AD73322AR datasheet(5/43 Pages) AD

부품명	AD73322AR

상세설명	Low Cost, Low Power CMOS General-Purpose Dual Analog Front End

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–5–

REV. B

AD73322

SPECIFICATIONS1

AD73322A

Parameter

Min

Typ

Max

Units

Test Conditions/Comments

REFERENCE

REFCAP

Absolute Voltage, VREFCAP

1.2

V

5VEN = 0

2.4

V

5VEN = 1

REFCAP TC

50

ppm/

°C 0.1 µF Capacitor Required from

REFOUT

REFCAP to AGND2

Typical Output Impedance

130

Ω

Absolute Voltage, VREFOUT

1.2

V

5VEN = 0, Unloaded

2.4

V

5VEN = 1, Unloaded

Minimum Load Resistance

2

k

Ω

5VEN = 1

Maximum Load Capacitance

100

pF

INPUT AMPLIFIER

Offset

±1.0

mV

Maximum Output Swing

3.156

V

Max Output Swing = (3.156/2.4)

× VREFCAP

Feedback Resistance

50

k

Ω

fC = 32 kHz

Feedback Capacitance

100

pF

ANALOG GAIN TAP

Gain at Maximum Setting

+1

Gain at Minimum Setting

–1

Gain Resolution

5

Bits

Gain Step Size = 0.0625

Gain Accuracy

±1

%

Output Unloaded

Settling Time

1.0

µs

Tap Gain Change of –FS to +FS

Delay

0.5

µs

ADC SPECIFICATIONS

5VEN = 1

Maximum Input Range at VIN

2, 3

3.156

V p-p

Measured Differentially

3.17

dBm

Max Input Swing = (3.156/2.4)

× VREFCAP

Nominal Reference Level at VIN

2.1908

V p-p

Measured Differentially

(0 dBm0)

0

dBm

Absolute Gain

PGA = 0 dB

0.4

dB

1.0 kHz, 0 dBm0

PGA = 38 dB

–0.7

dB

1.0 kHz, 0 dBm0

Gain Tracking Error

±0.1

dB

1.0 kHz, +3 dBm0 to –50 dBm0

Signal to (Noise + Distortion)

Refer to Figure 7

PGA = 0 dB

78

dB

300 Hz to 3400 Hz; fSAMP = 64 kHz

78

dB

300 Hz to 3400 Hz; fSAMP = 8 kHz

57

dB

0 Hz to fSAMP/2; fSAMP = 64 kHz

PGA = 38 dB

56

dB

300 Hz to 3400 Hz; fSAMP = 64 kHz

Total Harmonic Distortion

PGA = 0 dB

–84

dB

300 Hz to 3400 Hz; fSAMP = 64 kHz

PGA = 38 dB

–70

dB

300 Hz to 3400 Hz; fSAMP = 64 kHz

Intermodulation Distortion

–65

dB

PGA = 0 dB

Idle Channel Noise

–71

dBm0

PGA = 0 dB

Crosstalk

ADC-to-DAC

–100

dB

ADC Input Signal Level: 1.0 kHz, 0 dBm0

DAC Input at Idle

ADC-to-ADC

–100

dB

ADC1 Input Signal Level: 1.0 kHz, 0 dBm0

ADC2 Input at Idle. Input Amplifiers Bypassed

–70

dB

Input Amplifiers Included in Channel

DC Offset

+10

mV

PGA = 0 dB

Power Supply Rejection

–65

dB

Input Signal Level at AVDD and DVDD

Pins: 1.0 kHz, 100 mV p-p Sine Wave

Group Delay

4, 5

25

µs

64 kHz Output Sample Rate

Input Resistance at PGA

2, 4, 6

20

k

Ω

Input Amplifiers Bypassed

(AVDD = +5 V

10%; DVDD = +5 V

10%; DGND = AGND = 0 V, fDMCLK = 16.384 MHz, fSAMP = 64 kHz;

TA = TMIN to TMAX, unless otherwise noted)

유사한 부품 번호 - AD73322AR

제조업체	부품명	데이터시트	상세설명
Analog Devices	AD73322ARZ	389Kb / 43P	Low Cost, Low Power CMOS General-Purpose Dual Analog Front End REV. B

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유사한 설명 - AD73322AR

제조업체	부품명	데이터시트	상세설명
Analog Devices	AD73322ARZ	389Kb / 43P	Low Cost, Low Power CMOS General-Purpose Dual Analog Front End REV. B
	AD73322	389Kb / 43P	Low Cost, Low Power CMOS General-Purpose Dual Analog Front End REV. B
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AD73322AR 데이터시트(PDF) 5 Page - Analog Devices

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유사한 부품 번호 - AD73322AR

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