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參數(shù)資料
| 型號： | SPT7950SIR |
| 廠商： | SIGNAL PROCESSING TECHNOLOGIES |
| 元件分類： | ADC |
| 英文描述： | 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28 |
| 封裝： | SSOP-28 |
| 文件頁數(shù)： | 5/5頁 |
| 文件大?。?/td> | 39K |
| 代理商： | SPT7950SIR |
SPT
5
9/6/00
SPT7950
ORDERING INFORMATION
PART NUMBER
SPT7950SIR
TEMPERATURE RANGE
–
40 to +85
°
C
PACKAGE TYPE
28L SSOP
Signal Processing Technologies, Inc. reserves the right to change products and specifications without notice. Permission is hereby
expressly granted to copy this literature for informational purposes only. Copying this material for any other use is strictly prohibited.
WARNING
–
LIFE SUPPORT APPLICATIONS POLICY
–
SPT products should not be used within Life Support Systems without the
specific written consent of SPT. A Life Support System is a product or system intended to support or sustain life which, if it fails, can
be reasonably expected to result in significant personal injury or death.
Signal Processing Technologies believes that ultrasonic cleaning of its products may damage the wire bonding, leading to
device failure. It is therefore not recommended, and exposure of a device to such a process will void the product warranty.
PIN FUNCTIONS
Name
GND
V
DD
REF
L
Function
Analog Ground
Analog +5 V
Reference Pin Low, input for external reference,
bypass with capacitor (100 nF) when internal
reference is selected.
Reference Pin High, input for external reference,
bypass with capacitor (100 nF) when internal
voltage is selected.
EXT/INT = 1, internal reference powered down;
use external reference
EXT/INT = 0, internal reference is used
2.5 V Common Mode Voltage Reference Output;
decouple with 100 nF capacitor
Inverted analog input; nominally 1 V
P-P
Non-inverted analog input; nominally 1 V
P-P
Clock input pin
Complement of Clock input pin, internally biased
to 1.5 V; if single-ended clock is used, bypass to
GND with 100 nF
Digital outputs, D0 = LSB. 3.3 V/5 V compatible
Supply Voltage for Digital Outputs +5 V or +3.3 V
REF
H
EXT/INT
V
CM
V
IN
V
IN
CLK
CLK
D0
–
D11
OV
DD
PIN ASSIGNMENTS
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
GND
V
DD
REF
L
REF
H
V
CM
GND
GND
V
IN
CLK
D0
D1
D2
D3
D4
D5
OV
DD
GND
OV
DD
D6
D7
D8
D9
D10
EXT/INT
V
I
N
SPT7950
28 SSOP
CLK
D11 (MSB)
V
DD
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