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参数资料
| 型号： | A5191HRTPG-XTP |
| 厂商： | ON Semiconductor |
| 文件页数： | 11/14页 |
| 文件大小： | 0K |
| 描述： | MODEM HART SGL CMOS 28PLCC |
| 标准包装： | 1 |
| 数据格式： | HART |
| 波特率： | 1.2k |
| 电源电压： | 3 V ~ 5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-LCC（J 形引线） |
| 供应商设备封装： | 28-PLCC（11.51x11.51） |
| 包装： | 标准包装 |
| 其它名称： | A5191HRTPG-XTPOSDKR |
A5191HRT
http://onsemi.com
6
A5191HRT
1
2
3
4
5
6
7
8
32
31
30
29
28
27
26
25
9
10
11
12
13
14
15
16
24
23
22
21
20
19
18
17
TEST5
TEST7
TEST8
TEST9
TxA
AREF
RESET
VSS
CD
R
E
F
CB
IA
S
TE
S
T1
0
VD
D
A
Rx
A
Rx
A
F
Rx
A
FI
VS
S
A
TEST11
TxD
RTS
VDD
VSS
XIN
XOUT
VSSA
TEST
4
TEST3
TEST
2
TEST
1
TEST
12
CD
RxD
VDD
A5191HRT
1
2
3
4
5
6
7
8
32
31
30
29
28
27
26
25
9
10
11
12
13
14
15
16
24
23
22
21
20
19
18
17
TEST5
TEST7
TEST8
TEST9
TxA
AREF
RESET
VSS
CD
R
E
F
CB
IA
S
TE
ST
10
VD
D
A
RxA
F
RxA
FI
VSSA
TEST11
TxD
RTS
VDD
VSS
XIN
XOUT
VSSA
TE
S
T4
TEST3
TE
S
T2
TE
S
T1
TE
S
T1
2
CD
RxD
VDD
Figure 4. Pin Out A5191HRT in 32-pin QFN and LQFP (top view)
Table 7. PIN OUT SUMMARY 32PIN QFN AND LQFP
Pin No.
Signal Name
Type
Pin Description
1
TEST5
Input
Connect to VSS
2
RESETB
Input
Reset all logic when low, connect to VDD for normal operation
3, 4, 5
TEST7, 8, 9
Input
Connect to VSS
6
VSS
Ground
Digital ground
7
TxA
Output
Transmit Data Modulator output
8
AREF
Input
Analog reference voltage
9
CDREF
Input
Carrier detect reference voltage
10
CBIAS
Output
Comparator bias current
11
TEST10
Input
Connect to VSS
12
VSSA
Ground
Analog ground
13
VDDA
Power
Analog supply voltage
14
RxA
Input
Receive Data Modulator input
15
RxAF
Output
Analog receive filter output
16
RxAFI
Input
Analog receive comparator input
17
XOUT
Output
Crystal oscillator output
18
XIN
Input
Crystal oscillator input
19
VSSA
Ground
Analog ground
20
VSS
Ground
Digital ground
21
VDD
Power
Digital supply voltage
22
RTSB
Input
Request to send
23
TxD
Input
Input transmit data, transmit HART data stream from microcontroller
24
TEST11
Do Not Connect
25
RxD
Output
Received demodulated HART data to microcontroller
26
CD
Output
Carrier detect output
27
TEST12
Do Not Connect
28
TEST1
Input
Connect to VSS
29
TEST2
Do Not Connect
30
VDD
Power
Digital supply voltage
31, 32
TEST3, 4
Do Not Connect
EP
Exposed Pad
Power
Connect to VSS (QFN only)
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