ADC12D1000 Datasheet PDF - National Semiconductor
| Part Number | ADC12D1000 | |
| Description | (ADC12D1000 / ADC12D1600) 2.0/3.2 GSPS Ultra High-Speed ADC | |
| Manufacturers | National Semiconductor | |
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There is a preview and ADC12D1000 download ( pdf file ) link at the bottom of this page. Total 14 Pages | ||
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ADC12D1000/ADC12D1600
PRODUCT BRIEF
www.DataSheet4U.com
PRELIMINARY
May 18, 2010
12-Bit, 2.0/3.2 GSPS Ultra High-Speed ADC
1.0 General Description
The 12-bit, 2.0/3.2 GSPS ADC12D1000/1600 is the latest ad-
vance in National's Ultra High-Speed ADC family and builds
upon the features, architecture and functionality of the 10-bit
GHz family of ADCs.
The ADC12D1000/1600 provides a flexible LVDS interface
which has multiple SPI programmable options to facilitate
board design and FPGA/ASIC data capture. The LVDS out-
puts are compatible with IEEE 1596.3-1996 and support pro-
grammable common mode voltage.
The ADC12D1000/1600 is packaged in a leaded or lead-free
292-ball thermally enhanced BGA package over the rated in-
dustrial temperature range of -40°C to +85°C.
Notice: This document is not a full datasheet. For more
information regarding this product or to order samples
please contact your local National Semiconductor sales
office or visit http://www.national.com/support/dir.html
2.0 Applications
■ Wideband Communications
■ Data Acquisition Systems
■ RADAR/LIDAR
■ Set-top Box
■ Consumer RF
■ Software Defined Radio
3.0 Features
■ Configurable to either 2.0/3.2 GSPS interleaved or 1.0/1.6
GSPS dual ADC
■ Pin-compatible with ADC10D1000/1500
■ Internally terminated, buffered, differential analog inputs
■ Interleaved timing automatic and manual skew adjust
■ Test patterns at output for system debug
■ Programmable 15-bit gain and 12-bit plus sign offset
■ Programmable tAD adjust feature
■ 1:1 non-demuxed or 1:2 demuxed LVDS outputs
■ AutoSync feature for multi-chip systems
■ Single 1.9V ± 0.1V power supply
4.0 Key Specifications
■ Resolution
12 Bits
Interleaved 2.0/3.2 GSPS ADC
■ Noise Floor
■ IMD3
■ Noise Power Ratio
■ Power
■ Full Power Bandwidth
-147.5/-147.5 dBm/Hz (typ)
-66/-63 dBFS (typ)
52/52 dB (typ)
3.4/3.8W (typ)
2.15/2.15 GHz (typ)
Dual 1.0/1.6 GSPS ADC, Fin = 125 MHz
■ ENOB
■ SNR
■ SFDR
■ Power
■ Full Power Bandwidth
9.5/9.3 Bits (typ)
59.1/58.6 dB (typ)
70.5/68 dBc (typ)
3.4/3.8W (typ)
2.8/2.8GHz (typ)
5.0 Simplified Block Diagram
© 2010 National Semiconductor Corporation 300916
30091611
www.national.com
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Ball No.
Name
C2 VCMO
B1 VBG
C3/D3
Rext+/-
C1/D2
Rtrim+/-
E2/F3
Tdiode+/-
Equivalent Circuit
Description
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Common Mode Voltage Output or Signal
Coupling Select. If AC-coupled operation at the
analog inputs is desired, this pin should be held
at logic-low level. This pin is capable of sourcing/
sinking up to 100 µA. For DC-coupled operation,
this pin should be left floating or terminated into
high-impedance. In DC-coupled Mode, this pin
provides an output voltage which is the optimal
common-mode voltage for the input signal and
should be used to set the common-mode voltage
of the driving buffer.
Bandgap Voltage Output or LVDS Common-
mode Voltage Select. This pin provides a
buffered version of the bandgap output voltage
and is capable of sourcing/sinking 100 uA and
driving a load of up to 80 pF. Alternately, this pin
may be used to select the LVDS digital output
common-mode voltage. If tied to logic-high, the
1.2V LVDS common-mode voltage is selected;
0.8V is the default.
External Reference Resistor terminals. A 3.3 kΩ
±0.1% resistor should be connected between
Rext+/-. The Rext resistor is used as a reference
to trim internal circuits which affect the linearity of
the converter; the value and precision of this
resistor should not be compromised.
Input Termination Trim Resistor terminals. A 3.3
kΩ ±0.1% resistor should be connected between
Rtrim+/-. The Rtrim resistor is used to establish
the calibrated 100Ω input impedance of VinI,
VinQ and CLK. These impedances may be fine
tuned by varying the value of the resistor by a
corresponding percentage; however, the tuning
range and performance is not guaranteed for
such an alternate value.
Temperature Sensor Diode Positive (Anode) and
Negative (Cathode) Terminals. This set of pins is
used for die temperature measurements. It has
not been fully characterized.
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for ADC12D1000 electronic component. |
| Information | Total 14 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ ADC12D1000.PDF Datasheet ] | |
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