typ
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
Test Conditions
± 160 mV Range, RANGE = 0
± 2.56 V Range, RANGE = 1
Typically 2 ppm
AIN(+) = AIN(–) = 2.5 V
V
Input Range = ± 160 mV, V
Input Range = ± 2.56 V, V
RANGE = 0
RANGE = 1
Input Voltage = 159 mV on Both Ranges
50 Hz ± 1 Hz
60 Hz ± 1 Hz
Input Range = ± 160 mV, V
125 dB typ, 110 dB typ when Input Range = ± 2.56 V
50 Hz ± 1 Hz
60 Hz ± 1 Hz
REFIN = REFIN(+) – REFIN(–)
50 Hz ± 1 Hz
60 Hz ± 1 Hz
Input Range = ± 160 mV, V
50 Hz ± 1 Hz
60 Hz ± 1 Hz
V
V
V
V
V
V
V
V
V
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
= 3 V
= 5 V
= 3 V
= 3 V or 5 V
= 5 V
= 5 V
= 5 V
= 3 V
= 3 V
= 3 V
FSR
MIN
=
to T
2 1 024
×
IN
MAX
IN
IN
IN
= 1 V
.
= 1/16 V
= 1/16 V
= 1/16 V
Gain
unless otherwise noted.)
REFIN