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ADC10040CIMT fiches techniques PDF

National Semiconductor - 10-Bit/ 40 MSPS/ 3V/ 55.5 mW A/D Converter

Numéro de référence ADC10040CIMT
Description 10-Bit/ 40 MSPS/ 3V/ 55.5 mW A/D Converter
Fabricant National Semiconductor 
Logo National Semiconductor 





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ADC10040CIMT fiche technique
November 2004
ADC10040
10-Bit, 40 MSPS, 3V, 55.5 mW A/D Converter
General Description
The ADC10040 is a monolithic CMOS analog-to-digital con-
verter capable of converting analog input signals into 10-bit
digital words at 40 Megasamples per second (MSPS). This
converter uses a differential, pipeline architecture with digital
error correction and an on-chip sample-and-hold circuit to
provide a complete conversion solution, and to minimize
power consumption, while providing excellent dynamic per-
formance. A unique sample-and-hold stage yields a full-
power bandwidth of 400 MHz. Operating on a single 3.0V
power supply, this device consumes just 55.5 mW at
40 MSPS, including the reference current. The Standby
feature reduces power consumption to just 13.5 mW.
The differential inputs provide a full scale selectable input
swing of 2.0 VP-P, 1.5 VP-P, 1.0 VP-P, with the possibility of a
single-ended input. Full use of the differential input is recom-
mended for optimum performance. An internal +1.2V preci-
sion bandgap reference is used to set the ADC full-scale
range, and also allows the user to supply a buffered refer-
enced voltage for those applications requiring increased ac-
curacy. The output data format is 10-bit offset binary, or two’s
complement.
This device is available in the 28-lead TSSOP package and
will operate over the industrial temperature range of −40˚C to
+85˚C.
Features
n Single +3.0V operation
n Selectable 2.0 VP-P, 1.5 VP-P, or 1.0 VP-P full-scale input
swing
n 400 MHz −3 dB input bandwidth
n Low power consumption
n Standby mode
n On-chip reference and sample-and-hold amplifier
n Offset binary or two’s complement data format
n Separate adjustable output driver supply to
accommodate 2.5V and 3.3V logic families
n 28-pin TSSOP package
Key Specifications
n Resolution
n Conversion Rate
n Full Power Bandwidth
n DNL
n SNR (fIN = 11 MHz)
n SFDR (fIN = 11 MHz)
n Data Latency
n Supply Voltage
n Power Consumption, 40 MHz
10 Bits
40 MSPS
400 MHz
±0.3 LSB (typ)
59.6 dB (typ)
−80 dB (typ)
6 Clock Cycles
+3.0V
55.5 mW
Applications
n Ultrasound and Imaging
n Instrumentation
n Cellular Based Stations/Communications Receivers
n Sonar/Radar
n xDSL
n Wireless Local Loops
n Data Acquisition Systems
n DSP Front Ends
Connection Diagram
© 2004 National Semiconductor Corporation DS200778
20077801
www.national.com

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