AV
參數(shù)資料
型號(hào): AD7193BRUZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 55/57頁(yè)
文件大?。?/td> 0K
描述: IC ADC 24BIT SPI 4.8K 28-TSSOP
產(chǎn)品培訓(xùn)模塊: Weigh Scale Introduction
標(biāo)準(zhǔn)包裝: 50
位數(shù): 24
采樣率(每秒): 4.8k
數(shù)據(jù)接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 28-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 28-TSSOP
包裝: 管件
輸入數(shù)目和類型: 4 個(gè)差分,單極;4 個(gè)差分,雙極;8 個(gè)偽差分,單極;8 個(gè)偽差分,雙極
產(chǎn)品目錄頁(yè)面: 777 (CN2011-ZH PDF)
AD7193
Data Sheet
Rev. D | Page 6 of 56
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments1
REFERENCE INPUT
REFIN Voltage
1
AVDD
V
REFIN = REFINx(+) REFINx(), the
differential input must be limited to
±(AVDD 1.25 V)/gain when gain > 1
Absolute REFIN Voltage
Limits2
AGND 0.05
AVDD + 0.05
V
Average Reference Input
Current
4.5
A/V
Average Reference Input
Current Drift
±0.03
nA/V/°C
External clock
±1.3
nA/V/°C
Internal clock
Normal Mode Rejection2
Same as for
analog inputs
Common-Mode
Rejection
100
dB
Reference Detect Levels
0.3
0.6
V
TEMPERATURE SENSOR
Accuracy
±2
°C
Applies after user calibration at 25°C
Sensitivity
2815
Codes/°C
Bipolar mode
BRIDGE POWER-DOWN
SWITCH
RON
10
Ω
Allowable Current2
30
mA
Continuous current
BURNOUT CURRENTS
AIN Current
500
nA
Analog inputs must be buffered and chop
disabled
DIGITAL OUTPUTS (P0 to P3)
Output High Voltage, VOH
AVDD 0.6
V
AVDD = 3 V, ISOURCE = 100 μA
4
V
AVDD = 5 V, ISOURCE = 200 μA
Output Low Voltage, VOL
0.4
V
AVDD = 3 V, ISINK = 100 μA
0.4
V
AVDD = 5 V, ISINK = 800 μA
Floating-State Leakage
Current2
100
+100
nA
Floating-State Output
Capacitance
10
pF
INTERNAL/EXTERNAL CLOCK
Internal Clock
Frequency
4.72
4.92
5.12
MHz
Duty Cycle
50:50
%
External Clock/Crystal
Frequency
2.4576
4.9152
5.12
MHz
Input Low Voltage, VINL
0.8
V
DVDD = 5 V
0.4
V
DVDD = 3 V
Input High Voltage, VINH
2.5
V
DVDD = 3 V
3.5
V
DVDD = 5 V
Input Current
10
+10
A
LOGIC INPUTS
Input High Voltage, VINH2
2
V
Input Low Voltage, VINL2
0.8
V
Hysteresis2
0.1
0.25
V
Input Currents
10
+10
A
LOGIC OUTPUT (DOUT/RDY)
Output High Voltage, VOH2
DVDD 0.6
V
DVDD = 3 V, ISOURCE = 100 A
4
V
DVDD = 5 V, ISOURCE = 200 A
Output Low Voltage, VOL2
0.4
V
DVDD = 3 V, ISINK = 100 A
0.4
V
DVDD = 5 V, ISINK = 1.6 mA
Floating-State Leakage
Current
10
+10
A
Floating-State Output
Capacitance
10
pF
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