AD9670BBCZ - ADI

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

Part No

AD9670BBCZ
Manufacturer

ADI
ChipWorker Part#

CW788450
Category

Interface IC, Interface Controller
Package

LFBGA-144
Description

AFE 8ADC 14Bit 144Pin CSP-BGA Tray
Documentation

Datasheet

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AD9670BBCZ Specifications

Attribute	Attribute Value

Part Number	AD9670BBCZ
Manufacturer	ADI
ChipWorker Part#	CW788450
Category	Interface IC, Interface Controller
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	144 Pin
Case/Package	LFBGA-144
Power Rating	150 mW
Number of Channels	8 Channel
Number of Positions	144 Position
Number of Bits	14 Bit
Number of ADCs	8 ADC
	expand all
Size-Length	10 mm
Size-Width	10 mm
Product Lifecycle Status	Active
Packaging	Tray
RoHS	RoHS Compliant
Lead-Free Status	Contains Lead
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2016/06/20
ECCN Code	EAR99

Product Description

Product Details
The AD9670 is designed for low cost, low power, small size, and ease of use for medical ultrasound applications. It contains eight channels of a VGA with an LNA, a CW harmonic rejection I/Q demodulator with programmable phase rotation, an antialiasing filter, an ADC, and a digital demodulator and decimator for data processing and bandwidth reduction.
Each channel features a maximum gain of up to 52 dB, a fully differential signal path, and an active input preamplifier termination. The channel is optimized for high dynamic performance and low power in applications where a small package size is critical.
The LNA has a single-ended-to-differential gain that is selectable through the serial port interface (SPI). Assuming a 15 MHz noise bandwidth (NBW) and a 21.6 dB LNA gain, the LNA input SNR is 94 dB. In CW Doppler mode, each LNA output drives an I/Q demodulator that has independently programmable phase rotation with 16 phase settings.
Power-down of individual channels is supported to increase battery life for portable applications. Standby mode allows quick power-up for power cycling. In CW Doppler operation, the VGA, antialiasing filter, and ADC are powered down. The ADC contains several features designed to maximize flexibility and minimize system cost, such as a programmable clock, data alignment, and programmable digital test pattern generation. The digital test patterns include built-in fixed patterns, built-in pseudorandom patterns, and custom user-defined test patterns entered via the SPI.
Applications
Medical imaging/ultrasound
Nondestructive testing (NDT)
### Features and Benefits
8 channels of LNA, VGA, antialiasing filter, ADC, and digital demodulator/decimator
Low power
150 mW per channel, time gain compensation (TGC) mode, 40 MSPS
62.5 mW per channel, continuous wave (CW) mode; <30 mW in power-down mode
10 mm × 10 mm, 144-ball CSP_BGA
TGC channel, input referred noise voltage: 0.82 nV/√Hz, maximum gain
Flexible power-down modes
Fast recovery from low power standby mode: <2 μs
Low noise preamplifier (LNA)
Input noise voltage: 0.78 nV/√Hz, gain = 21.6 dB
Programmable gain: 15.6 dB/17.9 dB/21.6 dB
0.1 dB input compression point: 1.00 V p-p/0.75 V p-p/ 0.45 V p-p
Flexible active input impedance matching
See data sheet for additional features

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