Data Sheet

AD45335

SPECIFICATIONS

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Table 1. Specifications (Continued)

Parameter1

Min

Typ

Max

Unit

Test Conditions/Comments

Digital Feedthrough

2

nV-sec

VOLTAGE REFERENCE, REF_IN6

Input Voltage Range

1

4.096

V

Input Impedance

60

kΩ

TEMPERATURE MEASUREMENT DIODE

Peak Inverse Voltage (PIV)

5

V

Cathode to anode

Forward Diode Drop, Forward Voltage (VF)

0.65

0.8

V

IF = 100 µA, anode to cathode

Forward Diode Current, Forward Current (IF)

150

µA

Anode to cathode

VF Temperature Coefficient (TC)

−2.20

mV/°C

Anode to cathode

DIGITAL INPUTS

Input Current

±5

±10

µA

Input Low Voltage

0.2 × DVCC V

Input High Voltage

0.8 × DVCC

V

Input Hysteresis (SCLK and SYNC Only)

200

mV

Input Capacitance

10

pF

POWER SUPPLY VOLTAGES

VPP

(51 × REF_IN) + 2.5

225

V

V+

4.75

5.25

V

AVCC

4.75

5.25

V

DVCC

2.7

5.25

V

POWER SUPPLY CURRENTS3

IVPP

All Channels at Full-Scale

80

92

µA/channel

All Channels at Zero-Scale

45

55

µA/channel

IV+

0.75

0.9

mA

IAVCC

17.5

20

mA

IDVCC

0.25

0.6

mA

1 See the Terminology section.

2 Linear output voltage range: 7 V to VPP – 1.5 V or 51 x REF_IN (whichever is less).

3 Outputs unloaded.

4 Ensure that maximum TJ is not exceeded. See the Absolute Maximum Ratings section.

5 Output shorts to ground increase the on-chip power dissipation and therefore the chip junction temperature. Operation at or above the specified maximum operation

junction temperature may impair device reliability.

6 Reference input determines the output voltage range. The linear output voltage range is restricted from 7 V to VPP – 1.5 V, or 51 x REF_IN (whichever is less).