ADN8831-EVALZ datasheet(4/20 Pages) AD

Part #	ADN8831-EVALZ

Description	Thermoelectric Cooler (TEC) Controller

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ADN8831

Data Sheet

Rev. A | Page 4 of 20

SPECIFICATIONS

ELECTRICAL CHARACTERISTICS

VDD = 3.0 V to 5.0 V, TA = 25°C, unless otherwise noted.

Table 1.

Parameter1

Symbol

Test Conditions/Comments

Min

Typ

Max

Unit

PWM OUTPUT DRIVER

Output Transition Time

t

R, tF

C

L = 3300 pF

20

ns

Nonoverlapping Clock Delay

40

80

ns

Output Resistance

R

O (SNGATE, SPGATE)

I

L = 10 mA, VDD = 3.0 V

6

Ω

Output Voltage Swing2

SFB

V

LIM = VREF

0

V

DD

V

LINEAR OUTPUT AMPLIFIER

Output Resistance

R

O, LNGATE

I

OUT = 2 mA, VDD = 3.0 V

200

Ω

R

O, LPGATE

I

OUT = 2 mA, VDD = 3.0 V

100

Ω

Output Voltage Swing2

LFB

0

V

DD

V

POWER SUPPLY

Power Supply Voltage

V

DD

3.0

5.5

V

Supply Current

I

SY

PWM not switching

8

12

mA

−40°C ≤ T

A ≤ +85°C

15

mA

Shutdown Current

I

SD

SYNCI/SD = 0 V

8

µA

Soft Start Charging Current

I

SS

V

SS = 0 V

8

µA

Undervoltage Lockout3

UVLO

Low to high threshold

2.2

2.6

V

Standby Current

I

SB

SYNCI/SD = VDD, SS/SB = 0 V

2

mA

Standby Threshold

V

SB

SYNCI/SD = VDD

150

200

mV

ERROR/COMPENSATION AMPLIFIERS

Input Offset Voltage

V

OS1

V

CM1 = 1.5 V, VIN1P − VIN1M

10

100

μV

V

OS2

V

CM2 = 1.5 V, VIN2P − VIN2M

10

100

μV

Input Voltage Range

V

CM1, VCM2

0

V

DD

V

Common-Mode Rejection Ratio

CMRR

1, CMRR2

V

CM1, VCM2 = 0.2 V to VDD − 0.2 V

120

dB

Output Voltage High

V

OH1, VOH2

V

DD − 0.03

V

Output Voltage Low

V

OL1, VOL2

25

mV

Power Supply Rejection Ratio

PSRR

1, PSRR2

3.0 V ≤ V

DD ≤ 5.0 V

110

dB

Output Current

I

OUT1, IOUT2

Sourcing and sinking

5

mA

Gain Bandwidth Product

GBW

1, GBW2

V

OUT = 0.5 V to (VDD − 1 V)

2

MHz

OSCILLATOR

Sync Range

f

CLK

SYNCI/SD connected to external

clock

300

1000

kHz

Oscillator Frequency

f

CLK

COMPOSC = V

DD, RFREQ = 118 kΩ,

SYNCI/SD = VDD, VDD = 5.0V

800

1000

1250

kHz

Nominal Free-Run Oscillation

Frequency

f

CLK-NOMINAL

COMPOSC = V

DD, SYNCI/SD = VDD

200

1000

kHz

Phase Adjustment Range2

Φ

CLK

V

PHASE = 0.13 V, fSYNCI/SD = 1 MHz

50

Degrees

V

PHASE = 2.3 V, fSYNCI/SD = 1 MHz

330

Degrees

Phase Adjustment Default

Φ

CLK

PHASE = open

180

Degrees

REFERENCE VOLTAGE

Reference Voltage

V

REF

I

REF = 2 mA

2.35

V

I

REF = 0 mA

2.37

2.47

2.57

V

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