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PDF AT76CL610 Data sheet ( Hoja de datos )
| Número de pieza | AT76CL610 | |
| Descripción | Dual ADC 6-bit 1 Gsps Converter | |
| Fabricantes | ATMEL Corporation | |
| Logotipo |  |
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Features
• Dual 6-bit Resolution
• 700 MHz Full-power Input Bandwidth (-3 dB)
• Band Flatness (±0.5 dB) from DC to 350 MHz
• 1 Gsps Sampling Rate
• SINAD = 35 dB Typ (5.7 ENOB)
– THD = -47 dB, SFDR = -48 dB at FS = 1 Gsps, FIN = 250 MHz, (SFSR = -0.5dB FS)
• 2-tone IMD: -47 dBc Min at 1 Gsps, FIN = 249 MHz, 251 MHz
• DNL = 0.35 LSB Typ, INL = 0.5 LSB Typ
• Channel-to-channel Input Offset Error: ±1 LSB Max, 0 LSB Typ
• Gain Matching (Channel-to-channel): ±0.25 dB Max, 0 dB Typ
• Phase Matching (Channel-to-channel): ±2 deg Max, 0 deg typ
• Channel-to-channel Mean Difference Error: 0.5 LSB (rms)
• Channel-to-channel Max Difference Error: ±2 LSB Typ
• Low Bit Error Rate (10-9) at 1 Gsps
• Very Low Input Capacitance: 1 pF
• 800 mVPP Differential or Single Analog Inputs
• Differential or Single-ended 50Ω PECL-compatible Clock Inputs
• LVDS Output Compatibility (100Ω)
• 1:2 Data Output Demultiplexer per ADC
• LOW Power Consumption:
– 700 mW at VCCA = VCCD = 3.15V/VCCO = 2.25V
• Power Supply: 3.15V (Analog), 3.15V (Digital), 2.25V (Output)
• Available in 80-lead TQFP Package
• Temperature Range:
– Industrial -20°C < TA < 85°C,
– Commercial 0°C < TA < 70°C
Applications
• Satellite Receiver
• Direct RF Down-conversion
• Test Instrumentation
• WLAN
Description
The AT76CL610 is a monolithic dual 6-bit analog-to-digital converter, designed for
digitizing in-phase (I) and quadrature (Q) wide bandwidth analog signals at very high
sampling rates of up to 1 Gsps (giga-samples per second). The ability to directly inter-
face I and Q signals makes the AT76CL610 ideal for use in applications such as direct
satellite demodulation.
The AT76CL610 uses an innovative architecture and is fabricated with an advanced
high-speed BiCMOS process.
The two on-chip ADC cores have a closely matched 700 MHz full-power input band-
width, providing excellent dynamic performance in undersampling applications (high
IF digitizing).
The samples from each A/D converter are de-multiplexed by a 1:2 ratio and the output
data stream is LVDS-compliant.
Dual ADC 6-bit
1 Gsps
Converter
AT76CL610
Preliminary
Specification
For more information,
please contact hotline-
Rev. 2158A–BDC–04/03
1
1 page  
AT76CL610
Figure 3. Functional Application (Typical)
Satellite
Parabolic Antenna
Low Noise Converter
Bandpass
Amplifier
Bandpass
Amplifier
11..12 GHz
1..2 GHz
Local Oscillator
Low Pass
Filter
Tunable
Band Filter
Synthesizer
1.5 ... 2.5 GHz
IF
Band Filter
AGC
I In-phase
I I Local Oscillator
Control Functions:
Clock and Carrier Recovery,
Digital
AT76CL610
Analog
0 90
Gain Adjustment...
Q
Q
Q
CLOCK
Quadrature
DEMODULATION
2158A–BDC–04/03
5
5 Page 
Equivalent
Input/Output
Schematics
2158A–BDC–04/03
Figure 5. Simplified Input Model for Signal
VCCA
AT76CL610
VINI
VINIB
2 kΩ
2 kΩ
0.62 x VCCA
0.62 x VCCA
CNDA
Figure 6. Simplified LVDS Output Model
VCCO
DOAI0:DOAI5
DOBI0:DOBI5
DOAI0N:DOAI5N
DOBI0N:DOBI5N
GNDO
Figure 7. Simplified Input Model for Clock
VCCD
CLK
CLKB
50Ω
VCCA/2
50Ω
100Ω
100Ω
GNDD
11
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet AT76CL610.PDF ] | |
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