Datasheet > AD1555_15

AD1555_15

更新时间： 2022-02-26 13:16:07

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
24页	435K
描述
24-Bit ADC with Low Noise PGA

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数据手册

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AD1555_15 数据手册

AD1555/AD1556

AD1555AP

AD1555BP

Typ

Parameter

Notes

Min

Max

Min

Typ

Max

Unit

POWER SUPPLIES

Recommended Operating Conditions

+V_A

–V_A

V_L

4.75

–5.25 –5

4.75

5.25

–4.75

5.25

4.75

–5.25 –5

4.75

5.25

–4.75

5.25

Quiescent Currents

I(+V_A)¹⁰

9.5

µA

I(–V_A)¹⁰

I(V_L)

Power Dissipation¹⁰

PGA in Standby Mode¹¹

In Power-Down Mode^{11, 12}

Reference Input = 3 V

Reference Input = 0 V

650

250

650

250

µW

NOTES

¹Tested at the output word rate F_O= 1 kHz. F_Ois 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.

(V = 2.85 V to 5.25 V; CLKIN = 1.024 MHz; T = T_MINto T_MAXunless otherwise noted.)

AD1556–SPECIFICATIONS

AD1556AS

Typ

Parameter

Notes

Min

Max

Unit

FILTER PERFORMANCES

Pass-Band Ripple

Stop-Band Attenuation

–0.05

+0.05

–135

–86

All Filters Except F_O=16 kHz

F_O=16 kHz

Filters Characteristics

See Table II

DIGITAL INPUTS OUTPUTS

V_IL

V_IH

I_IL

I_IH

V_OL

V_OH

–0.3

+2.0

–10

+0.8

V_L+ 0.3

+10

+0.5

µA

–10

I_SINK= +2 mA

I_SOURCE= –2 mA

V_L– 0.6

2.85

POWER SUPPLIES

Specified Performance

V_L

5.25

Quiescent Currents

I(V_L)

Power Dissipation

6.2

8.5

µW

V_L= 3.3 V, F_O= 1 kHz

In Power-Down Mode

TEMPERATURE RANGE^*

Specified Performance, T_MINto T_MAX

–55

+85

°C

^*Contact factory for extended temperature range.

Specifications subject to change without notice.

–3–

REV. B

1 234 5 6 7...24

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