AFE5805 Status: ACTIVE

8-Channel Analog Front-End for Ultrasound

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Datasheet

Fully-Integrated, 8-Ch Analog Front-End for Ultrasound 0.85nV/√Hz, 12-Bit, 122mW (Rev. C) (PDF 761 KB) 6919 views
24 Oct 2008

	AFE5801	AFE5804	AFE5805	AFE5851
Input Voltage Noise(Typ)(nV/rtHz)	5.5	1.23	0.85	5.5
Input Range(Typ)(mVpp)	2000	280	250	1000
Power Dissipation(Typ)(mW)	58	101	122	39
Gain Control Range(Typ)(dB)	36	46	46	36
Total Max Gain(Typ)(dB)	31	49	50	31
HD2 Distortion(Typ)(dB)	-75	-45	-45	-55
Overload Recovery(clock cycle)	1	1	1	1
Gain Error(Typ)(dB)	+/-0.5	+/-0.5	+/- 0.5	+/-0.5
Resolution(Bits)	12	12	12	12
Number of Channels	8	8	8	16
	Samples	Samples	Samples	Samples
	Inventory	Inventory	Inventory	Inventory

Customers Who Evaluated This Product Also Evaluated

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Product Information

Features

8-Channel Complete Analog Front-End:
- LNA, VCA, PGA, LPF, and ADC
Ultra-Low, Full-Channel Noise:
- 0.85nV/√Hz (TGC)
- 1.1nV/√Hz (CW)
Low Power:
- 122mW/Channel (40MSPS)
- 74mW/Channel (CW Mode)
Low-Noise Pre-Amp (LNA):
- 0.75nV/√Hz
- 20dB Fixed Gain
- 250mV_PP Linear Input Range
Variable-Gain Amplifier:
- Gain Control Range: 46dB
PGA Gain Settings: 20dB, 25dB, 27dB, 30dB
Low-Pass Filter:
- Selectable BW: 10MHz, 15MHz
- 2nd-Order
Gain Error: ±0.5dB
Channel Matching: ±0.25dB
Distortion, HD2: -65dBFS at 5MHz
Clamping Control
Fast Overload Recovery: Two Clock Cycles
12-Bit Analog-to-Digital Converter:
- 10MSPS to 50MSPS
- 69.5dB SNR at 10MHz
- Serial LVDS Interface
Integrated CW Switch Matrix
15mm × 9mm, 135-BGA Package:
- Pb-Free (RoHS-Compliant) and Green
APPLICATIONS
- Medical Imaging, Ultrasound
  - Portable Systems

Infineon Is a trademark of Texas Instruments.
All other trademarks are the property of their respective owners

Description

The AFE5805 is a complete analog front-end device specifically designed for ultrasound systems that require low power and small size.

The AFE5805 consists of eight channels, including a low-noise amplifier (LNA), voltage-controlled attenuator (VCA), programmable gain amplifier (PGA), low-pass filter (LPF), and a 12-bit analog-to-digital converter (ADC) with low voltage differential signaling (LVDS) data outputs.

The LNA gain is set for 20dB gain, and has excellent noise and signal handling capabilities, including fast overload recovery. VCA gain can vary over a 46dB range with a 0V to 1.2V control voltage common to all channels of the AFE5805.

The PGA can be programmed for gains of 20dB, 25dB, 27dB, and 30dB. The internal low-pass filter can also be programmed to 10MHz or 15MHz.

The LVDS outputs of the ADC reduce the number of interface lines to an ASIC or FPGA, thereby enabling the high system integration densities desired for portable systems. The ADC can either be operated with internal or external references. The ADC also features a signal-to-noise ratio (SNR) enhancement mode that can be useful at high gains.

The AFE5805 is available in a 15mm × 9mm, 135-ball BGA package that is Pb-free (RoHS-compliant) and green. It is specified for operation from 0°C to +70°C.

Pricing / Packaging / CAD Design Tools / Samples

			Price	Packaging		Samples
Device	Status	Temp (^oC)	Price \| Quantity	Package \| Pins	Package QTY \| Package Carrier	Samples
AFE5805ZCF	ACTIVE	0 to 70	50.70 \| 1ku	BGA (ZCF) \| 135	160 \| JEDEC TRAY (10+1)

* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

Inventory

	TI Inventory Status	Reported Distributor Inventory
AFE5805ZCF	As of 8:09 PM GMT, 02 Jul 2009	As of 8:09 PM GMT, 02 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	Call**	Americas	DigiKey	334
			Mouser Electronics	111
			Newark	138
View all Distributors

** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.

Quality & Lead (Pb)-Free Data

	Product Content				DPPM / MTBF / FIT Rate
Device	Eco Plan*	Lead / Ball Finish	MSL Rating / Peak Reflow	Details	Details
AFE5805ZCF	Green (RoHS & no Sb/Br)	SNAGCU	Level-3-260C-168 HR	View	View

* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.

