AD7951BSTZ Ver la hoja de datos (PDF) - Analog Devices

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AD7951BSTZ

14-Bit, 1 MSPS, Unipolar/Bipolar Programmable Input PulSAR® ADC

Analog Devices 

Data Sheet

AD7951

SPECIFICATIONS

AVDD = DVDD = 5 V; OVDD = 2.7 V to 5.5 V; VCC = 15 V; VEE = −15 V; VREF = 5 V; all specifications TMIN to TMAX, unless otherwise noted.

Table 2.

Parameter

RESOLUTION

ANALOG INPUT

Voltage Range, VIN

Analog Input CMRR

Input Current

Input Impedance

THROUGHPUT SPEED

Complete Cycle

Throughput Rate

Time Between Conversions

Complete Cycle

Throughput Rate

Complete Cycle

Throughput Rate

DC ACCURACY

Integral Linearity Error2

No Missing Codes2

Differential Linearity Error2

Transition Noise

Zero Error (Unipolar or Bipolar)

Zero Error Temperature Drift

Full-Scale Error (Unipolar or Bipolar)

Full-Scale Error Temperature Drift

Power Supply Sensitivity

AC ACCURACY

Dynamic Range

Signal-to-Noise Ratio

Signal-to-(Noise + Distortion) (SINAD)

Total Harmonic Distortion

Spurious-Free Dynamic Range

–3 dB Input Bandwidth

Aperture Delay

Aperture Jitter

Transient Response

INTERNAL REFERENCE

Output Voltage

Temperature Drift

Line Regulation

Long-Term Drift

Turn-On Settling Time

Conditions/Comments

VIN+ − VIN− = 0 V to 5 V

VIN+ − VIN− = 0 V to 10 V

VIN+ − VIN− = ±5 V

VIN+ − VIN− = ±10 V

VIN− to AGND

fIN = 100 kHz

VIN = ±5 V, ±10 V @ 1 MSPS

See the Analog Inputs section

In warp mode

In warp mode

In warp mode

In normal mode

In normal mode

In impulse mode

In impulse mode

AVDD = 5 V ± 5%

fIN = 2 kHz, −60 dB

fIN = 2 kHz

fIN = 20 kHz

fIN = 2 kHz

fIN = 2 kHz

fIN = 2 kHz

VIN = 0 V to 5 V

Full-scale step

PDREF = PDBUF = low

REF @ 25°C

–40°C to +85°C

AVDD = 5 V ± 5%

1000 hours

CREF = 22 μF

Min

14

−0.1

−0.1

−5.1

−10.1

−0.1

1

0

0

−1

14

−1

−15

−20

84.5

84.5

83

4.965

Typ Max

+5.1

+10.1

+5.1

+10.1

+0.1

75

3001

1

1

1

1.25

800

1.49

670

±0.3 +1

+1

0.55

+15

±1

+20

±1

±0.8

85.5

85.5

85.5

85.4

−105

102

45

2

5

500

5.000

±3

±15

50

10

5.035

Unit

Bits

V

V

V

V

V

dB

μA

μs

MSPS

ms

μs

kSPS

μs

kSPS

LSB3

Bits

LSB

LSB

LSB

ppm/°C

LSB

ppm/°C

LSB

dB4

dB

dB

dB

dB

dB

MHz

ns

ps rms

ns

V

ppm/°C

ppm/V

ppm

ms

Rev. A | Page 3 of 32

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