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PDF ADC0806 Data sheet ( Hoja de datos )
| Número de pieza | ADC0806 | |
| Descripción | 500 ns A/D Converter with S/H Function and Input Multiplexer | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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January 2003
ADC08060
8-Bit, 20 MSPS to 60 MSPS, 1.3 mW/MSPS A/D Converter
General Description
The ADC08060 is a low-power, 8-bit, monolithic analog-to-
digital converter with an on-chip track-and-hold circuit. Opti-
mized for low cost, low power, small size and ease of use,
this product operates at conversion rates of 20 MSPS to 70
MSPS with outstanding dynamic performance over its full
operating range while consuming just 1.3 mW per MHz of
clock frequency. That’s just 78 mW of power at 60 MSPS.
Raising the PD pin puts the ADC08060 into a Power Down
mode where it consumes just 1 mW.
The unique architecture achieves 7.5 Effective Bits with
25 MHz input frequency. The excellent DC and AC charac-
teristics of this device, together with its low power consump-
tion and single +3V supply operation, make it ideally suited
for many imaging and communications applications, includ-
ing use in portable equipment. Furthermore, the ADC08060
is resistant to latch-up and the outputs are short-circuit proof.
The top and bottom of the ADC08060’s reference ladder are
available for connections, enabling a wide range of input
possibilities. The digital outputs are TTL/CMOS compatible
with a separate output power supply pin to support interfac-
ing with 3V or 2.5V logic. The digital inputs (CLK and PD) are
TTL/CMOS compatible.
The ADC08060 is offered in a 24-lead plastic package
(TSSOP) and is specified over the industrial temperature
range of −40˚C to +85˚C.
Features
n Single-ended input
n Internal sample-and-hold function
n Low voltage (single +3V) operation
n Small package
n Power-down feature
Key Specifications
n Resolution
8 bits
n Maximum sampling frequency
60 MSPS (min)
n DNL
0.4 LSB (typ)
n ENOB
7.5 bits (typ) at fIN = 25 MHz
n THD
−60 dB (typ)
n No missing codes
Guaranteed
n Power Consumption
n Operating
1.3 mW/MSPS (typ)
n Power down
1 mW (typ)
Applications
n Digital imaging systems
n Communication systems
n Portable instrumentation
n Viterbi decoders
n Set-top boxes
Pin Configuration
© 2003 National Semiconductor Corporation DS200062
20006201
www.national.com
1 page  
Converter Electrical Characteristics (Continued)
The following specifications apply for VA = DR VD = +3.0VDC, VRT = +1.9V, VRB = 0.3V, CL = 10 pF, fCLK = 60 MHz at 50%
duty cycle. Boldface limits apply for TA = TMIN to TMAX: all other limits TA = 25˚C (Notes 7, 8)
Symbol
Parameter
Conditions
Typical
(Note 9)
Limits
(Note 9)
Units
(Limits)
CLK, PD DIGITAL INPUT CHARACTERISTICS
IIL Logical Low Input Current
CIN Logic Input Capacitance
DIGITAL OUTPUT CHARACTERISTICS
VIL = 0V, DR VD = VA = 2.7V
−50
3
nA
pF
VOH High Level Output Voltage
VOL Low Level Output Voltage
DYNAMIC PERFORMANCE
VA = DR VD = 2.7V, IOH = −400 µA
VA = DR VD = 2.7V, IOL = 1.0 mA
2.6
0.4
2.4 V (min)
0.5 V (max)
ENOB Effective Number of Bits
SINAD Signal-to-Noise & Distortion
SNR
Signal-to-Noise Ratio
SFDR Spurious Free Dynamic Range
THD
Total Harmonic Distortion
HD2
2nd Harmonic Distortion
HD3
3rd Harmonic Distortion
IMD Intermodulation Distortion
POWER SUPPLY CHARACTERISTICS
fIN = 4.4 MHz, VIN = FS − 0.25 dB
fIN = 10 MHz, VIN = FS − 0.25 dB
fIN = 25 MHz, VIN = FS − 0.25 dB
fIN = 29 MHz, VIN = FS − 0.25 dB
fIN = 4.4 MHz, VIN = FS − 0.25 dB
fIN = 10 MHz, VIN = FS − 0.25 dB
fIN = 25 MHz, VIN = FS − 0.25 dB
fIN = 29 MHz, VIN = FS − 0.25 dB
fIN = 4.4 MHz, VIN = FS − 0.25 dB
fIN = 10 MHz, VIN = FS − 0.25 dB
fIN = 25 MHz, VIN = FS − 0.25 dB
fIN = 29 MHz, VIN = FS − 0.25 dB
fIN = 4.4 MHz, VIN = FS − 0.25 dB
fIN = 10 MHz, VIN = FS − 0.25 dB
fIN = 25 MHz, VIN = FS − 0.25 dB
fIN = 29 MHz, VIN = FS − 0.25 dB
fIN = 4.4 MHz, VIN = FS − 0.25 dB
fIN = 10 MHz, VIN = FS − 0.25 dB
fIN = 25 MHz, VIN = FS − 0.25 dB
fIN = 29 MHz, VIN = FS − 0.25 dB
fIN = 4.4 MHz, VIN = FS − 0.25 dB
fIN = 10 MHz, VIN = FS − 0.25 dB
fIN = 25 MHz, VIN = FS − 0.25 dB
fIN = 29 MHz, VIN = FS − 0.25 dB
fIN = 4.4 MHz, VIN = FS − 0.25 dB
fIN = 10 MHz, VIN = FS − 0.25 dB
fIN = 25 MHz, VIN = FS − 0.25 dB
fIN = 29 MHz, VIN = FS − 0.25 dB
f1 = 11 MHz, VIN = FS − 6.25 dB
f2 = 12 MHz, VIN = FS − 6.25 dB
7.6 Bits
7.6 7.1 Bits (min)
7.5 Bits
7.4 Bits
47 dB
47 44.5 dB (min)
47 dB
46 dB
47 dB
47 44.6 dB (min)
47 dB
46 dB
64 dBc
63 dBc
60 dBc
54 dBc
−64 dBc
−63 dBc
-57 dBc
−54 dBc
-70 dBc
−65 dBc
-64 dBc
−54 dBc
−72 dBc
−70 dBc
-68 dBc
−65 dBc
-55 dBc
IA
DR ID
Analog Supply Current
Output Driver Supply Current
DC Input
fIN = 10 MHz, VIN = FS − 3 dB
DC Input
fIN = 10 MHz, VIN = FS − 3 dB
DC Input
25
25
0.3
4.4
25.3
31 mA (max)
mA
1 mA (max)
mA
32 mA (max)
IA +
DRID
Total Operating Current
fIN = 10 MHz, VIN = FS − 3 dB,
PD = Low
CLK Low, PD = Hi
29.4
0.2
mA (max)
5 www.national.com
5 Page 
Typical Performance Characteristics VA = DR VD = 3V, fCLK = 60 MHz, fIN = 10 MHz, unless
otherwise stated (Continued)
Spectral Response @ fIN = 10.1 MHz
Spectral Response @ fIN = 25 MHz
20006244
Intermodulation Distortion (IMD)
20006245
20006242
11 www.national.com
11 Page | ||
| Páginas | Total 19 Páginas | |
| PDF Descargar | [ Datasheet ADC0806.PDF ] | |
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