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| 型号： | 5962F0520601VZC |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | ADC |
| 英文描述： | 2-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, CQFP128 |
| 封装： | CERAMIC, QFP-128 |
| 文件页数： | 1/44页 |
| 文件大小： | 1337K |
| 代理商： | 5962F0520601VZC |
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ADC08D1000QML
November 9, 2009
High Performance, Low Power, Dual 8-Bit, 1 GSPS A/D
Converter
General Description
The ADC08D1000 is a dual, low power, high performance
CMOS analog-to-digital converter that digitizes signals to 8
bits resolution at sampling rates up to 1.2 GSPS. Consuming
a typical 1.6 Watts at 1 GSPS from a single 1.9 Volt supply,
this device is guaranteed to have no missing codes over the
full operating temperature range. The unique folding and in-
terpolating architecture, the fully differential comparator de-
sign, the innovative design of the internal sample-and-hold
amplifier and the self-calibration scheme enable a very flat
response of all dynamic parameters beyond Nyquist, produc-
ing a high 7.4 Effective Number Of Bits (ENOB) with a 498
MHz input signal and a 1 GHz sample rate while providing a
10-18 Bit Error Rate ( B.E.R.). Output formatting is offset binary
and the Low Voltage Differential Signaling (LVDS) digital out-
puts are compliant with IEEE 1596.3-1996, with the exception
of an adjustable common mode voltage between 0.8V and
1.13V.
Each converter has a 1:2 demultiplexer that feeds two LVDS
buses and reduces the output data rate on each bus to half
the sampling rate. The two converters can be interleaved and
used as a single 2 GSPS ADC.
The converter typically consumes less than 3.5 mW in the
Power Down Mode and is available in a 128-lead, thermally
enhanced multi-layer ceramic quad package and operates
over the Military (-55°C
≤ T
A ≤ +125°C) temperature range.
This part will work in a radiation environment, with ex-
cellent results, provided the guidelines in applications
section 2.1 are followed
.
Features
■ Total Ionizing Dose
300 krad(Si)
■ Single Event Latch-Up
>120 MeV/mg/cm2
■ Internal Sample-and-Hold
■ Single +1.9V ±0.1V Operation
■ Choice of SDR or DDR output clocking
■ Interleave Mode for 2x Sampling Rate
■ Multiple ADC Synchronization Capability
■ Guaranteed No Missing Codes
■ Serial Interface for Extended Control
■ Fine Adjustment of Input Full-Scale Range and Offset
■ Duty Cycle Corrected Sample Clock
Key Specifications
■ Resolution
8 Bits
■ Max Conversion Rate
1 GSPS (min)
■ Bit Error Rate
10-18 (typ)
■ ENOB @ 498 MHz Input
7.4 Bits (typ)
■ DNL
±0.15 LSB (typ)
■ Power Consumption
— Operating
1.6 W (typ)
— Power Down Mode
3.5 mW (typ)
Applications
■ Communication Satellites/Systems
■ Direct RF Down Conversion
2009 National Semiconductor Corporation
201802
www.national.com
ADC08D1000QML
High
Performance,
Low
Power,
Dual
8-Bit,
1
GSPS
A/D
Converter
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