ZSSC4151C Datasheet

© 2022 Renesas Electronics Corporation

8

March 25, 2020

5. Electrical Characteristics

All parameter values in this section are valid under the operating conditions specified in section 4 (unless otherwise stated). All voltages are

referenced to VSSA pin.

Note: All parameters are measured/validated for rADC = 14-bit; segmentation of 1st and 2nd ADC stage = 8/6; fOSC = 8.0MHz; analog gain = ~100;

and TTQE (see specification DS_052). Changing the AD conversion settings influences all timing parameters.

Table 4.

Electrical Parameters

Note: See important table notes at the end of the table.

Requirement

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

5.1 Supply Current and System Operation Conditions

DS_100

Supply current

IS

Excluding the sensor supply

current and excluding output

current at AOUT pin; oscillator

adjusted.

5.5

7

mA

DS_101

Over-voltage power

consumption [a]

POV

5.5V < VDDE < 40V; excluding

sensor and output load.

250

mW

DS_102

Sensor bridge supply

voltage

VSENS

VSENS = VTOP - VBOT

where VTOP is the voltage at the

TOP pin and VBOT is the voltage at

BOT pin.

0.9

1

VDDA

DS_103

Oscillator frequency

fOSC

Adjusted.

7.2

8.0

8.8

MHz

DS_104

Analog supply voltage

VDDA

VDDA is limited if VDDE exceeds the

threshold VOV_LIM_TH; see DS_226.

VDDA must not be supplied

externally.

0.9

1

VDDE

5.2 Analog Front-End Characteristics

DS_120

Input span

VIN_SPAN

±1

±800

mV/V

DS_121

Input voltage range

VIN_RNG1

Analog gain = 1

Corresponds to VADC_IN.

0.05

0.95

VSENS

DS_122

VIN_RNG2

Analog gain = 2 to 200

0.3

0.65

VSENS

DS_123

External capacitance at

input[a]

CIN_EXT

Capacitance at BR1P and BR1N

to VSSA pins, see DS_124.

0

10

+20%

nF

DS_124

Time constant at input

pins [a]

6×CIN ×RBR

Capacitance either at BRP, BRN

to VSSA or between BRP and

BRN pins.

Calculation:

CIN ≤ 30µs / (6

 RBR)

Time constant can be extended by

configuration.

0

30

µs

DS_125

Input leakage current [a]

IIN_leak

-15

15

nA