AD1555BPRL datasheet(3/24 Pages) AD

Nome de Peças	AD1555BPRL

Descrição Electrónicos	24-Bit ADC WITH LOW NOISE PGA

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Fabricante Electrônico	AD [Analog Devices]

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REV. B

–3–

AD1555/AD1556

AD1556–SPECIFICATIONS

AD1556AS

Parameter

Notes

Min

Typ

Max

Unit

FILTER PERFORMANCES

Pass-Band Ripple

–0.05

+0.05

dB

Stop-Band Attenuation

All Filters Except FO =16 kHz

–135

dB

FO =16 kHz

–86

dB

Filters Characteristics

See Table II

DIGITAL INPUTS OUTPUTS

VIL

–0.3

+0.8

V

VIH

+2.0

VL + 0.3

V

IIL

–10

+10

µA

IIH

–10

+10

µA

VOL

ISINK = +2 mA

+0.5

V

VOH

ISOURCE = –2 mA

VL – 0.6

V

POWER SUPPLIES

Specified Performance

VL

2.85

5.25

V

Quiescent Currents

I(VL)

45

mA

Power Dissipation

VL = 3.3 V, FO = 1 kHz

6.2

8.5

mW

In Power-Down Mode

70

µW

TEMPERATURE RANGE

*

Specified Performance, TMIN to TMAX

–55

+85

°C

*Contact factory for extended temperature range.

Specifications subject to change without notice.

AD1555BP

AD1555AP

Parameter

Notes

Min

Typ

Max

Min

Typ

Max

Unit

POWER SUPPLIES

Recommended Operating Conditions

+VA

4.75

5

5.25

4.75

5

5.25

V

–VA

–5.25

–5

–4.75

–5.25

–5

–4.75

V

VL

4.75

5

5.25

4.75

5

5.25

V

Quiescent Currents

I(+VA)

10

810

8

10

mA

I(–VA)

10

8

9.5

8

9.5

mA

I(VL)

30

42

30

42

µA

Power Dissipation

10

77

96

77

96

mW

PGA in Standby Mode

11

56

70

56

70

mW

In Power-Down Mode

11, 12

Reference Input = 3 V

650

µW

Reference Input = 0 V

250

µW

NOTES

1Tested at the output word rate F

O = 1 kHz. FO is the AD1556 output word rate, the inverse of the sampling rate. See Tables I, Ia, Ib for other output

word rates.

2Tested with a full-scale input signal at approximately 24 Hz.

3This parameter is guaranteed by design.

4Tested at the output word rate F

O = 1 kHz with input signals of 30 Hz and 50 Hz, each 6 dB down full scale.

5This specification is for the AD1555 only and does not include the errors from external components as, for instance, the external reference.

6This offset specification is referred to the modulator output.

7Characterized with a 100 mV p-p sine wave applied separately to each supply.

8Contact factory for extended temperature range.

9Recommended Reference: AD780BR.

10Specified with analog inputs grounded.

11See Table III for configuration conditions.

12Specified with MCLK input grounded.

Specifications subject to change without notice.

(VL = 2.85 V to 5.25 V; CLKIN = 1.024 MHz; TA = TMIN to TMAX unless otherwise noted.)

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