ADS8361IRHBR datasheet(3/23 Pages) BURR-BROWN

Part #	ADS8361IRHBR

Description	Dual, 500kSPS, 16-Bit, 2 2 Channel, Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTER

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Manufacturer	BURR-BROWN [Burr-Brown (TI)]

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ADS8361

3

SBOS230C

www.ti.com

PARAMETER

CONDITIONS

MIN

TYP(1)

MAX

UNITS

ANALOG INPUT

Full-Scale Range(2)

(FSR)

+IN – (–IN)

±V

REF

V

Operating Common-Mode Signal

2.2

2.8

V

Input Switch Resistance

–IN = VREF

20

Ω

Input Capacitance

–IN = VREF

25

pF

Input Leakage Current

–IN = VREF

±1nA

Differential Input Switch Resistance

40

Ω

Differential Input Capacitance

15

pF

Common-Mode Rejection Ratio

(CMRR)

At DC

84

dB

VIN = ±1.25Vp-p at 50kHz

80

dB

DC ACCURACY

Resolution

16

Bits

No Missing Code

(NMC)

14

Bits

Integral Linearity Error

(INL)

±3

±8

LSB(3)

Integral Linearity Match

Channel 0/1, Same A/D

4

LSB

Differential Nonlinearity

(DNL)

+1.5(4)

LSB

Bipolar Offset Error

(VOS)

±0.5

±2mV

Bipolar Offset Error Match

Channel 0/1, Same A/D

0.5

1

mV

Bipolar Offset Error Drift

(TCVOS)

0.4

ppm/

°C

Gain Error(6)

(GERR)

±0.05

±0.5

%

Gain Error Match

0.05

0.15

%

Gain Error Drift

(TCGERR)

20

ppm/

°C

Noise

60

µVrms

Power-Supply Rejection Ratio

(PSRR)

4.75V < AVDD < 5.25V, with

–70

dB

External Reference, at DC

SAMPLING DYNAMICS

Conversion Time per A/D

(tCONV)

100kHz

≤ f

CLK ≤ 10MHz

1.6

160

µs

Acquisition Time

(tAQ)fCLK = 10MHz

400

ns

Throughout Rate

500

kSPS

Aperture Delay

5ns

Aperture Delay Matching

100

ps

Aperture Jitter

50

ps

Clock Frequency

0.1

10

MHz

AC ACCURACY

Total Harmonic Distortion

(THD)

VIN = ±2.5Vp-p at 10kHz

–94

dB

Spurious-Free Dynamic Range

(SFDR)

VIN = ±2.5Vp-p at 10kHz

94

dB

Signal-to-Noise Ratio

(SNR)

VIN = ±2.5Vp-p at 10kHz

83

dB

Signal-to-Noise + Distortion

(SINAD)

VIN = ±2.5Vp-p at 10kHz

83

dB

Channel-to-Channel Isolation

VIN = ±2.5Vp-p at 10kHz

96

dB

VOLTAGE REFERENCE OUTPUT

Reference Voltage Ouput

(VOUT)

2.475

2.5

2.525

V

Initial Accuracy

±1%

Output Voltage Temperature Drift (dVOUT/dT)

±20

ppm/

°C

Output Voltage Noise

f = 0.1Hz to 10Hz, CL = 10µF10

µVp-p

f = 10Hz to 10kHz, CL = 10µF12

µVrms

Power-Supply Rejection Ratio

(PSRR)

60

dB

Output Current

(IOUT)10

µA

Short-Circuit Current

(ISC)

0.5

mA

Turn On Settling Time

to 0.1% at CL = 0

100

µs

VOLTAGE REFERENCE INPUT

Reference Voltage Input

(VIN)

1.2

2.5

2.6

V

Reference Input Resistance

100

M

Ω

Reference Input Capacitance

5pF

Reference Input Current

1

µA

ELECTRICAL CHARACTERISTICS

Over recommended operating free-air temperature range at –40

°C to 85°C, AV

DD = 5V, BVDD = 3V, VREF = internal +2.5V, fCLK = 10MHz, and fSAMPLE = 500 kSPS,

unless otherwise noted.

NOTES: (1) All Values are at TA = 25°C. (2) Ideal input span; does not include gain or offset error. (3) LSB means Least Significant Bit, with VREF equal to +2.5V;

1LSB = 76

µV. (4) Specified for 14-bit no missing code. (5) Specified for 15-bit no missing code. (6) Measured relative to an ideal, full-scale input (+IN – (–IN)) of

4.9999V. Thus, gain error does not include the error of the internal voltage reference.

ADS8361

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ADS8361IRHBR Datasheet(PDF) 3 Page - Burr-Brown (TI)

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