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參數(shù)資料
| 型號(hào)： | TDA8768 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 12-bit high-speed Analog-to-Digital Converter ADC |
| 中文描述： | 12位高速模擬數(shù)字轉(zhuǎn)換器模數(shù)轉(zhuǎn)換器 |
| 文件頁數(shù)： | 11/20頁 |
| 文件大?。?/td> | 144K |
| 代理商： | TDA8768 |
1998 Aug 26
11
Philips Semiconductors
Preliminary specification
12-bit high-speed Analog-to-Digital
Converter (ADC)
TDA8768
Table 1
Output coding with differential inputs (typical values to AGND); V
I(p-p)
V
I(p-p)
= 2.0 V; V
ref
= V
CCA
1.825 V
Table 2
Mode selection
Note
1.
X = don’t care.
Table 3
Sample-and-hold selection
CODE
V
I(p-p)
V
I(p-p)
IR
BINARY OUTPUTS
TWOS COMPLEMENT
OUTPUTS
D11 TO D0
D11 TO D0
Underflow
0
1
↓
2047
↓
4094
4095
Overflow
<3.1
3.1
3.6
4.1
>4.1
>4.1
4.1
3.6
3.1
<3.1
0
1
1
↓
1
↓
1
1
0
0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 1
↓
0 1 1 1 1 1 1 1 1 1 1 1
↓
1 1 1 1 1 1 1 1 1 1 1 0
1 1 1 1 1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1 1 1 1 1
1 0 0 0 0 0 0 0 0 0 0 0
1 0 0 0 0 0 0 0 0 0 00
1 0 0 0 0 0 0 0 0 0 0 1
↓
1 1 1 1 1 1 1 1 1 1 1 1
↓
0 1 1 1 1 1 1 1 1 1 1 0
0 1 1 1 1 1 1 1 1 1 1 1
0 1 1 1 1 1 1 1 1 1 1 1
OTC
CE
D0 TO D11 AND IR
0
1
0
0
1
binary; active
twos complement; active
high impedance
X
(1)
SH
SAMPLE-AND-HOLD
1
0
active
inactive; tracking mode
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