AD7719BR-REEL Analog Devices Inc, AD7719BR-REEL Datasheet - Page 4

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

Specifications of AD7719BR-REEL

• 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

AD7719
Parameter
AUXILIARY CHANNEL (continued)
ANALOG INPUTS
REFERENCE INPUT (REFIN2)
EXCITATION CURRENT SOURCES
LOW-SIDE POWER SWITCHES
TEMPERATURE SENSOR
TRANSDUCER BURNOUT
SYSTEM CALIBRATION
Offset Error
Offset Error Drift vs. Temperature
Full-Scale Error
Gain Drift vs. Temperature
Negative Full-Scale Error
Power Supply Rejection (PSR)
Differential Input Voltage Ranges
Absolute AIN Voltage Limits
Analog Input Current
Normal-Mode Rejection
Common-Mode Rejection
REFIN2 Voltage
REFIN2 Range
Reference DC Input Current
Reference DC Input Current Drift
(IEXC1 and IEXC2)
(SW1, SW2)
Accuracy
AIN(+) Current
AIN(–) Current
Initial Tolerance @ 25°C
Drift
Full-Scale Calibration Limit
Zero-Scale Calibration Limit
Input Span
DC Input Current
DC Input Current Drift
@ 50 Hz
@ 60 Hz
@ DC
@ 50 Hz
@ 60 Hz
Output Current
Initial Tolerance at 25°C
Drift
Initial Current Matching at 25°C
Drift Matching
Line Regulation (AV
Load Regulation
Output Compliance
R
Allowable Current
ON
2
2
3
2
6, 7
2
DD
2, 8
2, 9
)
4
2
4
AD7719B
±3
±10
±0.75
0.5
70
±REFIN2/2
AGND – 30 mV
AV
±125
100
100
85
90
90
1
AV
0.2
200
±10
200
±1
20
2.1
300
AVDD – 0.6
AGND – 30 mV
5
7
20
See TPC 5
–100
100
±15
0.03
1.05 × FS
–1.05 × FS
0.8 × FS
2.1 × FS
±1
±REFIN2
±2
2.5
0.003
DD
DD
+ 30 mV
10
–4–
Unit
µV typ
nV/°C typ
LSB typ
ppm/°C typ
LSB typ
dB min
V nom
V nom
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
µA/V typ
nA/V/°C typ
µA nom
% typ
ppm/°C typ
% typ
ppm/°C typ
µA/V max
nA/V typ
V max
V min
Ω max
Ω max
mA max
°C typ
nA typ
nA typ
% typ
%/°C typ
V max
V min
V min
V max
Test Conditions
Selected Channel = AIN5/AIN6
AIN = 1 V Input Range = ±2.5 V, Typically 80 dB
ARN = 1
ARN = 0
Unbuffered Input
Input Current Varies with Input Voltage
50 Hz ±1 Hz, SF = 82
60 Hz ±1 Hz, SF = 68
Input Range = ±2.5 V, AIN = 1 V
50 Hz ±1 Hz, Range = 2.5 V, AIN = 1 V
60 Hz ±1 Hz, Range = 2.5 V, AIN = 1 V
With Respect to AGND
Matching between IEXC1 and IEXC2
No Load
AV
AV
AV
Continuous Current per Switch
DD
DD
DD
= 5 V ± 5%. Typically 1.25 µA/V
= 5 V. Typically 3 Ω
= 3 V. Typically 4.5 Ω
REV. A