ADuCM350

Data Sheet

Rev. A | Page 4 of 40

SPECIFICATIONS

All characterization is at VCCM = 2.5 V to 3.6 V, specifications below 2.5 V are for functionality only, all minimum and maximum

specifications are specified for a temperature range of −40°C to +85°C, unless otherwise noted.

ANALOG FRONT-END SPECIFICATIONS

AFE LDO Specifications

Table 1. AFE LDO Specifications

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

VOLTAGE

Output Voltage

1.71

1.8

1.89

V

load current on AVDD_RX/TX; all AFE blocks powered down

Dropout

150

200

mV

10 mA load applied; no AFE blocks enabled

REGULATION

Line

1080

µV/V

10 mA load applied

Load

0.65

mV/mA

10 mA load applied

POWER UP

Power-Up Time

500

µs

High Precision Internal Reference Specifications

Table 2. High Precision Internal Reference Specifications

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

1.797

1.8

1.803

V

For a temperature range of 0°C to 50°C

1.79

1.8

1.803

V

For a temperature range of −40°C to +85°C

Output Impedance

570

mΩ

LDO and reference enabled; all other AFE

blocks disabled; reference loaded with

50 µA on VREF

−52

+90

ppm/°C

For a temperature range of −40°C to

+85°C, maximum value from −40°C to

+25°C, and from +25°C to +85°C specified

−45

+48

ppm/°C

For a temperature range of 0°C to 50°C,

maximum value from −40°C to +25°C, and

from 25°C to 85°C specified

VREF Thermal Hysteresis

50

ppm

REF_EXCITE Switching Load

1.789

1.793

1.797

V

Line Regulation

50

µV/V

loaded with 300 µA

Short-Circuit Current to Ground

10

mA

Current limit off

Reference Voltage

1.77

1.8

1.83

V

VBIAS

VBIAS Voltage

1.095

1.1

1.102

V

current load

1

2

Guaranteed by design and/or characterization.