Data Sheet

ADA4351-2

SPECIFICATIONS

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Rev. 0 | 6 of 36

3 V SPECIFICATIONS

TA = 25°C, AVDD = 3 V, AVSS = 0 V, DVDD = 3 V, DVSS = 0 V, load resistance (RL) = open, and +IN = 1.5 V, unless otherwise noted. These

default AVDD, AVSS, and +IN conditions are equivalent to a symmetrical supply configuration with +IN biased to 0 V.

Table 2. 3 V Specifications

Parameter1

Test Conditions/Comments

Min

Typ

Max

Unit

Test Level

DC PERFORMANCE

Offset Voltage (VOS), Referred to Input (RTI)

±25

±150

µV

P

Offset Voltage Drift, RTI

TA = 0°C to +85°C

±0.11

±0.85

µV/°C

CB

TA = −40°C to +125°C

±0.22

±0.9

µV/°C

CB

Input Bias Current at −IN

±1

±2

pA

P

TA = −40°C to +85°C

±20

pA

CT

TA = −40°C to +105°C

±30

pA

CT

TA = −40°C to +125°C

±30

pA

CT

Input Bias Current at +IN

±1

±2

pA

P

TA = −40°C to +85°C

±35

pA

CT

TA = −40°C to +105°C

±60

pA

CT

TA = −40°C to +125°C

±70

pA

CT

Open-Loop Gain (AOL)

RF = 10 kΩ, VOUT = 0.5 V to 2.5 V2

93

115

dB

P

VOUT = 0.1 V to 2.9 V, TA = −40°C to

+125°C

104

dB

CT

INPUT CHARACTERISTICS

Common-Mode Input Impedance at +IN

3.75/2.8

TΩ/pF

CB

Common-Mode Input Impedance at −IN

3.75/3.5

TΩ/pF

CB

Differential Mode Input Capacitance

2

pF

CB

Internal Feedback Capacitance

3

pF

CB

Input Common-Mode Voltage Range (VCM)

TA = −40°C to +125°C

AVSS

AVDD −

1.5V

V

CB

Common-Mode Rejection Ratio (CMRR)

VCM = 0.1 V to 1.5 V

73

87

dB

P

OUTPUT CHARACTERISTICS

Saturated Output Voltage Swing to AVSS (VOUT −

AVSS)

RF = 10 kΩ

10

mV

P

Saturated Output Voltage Swing to AVDD (AVDD −

VOUT)

RF = 10 kΩ

10

mV

P

Short-Circuit Output Current

Sinking/sourcing, VOUT = 1.5 V

27/23

mA

CB

Linear SW0 and SW1 Current3

±30

mA

CB

DYNAMIC PERFORMANCE

Gain Bandwidth Product (GBP)

8.5

MHz

CB

Slew Rate

10% to 90%

8

V/μs

CB

ANALOG POWER SUPPLIES (AVDD AND AVSS)

Operating Range VS = AVDD − AVSS

Guaranteed by power supply rejection

ratio (PSRR)

2.7

5.5

V

P

AVSS Range Below DVSS

−2.5

0

V

S

Quiescent Current Per Amplifier

3.05

3.25

mA

P

TA = −40°C to +125°C

4.1

mA

CT

PSRR

Supply voltage (VS) = 2.7 V to 5.5 V

81

92

dB

P

VS = 2.7 V to 5.5 V, TA = −40°C to +125°C 76

dB

CT

THRESHOLD VOLTAGES FOR SW SEL

Input High Voltage (VIH)

DVDD − 0.7

V

S

Input Low Voltage (VIL)

DVSS + 0.5 V

S

SW SEL Pull-Down Resistance

865

kΩ

CB