AD1845JPZ

更新时间： 2024-01-09 04:16:41

品牌	Logo	应用领域
亚德诺 - ADI		解码器编解码器
页数	文件大小	规格书
40页	335K
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数据手册

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AD1845JPZ 数据手册

AD1845–SPECIFICATIONS

STAND ARD TEST CO ND ITIO NS UNLESS O TH ERWISE NO TED

DAC Test Conditions

Calibrated

T emperature

°C

kHz

Digital Supply (V_DD

Analog Supply (V_CC

Word Rate (F_S)

Input Signal

Analog Output Passband

ADC FFT Size

)

5.0

0 dB Relative to Full Scale

16-Bit Linear Mode

10 kΩ Output Load

Mute Off, OL = 0

ADC Test Conditions

Calibrated

1008

20 Hz to 20 kHz

2048

DAC FFT Size

8192

0 dB Gain

–1.0 dB Relative to Full Scale

Line Input

V_IH

V_IL

16-Bit Linear Mode

ANALO G INP UT

Min

Typ

Max

Units

Input Voltage (RMS Values Assume Sine Wave Input)

Line

V rms

V p-p

V rms

V p-p

V rms

V p-p

kΩ

2.55

2.83

0.1

0.283

2.83

3.35

0.335

3.35

MIC with +20 dB Gain (MGE = 1)

MIC with 0 dB Gain (MGE = 0)

0.255

2.55

Input Impedance*

Input Capacitance

P RO GRAMMABLE GAIN AMP LIFIER–AD C

Min

Typ

Max

Units

Step Size (All Steps T ested)

(0 dB to 22.5 dB)

PGA Gain Range Span

0.7

21.5

1.5

22.5

1.9

23.5

AUXILIARY LINE, MO NO , AND MICRO P H O NE INP UT ANALO G GAIN/AMP LIFIERS/ATTENUATO RS

Min

Typ

Max

Units

Step Size : AUX1, AUX2, LINE, MIC (All Steps T ested)

(+12 dB to –30 dB)

(–31.5 dB to –34.5 dB)

1.25

1.5

1.75

2.0

Step Size: M_IN (All Steps T ested)

(0 dB to –39 dB)

(–42 dB to –45 dB)

Input Gain/Attenuation Range: AUX1, AUX2, LINE, MIC

Input Gain/Attenuation Range: M_IN

2.5

2.2

45.0

3.0

46.5

3.6

3.85

49.0

D IGITAL D ECIMATIO N AND INTERP O LATIO N FILTERS*

Min

Max

Units

Passband

0.4 × F_S

±0.1

0.6 × F_S

∞

Passband Ripple

T ransition Band

Stopband

Stopband Rejection

Group Delay

0.4 × F_S

0.6 × F_S

15/F_S

0.0

Group Delay Variation Over Passband

µs

*Guaranteed, not tested.

–2–

REV. C

123 4 5 6 7...40

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