AD7719BR-REEL7 Analog Devices Inc, AD7719BR-REEL7 Datasheet - Page 3

• Manufacturer Part Number: AD7719BR-REEL7
• Description: IC ADC 16BIT 24BIT DUAL 28-SOIC
• Manufacturer: Analog Devices Inc

Specifications of AD7719BR-REEL7

• Rohs Status: RoHS non-compliant
• Number Of Bits: 16/24
• Sampling Rate (per Second): 105
• Data Interface: DSP, MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Converters: 2
• Power Dissipation (max): 4.5mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-SOIC (0.300", 7.50mm Width)
• For Use With: EVAL-AD7719EB - BOARD EVAL FOR AD7719

REFIN(+) = 2.5 V; REFIN(–) = AGND; AGND = DGND = 0 V; XTAL1/XTAL2 = 32.768 kHz Crystal; all specifications T
AD7719
REV. A
Parameter
ADC CHANNEL SPECIFICATION
MAIN CHANNEL
ANALOG INPUTS
REFERENCE INPUT (REFIN1)
AUXILIARY CHANNEL
Output Update Rate
No Missing Codes
Resolution
Output Noise and Update Rates
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
Absolute AIN Voltage Limits
Analog Input Current
Normal-Mode Rejection
Common-Mode Rejection
REFIN1 Voltage
REFIN1 Voltage Range
REFIN1 Common-Mode Range
Reference DC Input Current
Reference DC Input Current Drift
Normal-Mode Rejection
Common-Mode Rejection
Reference Detect Levels
No Missing Codes
Resolution
Output Noise and Update Rates
Integral Nonlinearity
DC Input Current
DC Input Current Drift
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
2
2
3
–SPECIFICATIONS
5, 6, 7
2
2
2
2
2, 8
2, 8
4
4
AD7719B
5.4
105
24
13
18
See Tables II to V
±10
±3
±10
±10
±0.5
80
±1.024 × REFIN1/GAIN
±2
AGND + 100 mV
AV
±1
±5
AGND – 30 mV
AV
±125
±2
100
100
90
100
100
2.5
1
AV
AGND – 30 mV
AV
0.5
±0.01
100
100
110
110
110
0.3
0.65
16
16
See Tables VI and VIII
±15
DD
DD
DD
DD
– 100 mV
+ 30 mV
+ 30 mV
1
(AV
DD
= 2.7 V to 3.6 V or 4.75 V to 5.25 V, DV
–3–
Unit
Hz min
Hz max
Bits min
Bits p-p
Bits p-p
ppm of FSR max
µV typ
nV/°C typ
µV typ
ppm/°C typ
dB min
V nom
µV typ
V min
V max
nA max
pA /°C typ
V min
V max
nA/V typ
pA/V/°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 min
V max
Bits min
Bits p-p
ppm of FSR max
Test Conditions
Both Channels Synchronized
0.732 ms Increments
20 Hz Update Rate
±20 mV Range, 20 Hz Update Rate
±2.56 V Range, 20 Hz Update Rate
Typically 2 ppm.
At the Calibrated Conditions
Input Range = ±2.56 V, 100 dB typ.
110 dB typ on ±20 mV Range
REFIN1 = REFIN1(+) – REFIN1(–)
GAIN = 1 to 128.
Input Voltage = 19 mV on All Ranges
BUF = 0; Buffered Mode of Operation
BUF = 0
BUF = 1; Unbuffered mode of operation.
BUF = 1. Unbuffered Mode of Operation.
Input Current Varies with Input Voltage
50 Hz ± 1 Hz, 16.65 Hz Update Rate, SF = 82
60 Hz ± 1 Hz, 20 Hz Update Rate, SF = 68
Input Range = ±2.56 V, AIN = 1 V.
100 dB typ. 110 dB typ on ±20 mV Range
50 Hz ± 1 Hz, Range = ±2.56 V, AIN = 1 V
60 Hz ± 1 Hz, Range = ±2.56 V, AIN = 1 V
REFIN1 = REFIN1(+) – REFIN1(–)
50 Hz ± 1 Hz, SF = 82
60 Hz ± 1 Hz, SF = 68
Input Range = ±2.56 V, AIN = 1 V
50 Hz ± 1 Hz, Range = 2.56 V, AIN = 1 V
60 Hz ± 1 Hz, Range = 2.56 V, AIN = 1 V
NOXREF Bit Active if VREF < 0.3 V
NOXREF Bit Inactive if VREF > 0.65 V
±2.5 V Range, 20 Hz Update Rate
DD
= 2.7 V to 3.6 V or 4.75 V to 5.25 V,
MIN
to T
MAX
FSR
, unless otherwise noted.)
=
2 1 024
×
.
Gain
REFIN
1