ADS6445MRGCTEP - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ADS6445MRGCTEP
Manufacturer

TI
ChipWorker Part#

CW98857058
Category

Analog to Digital, ADC IC
Package

VQFN-64
Description

Quad ADC Pipelined 125MSPS 14Bit Serial (1-Wire, 2-Wire)/LVDS 64Pin VQFN EP T/R
Documentation

Datasheet

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ADS6445MRGCTEP Specifications

Attribute	Attribute Value

Part Number	ADS6445MRGCTEP
Manufacturer	TI
ChipWorker Part#	CW98857058
Category	Analog to Digital, ADC IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	64 Pin
Case/Package	VQFN-64
Supply Voltage (DC)	3.00V (min)
Supply Current	155 µA
Number of Circuits	4 Circuit
Number of Bits	14 Bit
Power Dissipation	1800 W
Power Consumption	1.68 W
Number of ADCs	4 ADC
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-55 ℃
Number of Input Channels	4 Channel
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Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Contains Lead

Product Description

The ADS6445/ADS6444 is a high performance 14 bit 125/105 MSPS quad channel A-D converter. Serial LVDS data outputs reduce the number of interface lines, resulting in a compact 64-pin QFN package (9 mm × 9 mm) that allows for high system integration density. The device includes 3.5 dB coarse gain option that can be used to improve SFDR performance with little degradation in SNR. In addition to the coarse gain, fine gain options also exist, programmable in 1 dB steps up to 6 dB.
The output interface is 2-wire, where each ADC data is serialized and output over two LVDS pairs. This makes it possible to halve the serial data rate (compared to a 1-wire interface) and restrict it to less than 1 Gbps easing receiver design. The ADS644X also includes the traditional 1-wire interface that can be used at lower sampling frequencies.
An internal phase lock loop (PLL) multiplies the incoming ADC sampling clock to derive the bit clock. The bit clock is used to serialize the 14 bit data from each channel. In addition to the serial data streams, the frame and bit clocks also are transmitted as LVDS outputs.
The LVDS output buffers have features such as programmable LVDS currents, current doubling modes and internal termination options. These can be used to widen eye openings and improve signal integrity, easing capture by the receiver.
The ADC channel outputs can be transmitted either as MSB or LSB first and 2s complement or straight binary.
The ADS644X has internal references, but also can support an external reference mode. The device is specified over –55°C to 125°C operating junction temperature range.

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