參數(shù)資料
型號: AD7734BRU
廠商: ANALOG DEVICES INC
元件分類: ADC
英文描述: 4-Channel, +-10 V Input Range, High Throughput, 24-Bit sigma ∆ ADC
中文描述: 4-CH 24-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO28
封裝: MO-153AE, TSSOP-28
文件頁數(shù): 4/32頁
文件大?。?/td> 1542K
代理商: AD7734BRU
AD7734
Parameter
BIAS0 to 3, BIASHI Pin Impedance
1, 8
Input Resistor Matching
Input Resistor Temp. Coefficient
REFERENCE INPUTS
REFIN(+) to REFIN(–) Voltage
1, 9
NOREF Trigger Voltage
REFIN(+), REFIN(–)
Common-Mode Voltage
1
Reference Input DC Current
10
SYSTEM CALIBRATION
1, 11
Full-Scale Calibration Limit
Zero-Scale Calibration Limit
Input Span
LOGIC INPUTS
Input Current
Input Current CS
Input Capacitance
V
T+1
V
T–1
V
T+
– V
T–1
V
T+1
V
T–
1
V
T+
– V
T–1
MCLK IN ONLY
Input Current
Input Capacitance
V
INL
Input Low Voltage
V
INH
Input High Voltage
V
INL
Input Low Voltage
V
INH
Input High Voltage
LOGIC OUTPUTS
12
V
OL
Output Low Voltage
V
OH
Output High Voltage
V
OL
Output Low Voltage
V
OH
Output High Voltage
Floating State Leakage Current
Floating State Leakage Capacitance
P0, P1 INPUTS/OUTPUTS
Input Current
V
INL
Input Low Voltage
V
INH
Input High Voltage
V
OL
Output Low Voltage
V
OH
Output High Voltage
POWER REQUIREMENTS
AV
DD
–AGND Voltage
DV
DD
–DGND Voltage
AV
DD
Current (Normal Mode)
DV
DD
Current (Normal Mode)
13
DV
DD
Current (Normal Mode)
13
Min
12.5
2.475
0
–1.05
×
FS
0.8
×
FS
1.4
0.8
0.3
0.95
0.4
0.3
3.5
2.5
4.0
DV
DD
– 0.6
3.5
4.0
4.75
4.75
2.70
Typ
15.5
0.2
–30
2.5
0.5
5
5
3
13.5
2.8
1.0
Max
2.525
AV
DD
400
+1.05
×
FS
2.1
×
FS
±
1
±
10
–40
2
1.4
0.85
2
1.1
0.85
±
10
0.8
0.4
0.4
0.4
±
1
±
10
0.8
0.4
5.25
5.25
3.60
15.9
3.1
1.5
Unit
k
%
ppm/°C
V
V
V
μA
V
V
V
μA
μA
μA
pF
V
V
V
V
V
V
μA
pF
V
V
V
V
V
V
V
V
μA
pF
μA
V
V
V
V
V
V
V
mA
mA
mA
Test Conditions/Comments
NOREF Bit in Channel Status Register
CS = DV
DD
CS = DGND, Internal Pull-Up Resistor
DV
DD
= 5 V
DV
DD
= 5 V
DV
DD
= 5 V
DV
DD
= 3 V
DV
DD
= 3 V
DV
DD
= 3 V
DV
DD
= 5 V
DV
DD
= 5 V
DV
DD
= 3 V
DV
DD
= 3 V
I
SINK
= 800 μA, DV
DD
= 5 V
I
SOURCE
= 200 μA, DV
DD
= 5 V
I
SINK
= 100 μA, DV
DD
= 3 V
I
SOURCE
= 100 μA, DV
DD
= 3 V
Levels Referenced to Analog Supplies
AV
DD
= 5 V
AV
DD
= 5 V
I
SINK
= 7 mA, See Abs. Max. Ratings
I
SOURCE
= 200 μA, AV
DD
= 5 V
AV
DD
= 5 V
DV
DD
= 5 V
DV
DD
= 3 V
Rev. 0 | Page 4 of 32
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