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AD7612BCPZ

16-Bit, 750 kSPS, Unipolar/Bipolar Programmable Input PulSAR® ADC

Analog Devices 

AD7612

Parameter

REFERENCE BUFFER

REFBUFIN Input Voltage Range

EXTERNAL REFERENCE

Voltage Range

Current Drain

TEMPERATURE PIN

Voltage Output

Temperature Sensitivity

Output Resistance

DIGITAL INPUTS

Logic Levels

VIL

VIH

IIL

IIH

DIGITAL OUTPUTS

Data Format

Pipeline Delay6

VOL

VOH

POWER SUPPLIES

Specified Performance

AVDD

DVDD

OVDD

VCC

VEE

Operating Current8, 9

AVDD

With Internal Reference

With Internal Reference Disabled

DVDD

OVDD

VCC

VEE

Power Dissipation

With Internal Reference

With Internal Reference Disabled

In Power-Down Mode10

TEMPERATURE RANGE11

Specified Performance

Conditions/Comments

PDREF = high

PDREF = PDBUF = high

REF

750 kSPS throughput

@ 25°C

Min

Typ Max

Unit

2.4

2.5

2.6

V

4.75

5

AVDD + 0.1 V

250

μA

311

mV

1

mV/°C

4.33

kΩ

Parallel or serial 16-bit

ISINK = 500 μA

ISOURCE = –500 μA

−0.3

2.1

−1

−1

OVDD − 0.6

+0.6

V

OVDD + 0.3 V

+1

μA

+1

μA

0.4

V

V

@ 750 kSPS throughput

4.757

5

5.25

V

4.75

5

5.25

V

2.7

5.25

V

7

15

15.75

V

−15.75

−15

0

V

VCC = 15 V, with internal reference buffer

VCC = 15 V

VEE = −15 V

@ 750 kSPS throughput

PDREF = PDBUF = low

PDREF = PDBUF = high

PD = high

19.5

mA

18

mA

6.5

mA

0.5

mA

3

mA

2.3

mA

2

mA

205

230

mW

190

210

mW

10

μW

TMIN to TMAX

−40

+85

°C

1 With VIN = 0 V to 5 V or 0 V to 10 V ranges, the input current is typically 70 μA. In all input ranges, the input current scales with throughput. See the Analog Inputs section.

2 All specified performance is guaranteed up to 750 kSPS throughout, however throughputs up to 900 kSPS can be used with some linearity performance degradation.

3 Linearity is tested using endpoints, not best fit. All linearity is tested with an external 5 V reference.

4 LSB means least significant bit. All specifications in LSB do not include the error contributed by the reference.

5 All specifications in decibels are referred to a full-scale range input, FSR. Tested with an input signal at 0.5 dB below full-scale, unless otherwise specified.

6 Conversion results are available immediately after completed conversion.

7 4.75 V or VREF – 0.1 V, whichever is larger.

8 Tested in parallel reading mode.

9 With internal reference, PDREF = PDBUF = low; with internal reference disabled, PDREF = PDBUF = high. With internal reference buffer, PDBUF = low.

10 With all digital inputs forced to OVDD.

11 Consult sales for extended temperature range.

Rev. 0 | Page 4 of 32

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