ADS1208 Status: ACTIVE

10MHz Modulator with built in current excitation for Hall sensors

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Datasheet

2nd-Order Delta-Sigma Modulator with Excitation for Hall Elements (Rev. A) (PDF 550 KB)
30 Mar 2005

	ADS1201	ADS1202	ADS1203	ADS1204	ADS1205	ADS1208
Resolution(Bits)	24	16	16	16	16	16
Sample Rate (max)	1kSPS	40kSPS	40kSPS	40kSPS	40kSPS	40kSPS
Architecture	Delta-Sigma,Modulator	Delta-Sigma,Modulator	Delta-Sigma,Modulator	Delta-Sigma,Modulator	Delta-Sigma,Modulator	Delta-Sigma,Modulator
Power Consumption(Typ)(mW)	25	30	33	122	59	64
SINAD(dB)		70	85	89	89	81.5
SNR(dB)		70.5	85	89	89	82
SFDR(dB)		84	95	100	100	93
DNL(Max)(+/-LSB)	1	1	1	1	1	1
INL(Max)(+/-LSB)	0.0015%	0.005%	0.001%	0.001%	0.002%	0.0025%
No Missing Codes(Bits)	24	16	16	16	16	16
ENOB(Bits)	20	12	16	14.5	14.5	13.2
No. of Supplies	1	1	1	2	2	2
Analog Voltage AV/DD(Min)(V)	4.75	4.75	4.5	4.5	4.5	4.5
Analog Voltage AV/DD(Max)(V)	5.25	5.25	5.5	5.5	5.5	5.5
Logic Voltage DV/DD(Min)(V)	4.75	4.75	4.5	2.7	2.7	2.7
Logic Voltage DV/DD(Max)(V)	5.25	5.25	5.5	5.5	5.5	5.5
Input Configuration Range	Vref	320mV	250mV	Vref	Vref	100mV
Reference Mode	Int and Ext	Int	Int	Int and Ext	Int and Ext	Int and Ext
Rating	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog
Pin/Package	16SOIC	8TSSOP	16QFN, 8TSSOP	32QFN	24VQFN	16TSSOP
Comments	frequency: 320 kHz	frequency: 10 MHz
# Input Channels	1	1	1	4	2	1
	Samples	Samples	Samples	Samples	Samples	Samples
	Inventory	Inventory	Inventory	Inventory	Inventory	Inventory

Customers Who Evaluated This Product Also Evaluated

ADS1202: Current Shunt Delta-Sigma Modulator, 10MHz CLK, +/-250mV Input, 16-Bit Resolution
ADS1205: Two 1-Bit, 10MHz, 2nd-Order, Delta-Sigma Modulator A-to-D Converter
ADS1203: Current shunt Delta-Sigma Modulator, 10MHz CLK, +/-250mV input, 16-Bit resolution

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Product Information

Features

±100mV Specified Input Range
±125mV Full-Scale Range
95dB typ. CMR, 82dB typ. SNR
Adjustable Current Output for Sensor Biasing
Digital Output Compatible to ADS1202/03
Differential Digital Outputs
Separate 2.7V to 5.5V Digital Supply Pin
APPLICATIONS
- Motor Control
- Current Measurement
- Hall Sensors
- Bridge Sensors
- Instrumentation

Description

The ADS1208 is a 2nd-order

Pricing / Packaging / CAD Design Tools / Samples

			Price	Packaging			CAD Design Tools		Samples
Device	Status	Temp (^oC)	Price \| Quantity	Package \| Pins	Top Side Marking	Package QTY \| Package Carrier	Symbols	Footprints	Samples
ADS1208IPW	ACTIVE	-40 to 85	4.10 \| 1ku	TSSOP (PW) \| 16	View	90 \| TUBE
ADS1208IPWG4	ACTIVE	-40 to 85	4.10 \| 1ku	TSSOP (PW) \| 16	View	90 \| TUBE
ADS1208IPWR	ACTIVE	-40 to 85	3.70 \| 1ku	TSSOP (PW) \| 16	View	2000 \| LARGE T&R	Purchase Samples
ADS1208IPWRG4	ACTIVE	-40 to 85	3.70 \| 1ku	TSSOP (PW) \| 16	View	2000 \| LARGE T&R	Purchase Samples

