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參數(shù)資料
| 型號： | SP8605 |
| 元件分類： | 串行ADC |
| 英文描述： | 12-Bit Sampling A/D Converters |
| 中文描述： | 12位采樣的A / D轉(zhuǎn)換器 |
| 文件頁數(shù)： | 4/11頁 |
| 文件大?。?/td> | 205K |
| 代理商： | SP8605 |
82
PINOUT
HBE is HIGH.
Pin 13 — D
— Data Bit 4 if HBE is LOW; LOW if
HBE is HIGH.
Pin 14 —N.C.—This pin is not internally connected.
Pin 15 —N.C.—This pin is not internally connected.
Pin 16— DGND — Digital Ground. Connect to
pin 5 at the device.
Pin 17 — D
— Data Bit 3 if HBE is LOW; Data Bit
11 if HBE is HIGH.
Pin 18 — D
— Data Bit 2 if HBE is LOW; Data Bit
10 if HBE is HIGH.
Pin 19— D
— Data Bit 1 if HBE is LOW; Data Bit
9 if HBE is HIGH.
Pin 20 — D
— Data Bit 0 if HBE is LOW. Least
Significant Bit (LSB). Data Bit 8 if HBE is HIGH.
Pin 21 — HBE — High Byte Enable, When held
LOW, data output as 12-bits in parallel. When
held HIGH, four MSBs presented on pins 17–
20, pins 10 – 13 output LOWs. Must be LOW to
initiate conversion.
Pin 22— R/C — Read/Convert. Falling edge initiates
conversion when CS is LOW, HBE is LOW, and
BUSY is HIGH.
Pin 23 — CS — Chip Select. Outputs in Hi-Z state
when HIGH. Must be LOW to initiate conversion or
read data.
Pin 24 — BUSY — Output LOW during
conversion. Data valid on rising edge in Con-
vert Mode.
Pin 25 — N.C. — This pin is not internally connected.
Pin 26 — V
— Positive Digital Power Supply, +5V.
Connect to pin 27, and bypass to DGND.
Pin 27 — V
— Positive Analog Power Supply.
+5V. Connect to pin 26, and bypass to AGND.
Pin 28 — N.C. — This pin is not internally connected.
N.C. 1
±10V IN 2
±5V IN 3
VREF 4
AGND 5
D
11
6
D
10
7
D
9
8
D
8
9
D
7
10
D
6
11
D
5
12
D
4
13
N.C. 14
28 N.C.
27 V
SA
26 V
SD
25 N.C.
24 BUSY
23 CS
22 R/C
21 HBE
20 D
0
19 D
1
18 D
2
17 D
3
16 DGND
15 N.C.
SP8603
SP8605
SP8610
PIN ASSIGNMENT
Pin 1 —No Connection —This pin is not internally
connected.
Pin 2 — IN
— 0V to 10V Analog Input. Connected
to AGND for 10V range.
Pin 3 — IN
— 0V to 5V Analog Input. Connected
to AGND for 5V range.
Pin 4 — V
REF
– Internal Voltage. Reference Output.
Pin 5 — AGND — Analog Ground. Connect to
pin 16 at the device.
Pin 6 — D
11
— Data Bit 11. Most Significant Bit
(MSB).
Pin 7 — D
10
— Data Bit 10.
Pin 8— D
9
— Data Bit 9.
Pin 9 — D
8
— Data Bit 8.
Pin 10 — D
— Data Bit 7 if HBE is LOW; LOW if
HBE is HIGH.
Pin 11 — D
— Data Bit 6 if HBE is LOW; LOW if
HBE is HIGH.
Pin 12 — D
5
— Data Bit 5 if HBE is LOW; LOW if
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