®

ADS7833

2

RESOLUTION

12

Bit

ANALOG INPUT

Full Scale Voltage, Differential

G = 1.0V/V

±2.5

V

G = 1.25V/V

±2.0

V

G = 2.5V/V

±1.0

V

G = 5.0V/V

±0.5

V

Common-Mode Voltage

±0.5

See Table VII

V

Impedance

Ω

Capacitance

20

pF

THROUGHPUT SPEED

Conversion Time

CLK = 2.1MHz

6.1

µs

Complete Cycle

Acquire and Convert

6.6

µs

Throughput Rate

150

200

kHz

SAMPLING DYNAMICS

S/H Droop Rate

0.1

µV/µs

S/H Acquisition Time

0.5

µs

S/H Aperture Delay

50

ns

S/H Aperture Jitter

50

ps

Sampling Skew, Channel-to-Channel

3ns

DC ACCURACY

Integral Linearity - ADC

±0.5

±2

LSB

Differential Linearity - ADC

±0.5

LSB

No Missing Codes

12

Bits

Integral Linearity - Asynchronous, Synchronous

0.5

±3

LSB

Differential Linearity - Asynchronous, Synchronous

0.5

±3

LSB

Full Scale Error

G = 1.0V/V

2

% of FSR

Full Scale Error Other Gains

4

% of FSR

Full Scale Error Drift

G = 1.0V/V

±10

±100

ppm/

°C

G = 2.5V/V

±10

±100

ppm/

°C

Zero Error - ADC

G = 1.0V/V

±0.5

±15

LSB

Zero Error - Asynchronous, Synchronous

G = 1.0V/V

±0.5

±20

LSB

Zero Error Drift

G = 1.0V/V

±0.5

ppm/

°C

AC ACCURACY

Total Harmonic Distortion

92

dB

72

dB

CMR

40

dB

REFERENCE

Internal Reference Voltage

2.5

V

Internal Reference Accuracy

±0.25

%

Internal Reference Drift

±10

ppm/

°C

Internal Reference Source Current

10

µA

External Reference Voltage Range

2.25

2.5

2.75

V

for Specified Linearity

External Reference Current Drain

10

µA

DIGITAL INPUTS

Logic Levels

0

1.5

V

+3.5

+5

V

±10

µA

±10

µA

Input Capacitance

At All Digital Input Pins

15

pF

DIGITAL OUTPUTS

Data Format

12-Bit Serial

Data Coding

BTC

0

0.4

V

4.2

5

V

Leakage Current

±5

µA

Output Capacitance

At All Digital Output Pins

15

pF

SPECIFICATIONS

ANALOG-TO-DIGITAL CONVERTER CHANNELS

ADS7833N

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes

no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change

without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant

any BURR-BROWN product for use in life support devices and/or systems.