ADAQ23876BBCZ datasheet(6/37 Pages) AD

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Data Sheet

ADAQ23876

SPECIFICATIONS

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Rev. 0 | 6 of 37

Table 1.

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit1

POWER REQUIREMENTS

VDD

4.75

5.25

VS+

VS− + 10

VS−

VS+ − 10

+0.1

VIO

2.375

2.5

2.625

Total Standby Current12, 13

Static, all devices enabled

Static, all devices disabled

0.1

0.4

µA

ADAQ23876 Current Draw

VDD

4.6

5.5

VS+/VS−

5.5

VIO

ADAQ23876 Power Dissipation

VDD = 5 V, VS+ = 5 V, VS− = 0 V

VDD

26.25

VS+/VS−

Gain = 0.37

28.875

VIO

One-lane mode14

100

110.25

Total

143

165.375

TEMPERATURE RANGE

Specified Performance

TMIN to TMAX

−40

+85

°C

1 The LSB unit means least significant bit. The weight of the LSB, referred to input, changes depending on the input voltage range.

2 For accurate resistor iPassive value IN2±, gain resistor (RG) = 1.5714286

3 The differential input ranges, VIN, must be within the allowed input common-mode range as per Figure 60 to Figure 64. VIN is dependent on the VS+/VS− supply rails used.

4 The acquisition phase is the time available for the input sampling capacitors to acquire a new input with the ADAQ23876 running at a throughput rate of 15 MSPS.

5 fS = 15 MHz, and the REFBUF current (IREFBUF) varies linearly with the throughput rate.

6 Transient response is the time required for the ADAQ23876 to acquire a full-scale input step to within ±1 LSB accuracy. Guaranteed by design, not subject to test.

7 See the 1/f noise plot in Figure 65

8 All ac specifications expressed in decibels are referenced to the full-scale input range (FSR) and are tested with an input signal at 1 dB below full scale, unless otherwise

specified.

9 Guaranteed by design, not subject to test.

10 When REFBUF is overdriven, turn off the internal reference buffer by setting REFIN = 0 V. Refer to the Voltage Reference Input section for more information.

11 The VCMO voltage can be used for other circuitry. However, drive the voltage with a buffer to ensure the VCMO voltage remains stable as per the specified range.

12 With all digital inputs forced to VIO or GND, as required.

13 During the acquisition phase.

14 In two-lane mode, the VIO power dissipation is about 10 mW higher than one-lane mode.

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