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參數(shù)資料
| 型號： | A5191HRTNG-XTP |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 8/14頁 |
| 文件大?。?/td> | 0K |
| 描述： | MODEM HART SGL CMOS 32QFN |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 數(shù)據(jù)格式： | HART |
| 波特率： | 1.2k |
| 電源電壓： | 3 V ~ 5 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-VFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 32-QFN（5x5） |
| 包裝： | 帶卷 (TR) |
A5191HRT
http://onsemi.com
3
Table 2. DC CHARACTERISTICS (VDD = 3.0 V to 5.5 V, VSS = 0 V, TA = 40°C to +85°C)
Symbol
Parameter
VDD
Min
Typ
Max
Units
VIL
Input Voltage, Low
3.0 – 5.5 V
0.3 * VDD
V
VIH
Input Voltage, High
3.0 – 5.5 V
0.7 * VDD
V
VOL
Output Voltage, Low (IOL = 0.67 mA)
3.0 – 5.5 V
0.4
V
VOH
Output Voltage, High (IOH = 0.67 mA)
3.0 – 5.5 V
2.4
V
CIN
Input Capacitance of:
Analog Input
RXA
Digital Input
2.9
25
3.5
pF
IIL/IIH
Input Leakage Current
±500
nA
IOLL
Output Leakage Current
±10
mA
IDDA
Power Supply Current
(RBIAS = 500 kW, AREF = 1.235 V)
3.3 V
5.0 V
150
330
300
450
600
mA
IDDD
Dynamic Digital Current
5.0 V
25
200
mA
AREF
Analog Reference
3.3 V
5.0 V
1.2
1.235
2.5
2.6
V
CDREF
(Note 3)
Carrier Detect Reference (AREF – 0.08 V)
3.3 V
5.0 V
1.15
2.42
V
CBIAS
Comparator Bias Current
(RBIAS = 500 kW, AREF = 1.235 V)
2.5
mA
3. The HART specification requires carrier detect (CD) to be active between 80 and 120 mVpp. Setting CDREF at AREF 0.08 VDC will set
the carrier detect to a nominal 100 mVpp.
Pin Name
Description
Min
Typ
Max
Units
RxA
Receive analog input
Leakage current
Frequency – mark (logic 1)
Frequency – space (logic 0)
1190
2180
1200
2200
±150
1210
2220
nA
Hz
RxAF
Output of the highpass filter
Slew rate
Gain bandwidth (GBW)
Voltage range
150
0.15
0.025
VDD – 0.15
V/ms
kHz
V
RxAFI
Carrier detect and receive filter input
Leakage current
±500
nA
TxA
Modulator output
Frequency – mark (logic 1)
Frequency – space (logic 0)
Amplitude (AREF 1.235 V)
Slew Rate mark (logic 1)
Slew Rate space (logic 0)
Loading (AREF = 1.235 V)
30
1196.9
2194.3
500
1860
3300
Hz
mV
V/s
kW
RxD
Receive digital output
Rise/fall time
20
ns
CD
Carrier detect output
Rise/fall time
20
ns
4. The modular output frequencies are proportional to the input clock frequency (460.8 kHz).
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
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