* 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

Reported Distributor Inventory as of 12:19 PM GMT, 22 Nov 2009
Region	Company	In Stock	Purchase
TI Lead Time*: 20 WeeksADS1208IPW
Americas	Newark	90
Americas	Rochester Electronics	135
Worldwide	DigiKey	242
Worldwide	Mouser Electronics	88
TI Lead Time*: 20 WeeksADS1208IPWG4
Worldwide	DigiKey	Available
TI Lead Time*: 20 WeeksADS1208IPWR
Worldwide	DigiKey	Available
TI Lead Time*: 20 WeeksADS1208IPWRG4
Worldwide	DigiKey	Available
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
ADS1208IPW	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
ADS1208IPWG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
ADS1208IPWR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
ADS1208IPWRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	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 ADS1208

Reference Designs

Description	Part #	Company
ADS1202 Reference Design	ADS1202REF	Texas Instruments

Tools & Software

Name	Part #	Company	Tool / Software Type
Anti-Aliasing Calculation Tool for A to D Converters	ANTIALIASINGCALC	Texas Instruments	Calculation Utilities
Op Amp to ADC Circuit Topology Calculator	ADC-INPUT-CALC	Texas Instruments	Calculation Utilities

Part #	Name	Product Family	Comments
ADS1201	High Dynamic Range Delta-Sigma Modulator	DATA CONVERTERS - ANALOG TO DIGITAL CONVERTER	The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device.
ADS1202	Current Shunt Delta-Sigma Modulator, 10MHz CLK, +/-250mV Input, 16-Bit Resolution	DATA CONVERTERS - ANALOG TO DIGITAL CONVERTER	The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device.
ADS1205	Two 1-Bit, 10MHz, 2nd-Order, Delta-Sigma Modulator A-to-D Converter	DATA CONVERTERS - ANALOG TO DIGITAL CONVERTER	The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device.
ADS1203	Current shunt Delta-Sigma Modulator, 10MHz CLK, +/-250mV input, 16-Bit resolution	DATA CONVERTERS - ANALOG TO DIGITAL CONVERTER	The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device.
ADS1204	Four Delta-Sigma Modulators, 10MHz CLK, 0-5V Input, 16-Bit Resolution	DATA CONVERTERS - ANALOG TO DIGITAL CONVERTER	The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device.
OPA365	2.2V, 50MHz, Low-Noise, Single-Supply Rail-to-Rail Operational Amplifier	PRECISION AMPLIFIER - LOW OFFSET VOLTAGE	OPERATIONAL AMPLIFIER
OPA333	1.8V, 17uA, 2uV, microPOWER CMOS Zero-Drift Series Operational Amplifier	PRECISION AMPLIFIER - LOW OFFSET VOLTAGE	OPERATIONAL AMPLIFIER
REF5025	Low Noise, Very Low Drift, Precision Voltage Reference	VOLTAGE REFERENCE - SERIES VOLTAGE REFERENCE	SERIES VOLTAGE REFERENCE
AMC1210	4 Channel Digital Filter for ADS120X family of modulators	DATA CONVERTERS - ANALOG TO DIGITAL CONVERTER	CURRENT SHUNT MONITOR
Customers Who Evaluated This Product Also Evaluated...
ADS1202	Current Shunt Delta-Sigma Modulator, 10MHz CLK, +/-250mV Input, 16-Bit Resolution	DATA CONVERTERS-ANALOG TO DIGITAL CONVERTER	TI customers also evaluated this product.
ADS1205	Two 1-Bit, 10MHz, 2nd-Order, Delta-Sigma Modulator A-to-D Converter	DATA CONVERTERS-ANALOG TO DIGITAL CONVERTER	TI customers also evaluated this product.
ADS1203	Current shunt Delta-Sigma Modulator, 10MHz CLK, +/-250mV input, 16-Bit resolution	DATA CONVERTERS-ANALOG TO DIGITAL CONVERTER	TI customers also evaluated this product.
AMC1203	1-Bit, 10MHz, 2nd-Order, Isolated Delta-Sigma Modulator	DATA CONVERTERS-ANALOG TO DIGITAL CONVERTER	TI customers also evaluated this product.
ADS1201	High Dynamic Range Delta-Sigma Modulator	DATA CONVERTERS-ANALOG TO DIGITAL CONVERTER	TI customers also evaluated this product.
ADS1204	Four Delta-Sigma Modulators, 10MHz CLK, 0-5V Input, 16-Bit Resolution	DATA CONVERTERS-ANALOG TO DIGITAL CONVERTER	TI customers also evaluated this product.

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ADS1208 Status: ACTIVE

10MHz Modulator with built in current excitation for Hall sensors

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