APA2176 datasheet(4/28 Pages) ANPEC

4 / 28 page

Rev. A.7 - Jan., 2013

www.anpec.com.tw

APA2176/2176A

Electrical Characteristics

APA2176/2176A

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

SUPPLY CURRENT

IDD

VDD Supply Current

2.0

4.0

IPVDD

PVDD Supply Current

3.2

6.5

ISD(VDD)

VDD Shutdown Current

VRSD = VLSD = 0

1.0

5.0

µA

ISD(PVDD)

PVDD Shutdown Current

VRSD = VLSD = 0

1.0

5.0

µA

CHARGE PUMP

fOSC

Switching Frequency

450

510

570

kHz

Req

Charge Pump Equivalent

Resistance

CCPO=CCPF=2.2

µF

Ω

POWER-ON-RESET

Rising VDD Threshold

PVDD=5V

1.67

1.7

1.73

Falling VDD Threshold

PVDD=5V

1.57

1.6

1.63

AMPLIFIERS

Internal Voltage Gain

No Load

-1.55

-1.5

-1.45

V/V

∆A

Gain Match

1.0

Input Resistance

Ω

Slew Rate

2.5

µs

Maximum Capacitive Load

400

Tstart-up

Start-Up Time from Shutdown

120

µs

VDD=3.3V, PVDD=5.0V, TA=25°

THD+N = 1%, fin=1kHz, in Phase

RL = 16

Ω

RL = 32

Ω

125

200

150

Output Power

THD+N = 10%, fin=1kHz, in Phase

RL = 16

Ω

RL = 32

Ω

170

270

200

THD+N

Total Harmonic Distortion Plus

Noise

fin = 1kHz

PO = 140mW, RL = 16

Ω

PO = 105mW, RL = 32

Ω

VO = 1.7Vrms, RL = 10k

Ω

0.04

0.03

0.002

Crosstalk

Channel Separation

fin = 1kHz

PO = 140mW, RL = 16

Ω

VO = 1.7Vrms, RL = 10k

Ω

PSRR

Power Supply Rejection Ratio

RL = 16

Ω, f

in=217Hz

VOS

Output Offset Voltage

RL = 32

Ω

-5

S/N

Signal to Noise Ratio

With A-weighting Filter

PO = 105mW, RL = 32

Ω

Noise Output Voltage

RL = 32

Ω

µV

(rms)

Unless otherwise specified, these specifications apply over V

DD=3.3V, PVDD=5V, VPGND=VGND=0V, and CCPO=CCPF=2.2µF. Typical

values are at T

A=25

oC.

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