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參數(shù)資料
| 型號(hào)： | CLC5958SLB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | ADC |
| 英文描述： | 14-bit, 52MSPS A/D Converter |
| 中文描述： | 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO48 |
| 封裝： | CSP-48 |
| 文件頁數(shù)： | 1/13頁 |
| 文件大?。?/td> | 1614K |
| 代理商： | CLC5958SLB |
1999 National Semiconductor Corporation
Printed in the U.S.A.
http://www.national.com
N
General Description
The CLC5958 is a monolithic 14-bit, 52MSPS analog-to-digital
converter. The ultra-wide dynamic range and high sample rate of
the device make it an excellent choice for wideband receivers
found in multi-channel basestations. The CLC5958 integrates a
low distortion track-and-hold amplifier and a 14-bit multi-stage
quantizer on a single die. Other features include differential
analog inputs, low jitter differential clock inputs, an internal
bandgap voltage reference, and CMOS/TTL compatible outputs.
The CLC5958 is fabricated on the National ABIC-V 0.8 micron
BiCMOS process.
The CLC5958 features a 90dB spurious free dynamic range
(SFDR) and a 70dB signal to noise ratio (SNR). The balanced
differential analog inputs ensure low even-order distortion, while
the differential clock inputs permit the use of balanced clock signals
to minimize clock jitter. The 48-pin CSP package provides an
extremely small footprint for applications where space is a critical
consideration. The package also provides a very low thermal
resistance to ambient. The CLC5958 may be operated with a
single +5V power supply. Alternatively, an additional supply may
be used to program the digital output levels over the range of
+3.3V to +5V. Operation over the industrial temperature range of
-40°C to +85°C is guaranteed. National Semiconductor tests
each part to verify compliance with the guaranteed specifications.
CLC5958
14-bit, 52MSPS A/D Converter
Features
14-bit
52MSPS
Ultra-wide dynamic range
Noise floor: -72dBFS
SFDR: 90dB
Excellent performance to Nyquist
IF sampling capability
Very small package: 48-pin CSP
Programmable output levels:
3.3V to 5V
Applications
Multi-channel basestations
Multi-standard basestations:
GSM, WCDMA, DAMPS, etc.
Smart antenna systems
Wireless local loop
Wideband digital communications
September 1999
C
1
Single-Tone Output Spectrum
P
Frequency (MHz)
0
-20
-120
0
5
25
-40
-60
-80
-100
10
15
20
Sample Rate = 52MSPS
Input Frequency = 5MHz
Output Response with GSM 1800 Blocker
P
Frequency (MHz)
-20
-40
-60
-80
-100
-120
0
5
25
10
15
20
Full Scale = -24dBM
Res. BW = 200KHz
-25dBm blocker
-101dBm reference
Actual Size
(Bottom View)
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