If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.

Technical Documents

Most useful technical documents for AFE5805

Datasheet

Fully-Integrated, 8-Ch Analog Front-End for Ultrasound 0.85nV/√Hz, 12-Bit, 122mW (Rev. C) (PDF 761 KB) 6919 views
24 Oct 2008

User Guides

AFE5805EVM (Rev. A) (HTM 8 KB) 1416 views
29 May 2008 Read Abstract
TSW1250EVM: High-Speed LVDS Deserializer and Analysis System (Rev. A) (PDF 6782 KB) 136 views
30 Apr 2009

More Literature

AFE5805 video cast for leadership campaign [WMV] (WMV 10673 KB) 320 views
17 Mar 2008
TSW1250 EVM Installer V1.03 (Rev. B) (ZIP 134164 KB) 33 views
18 May 2009
AFE5805 EVM software (ZIP 29637 KB) 279 views
07 Mar 2008

View More Literature for Imaging

Tools & Software

Name	Part #	Company	Tool / Software Type
8-Channel Serial LVDS Deserializer	ADSDESER-50EVM	Texas Instruments	Development Boards/EVMs
AFE5805EVM Evaluation Module	AFE5805EVM	Texas Instruments	Development Boards/EVMs
TSW1250EVM High-Speed LVDS Deserializer and Analysis System	TSW1250EVM	Texas Instruments	Development Boards/EVMs

Part #	Name	Product Family	Comments
AFE5804	8-Channel Analog Front-End for Ultrasound		The device has the SAME FUNCTIONALITY and PINOUT as the compared device but is NOT an exact equivalent. Same functionality and pinout to AFE5805 with lower power at 102 mW/Ch
TX734	Quad Channel, 3-Level RTZ, ±75-V, 2-A Integrated Ultrasound Pulser	SWITCHES AND MULTIPLEXERS - ANALOG SWITCHES/MULTIPLEXERS (greater than 5V)	Pulser for Ultrasound Systems
Customers Who Evaluated This Product Also Evaluated...
AFE5804	8-Channel Analog Front-End for Ultrasound		TI customers also evaluated this product.
AFE5801	8-channel VGA with ADC		TI customers also evaluated this product.
AFE5851	16-channel VGA with ADC		TI customers also evaluated this product.
ADS1100	Self-Calibrating, 16-Bit Analog-to-Digital Converter	DATA CONVERTERS-ANALOG TO DIGITAL CONVERTERS	TI customers also evaluated this product.
CD74HC4051	High Speed CMOS 8-Channel Analog Multiplexer/Demultiplexer	SIGNAL SWITCHES-ANALOG SWITCHES AND MULTIPLEXERS (less than or equal to 5V)	TI customers also evaluated this product.
TPS62110	Adjustable, 1.5-A, 17-V Vin Step-Down Converter in QFN-16	DC/DC CONVERTERS (INTEGRATED SWITCH)-STEP-DOWN REGULATORS	TI customers also evaluated this product.
TMP100	Digital Temperature Sensor with I2C Serial Interface	TEMPERATURE SENSORS AND CONTROL ICs-TEMPERATURE SENSORS	TI customers also evaluated this product.
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SN74LVC1G04	Single Inverter	LITTLE LOGIC-SINGLE-GATES	TI customers also evaluated this product.
TX734	Quad Channel, 3-Level RTZ, ±75-V, 2-A Integrated Ultrasound Pulser	SWITCHES AND MULTIPLEXERS-ANALOG SWITCHES/MULTIPLEXERS (greater than 5V)	TI customers also evaluated this product.
SN75176B	Differential Bus Transceiver	INTERFACE-RS-485	TI customers also evaluated this product.
ADS1278	Octal, 128kHz, Simultaneous Sampling 24-Bit Delta Sigma ADC	DATA CONVERTERS-ANALOG TO DIGITAL CONVERTERS	TI customers also evaluated this product.
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AFE5805 Status: ACTIVE

8-Channel Analog Front-End for Ultrasound

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