参数资料
| 型号： | ADADC80-Z-12 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 13/16页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT INTEGRATED 32-CDIP |
| 标准包装： | 1 |
| 位数： | 12 |
| 采样率（每秒）： | 40k |
| 数据接口： | 并联 |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 800mW |
| 电压电源： | 模拟和数字，双 ± |
| 工作温度： | -25°C ~ 85°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 32-CDIP（0.910"，23.12mm） |
| 供应商设备封装： | 32-CDIP 侧面铜焊 |
| 包装： | 管件 |
| 输入数目和类型： | 2 个单端，单极；2 个单端，双极 |
ADADC80
Rev. E | Page 6 of 16
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
NC = NO CONNECT
32
31
30
29
28
27
26
25
24
23
22
21
20
19
15
16
18
17
BIT 5
BIT 4
BIT 3
NC
BIT 1 (MSB)
BIT 2
BIT 6
BIT 8
BIT 9
BIT 10
NC
BIT 12 (LSB)
BIT 11
BIT 1 (MSB)
5V DIGITAL SUPPLY
DIGITAL GND
20V SPAN IN
BIPOLAR OFFSET OUT
COMPARATOR IN
–15V OR –12V
REF OUT (6.3V)
CLOCK OUT
EXTERNAL CLOCK IN
10V SPAN IN
CLOCK INHIBIT
GAIN ADJUST
15V OR 12V
ANALOG GND
CONVERT START
SHORT CYCLE
STATUS
BIT 7
ADADC80
TOP VIEW
(Not to Scale)
01
202
-0
02
Figure 2. Pin Configuration
Table 3. Pin Function Descriptions
Pin No.
Mnemonic
Function
1 to 6
BIT 6 to BIT 1 (MSB)
Digital Outputs.
7
NC
No Connection.
8
BIT 1 (MSB)
MSB Inverted Digital Output.
9
5V DIGITAL SUPPLY
Digital Positive Supply (Nominally ±0.25 V).
10
DIGITAL GND
Digital Ground.
11
COMPARATOR IN
Offset Adjust.
12
BIPOLAR OFFSET OUT
Bipolar Offset Output.
13
10V SPAN IN
Analog Input 10 V Signal Range.
14
20V SPAN IN
Analog Input 20 V Signal Range.
15
ANALOG GND
Analog Ground.
16
GAIN ADJUST
Gain Adjust.
17
15V OR 12V
Analog Positive Supply (Nominally ±1.0 V for +15 V or ±0.6 V for +12 V).
18
CONVERT START
Enables Conversion.
19
EXTERNAL CLOCK IN
External Clock Input.
20
CLOCK INHIBIT
Clock Inhibit.
21
SHORT CYCLE
Shortens Conversion Cycle to Desired Resolution.
22
STATUS
Logic High, ADC Converting/Logic Low, ADC Data Valid.
23
CLOCK OUT
Internal Clock Output.
24
REF OUT (6.3V)
6.3 V Reference Output.
25
15V OR 12V
Analog Negative Supply (Nominally ±1.0 V for 15 V or ±0.6 V for 12 V).
26
NC
No Connection.
27 to 32
BIT 12 (LSB) to BIT 7
Digital Outputs.
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