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參數資料
| 型號： | 9240RPQI |
| 廠商： | MAXWELL TECHNOLOGIES |
| 元件分類： | ADC |
| 英文描述： | 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, QFP44 |
| 封裝： | RAD-PAK, QFP-44 |
| 文件頁數： | 3/10頁 |
| 文件大小： | 192K |
| 代理商： | 9240RPQI |
Memory
2
All data sheets are subject to change without notice
2002 Maxwell Technologies
All rights reserved.
14-Bit, 10 MSPS Monolithic A/D Converter with LPT ASIC
9240LP
03.08.02 Rev 4
TABLE 1. 9240LP PIN DESCRIPTION
PIN NUMBER
NAME
DESCRIPTION
1
DVSS
Digital Ground
2, 29
AVSS
Analog Ground
3
DVDD
5V Digital Supply
4, 28
AVDD
5V Analog Supply
5
NC
No Connect
6
DRVDD
Digital Output Driver Supply
7
CLK
Clock Input Pin
8
LPTSTATUS
A 0 to 5V pulse is output during the decision
time and protect time. Normally low.
9
LPTBIT
The LPT circuit will crowbar the power supplies
to the 9240LP for as long as a logic high is
applied. Used to verify operation of the LPT.
Normally a logical low or ground is applied to
this input.
10
NC
No Connect
11
BIT 14
Least Significant Data Bit (LSB)
12-23
BIT 13-BIT 2
Data Output Bits
24
BIT 1
Most Significant Data Bits (MSB)
25
OTR
Out of Range
26, 27, 30
NC
No Connect
31
SENSE
Reference Select
32
VREF
Reference I/O
33
REFCOM
Reference Common
34, 38
NC
No Connect
35
BIAS 1
1. See Speed/Power programmability section.
Power/Speed Programming
36
CAPB
Noise Reduction Pin
37
CAPT
Noise Reduction Pin
39
CML
Common-Mod Level (Midsupply)
40
LPTVREF
Protected Reference I/O
41
VINA
Analog Input Pin (+)
42
VINB
Analog Input Pin (-)
43
LPTDVDD
Protected 5V Digital Supply
44
LPTAVDD
Protected 5V Analog Supply
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