AD7798BRUZ Analog Devices Inc, AD7798BRUZ Datasheet - Page 3
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AD7798BRUZ
Manufacturer Part Number
AD7798BRUZ
Description
IC ADC 16BIT SIG-DEL 3CH 16TSSOP
Manufacturer
Analog Devices Inc
Datasheet
1.AD7798BRUZ.pdf
(28 pages)
Specifications of AD7798BRUZ
Data Interface
DSP, MICROWIRE™, QSPI™, Serial, SPI™
Number Of Bits
16
Sampling Rate (per Second)
470
Number Of Converters
1
Power Dissipation (max)
2mW
Voltage Supply Source
Analog and Digital
Operating Temperature
-40°C ~ 105°C
Mounting Type
Surface Mount
Package / Case
16-TSSOP (0.173", 4.40mm Width)
Resolution (bits)
16bit
Sampling Rate
470SPS
Input Channel Type
Single Ended
Supply Voltage Range - Analog
2.7V To 5.25V
Supply Voltage Range - Digital
2.7V To 5.25V
Number Of Elements
1
Resolution
16Bit
Architecture
Delta-Sigma
Sample Rate
0.47KSPS
Input Polarity
Bipolar
Input Type
Voltage
Rated Input Volt
±2.5V
Differential Input
Yes
Power Supply Requirement
Single
Single Supply Voltage (typ)
3.3/5V
Single Supply Voltage (min)
2.7V
Single Supply Voltage (max)
5.25V
Dual Supply Voltage (typ)
Not RequiredV
Dual Supply Voltage (min)
Not RequiredV
Dual Supply Voltage (max)
Not RequiredV
Power Dissipation
2mW
Integral Nonlinearity Error
±15ppm of FSR
Operating Temp Range
-40C to 105C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
16
Package Type
TSSOP
Input Signal Type
Differential
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
EVAL-AD7798EB - BOARD EVALUATION FOR AD7798
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AD7798BRUZ
Manufacturer:
ADI
Quantity:
2 730
Company:
Part Number:
AD7798BRUZ
Manufacturer:
ADI
Quantity:
1 000
Part Number:
AD7798BRUZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Company:
Part Number:
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Manufacturer:
ADI
Quantity:
1 000
Part Number:
AD7798BRUZ-REEL
Manufacturer:
ADI/亚德诺
Quantity:
20 000
SPECIFICATIONS
AV
otherwise noted.
Table 1.
Parameter
ADC CHANNEL
ANALOG INPUTS
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
Differential Input Voltage Ranges
Absolute AIN Voltage Limits
Analog Input Current
Normal Mode Rejection
Common-Mode Rejection
DD
Unbuffered Mode
Buffered Mode
In-Amp Active
Common-Mode Voltage, V
Buffered Mode or In-Amp Active
Unbuffered Mode
@ 50 Hz, 60 Hz
@ 50 Hz
@ 60 Hz
@ DC
@ 50 Hz, 60 Hz
@ 50 Hz, 60 Hz
= 2.7 V to 5.25 V; DV
Average Input Current
Average Input Current Drift
Average Input Current
Average Input Current Drift
3
3, 5
2
2
2
2
DD
4
2
2
= 2.7 V to 5.25 V; GND = 0 V; REFIN(+) = AV
CM
4
AD7798B/AD7799B
4.17 − 470
24
16
±15
±1
±10
±10
±1
100
±V
GND − 30 mV
AV
GND + 100 mV
AV
GND + 300 mV
AV
0.5
±1
±250
±1
±2
±400
±50
65
80
90
100
100
100
DD
DD
DD
REF
/gain
+ 30 mV
– 100 mV
− 1.1
Rev. A | Page 3 of 28
1
dB min
V min
V min
pA/°C typ
pA/V/°C typ
dB min
dB min
Unit
Hz nom
Bits min
Bits min
ppm of FSR max
μV typ
nV/°C typ
μV typ
ppm/°C typ
V nom
V min
V max
V max
V max
V min
nA max
pA max
nA max
nA/V typ
dB min
dB min
dB min
dB min
DD
; REFIN(−) = 0 V. All specifications T
Test Conditions/Comments
AD7799: f
AD7798
See Table 5 to Table 8
See Table 5 to Table 8
AIN = 1 V/gain, gain ≥ 4
V
Gain = 1 or 2
Gain = 1 or 2
Gain = 4 to 128
V
Gain = 1 or 2, update rate < 100 Hz
Gain = 4 to 128, update rate < 100 Hz
AIN3(+)/AIN3(−), update rate < 100 Hz
Gain = 1 or 2
Input current varies with input voltage
80 dB typ, 50 ± 1 Hz, 60 ± 1 Hz (FS[3:0] = 1010)
90 dB typ, 50 ± 1 Hz (FS[3:0] = 1001)
100 dB typ, 60 ± 1 Hz (FS[3:0] = 1000)
AIN = 1 V/gain, gain ≥ 4
50 ± 1 Hz, 60 ± 1 Hz (FS[3:0] = 1010)
50 ± 1 Hz (FS[3:0] = 1001
(FS[3:0] = 1000
REF
CM
= (AIN(+) + AIN(−))/2, gain = 4 to 128
= REFIN(+) – REFIN(–), gain = 1 to 128
ADC
< 242 Hz
6
)
6
), 60 ± 1 Hz
AD7798/AD7799
MIN
to T
6
6
6
MAX
, unless
6