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參數(shù)資料
| 型號(hào)： | ADC04R01 |
| 元件分類： | ADC |
| 英文描述： | Analog to Digital Converter |
| 中文描述： | 模數(shù)轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大小： | 189K |
| 代理商： | ADC04R01 |
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SEC ASIC
ANALOG
GENERAL DESCRIPTION
This adc0420x is developed for AFE (Analog-front-end)
function for voice signal processing with 14bit 8kHz
A/D conversion. The core consists of serial interface
and
band-pass
filters
utilizing
the
sigma-delta
A/D
conversion architecture. Also it has AAF (anti-aliasing
filter) and pre-amplifier for signal gain with external
resistor
configuration.
On-chip
voltage
reference
provide the single supply operation in analog blocks.
And it has analog 3.3volts supply operation and digital
1.8volts supply operation.
FEATURES
- Analog 3.3Volt / Digital 1.8Volt Operation
- Linear 14bits Output
- 8bits u/A-Law Companding Outputs
- Serial Data Output Format
- On Chip Band Pass Filter
- High Pass Filter On-Off
- On Chip Preamp for External Resister Signal Gain
APPLICATIONS
- Voice Signal Recording
FUNCTIONAL BLOCK DIAGRAM
AAF
￥ò
-
￥
ADC
AIN
SOUT
SYNC
CONTROL
VREF
REFERENCE
PDWN
LCSEL[1:0]
HPOFF
AVDD33A
AVDD18D
AVSS33A
AVSS18D
PreAmp
RSTB
MCLK
Serial
I/F
AVBB
BAND PASS
FILTER
Linear
u/A-Law
AFB
Ver 1.0 (OCT 2000)
This datasheet is a preliminary version. No responsibility is assumed by SEC for its use
nor for any infringements of patents or other rights of third parties that may result from its use. The
content of this datasheet is subject to change without any notice.
14bits 8KHz Sigma-Delta ADC
adc0420x
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