參數(shù)資料
型號(hào): ADAU1702JSTZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 49/52頁(yè)
文件大?。?/td> 0K
描述: IC AUDIO PROC 2ADC/4DAC 48-LQFP
標(biāo)準(zhǔn)包裝: 1
系列: SigmaDSP®
類型: 音頻處理器
應(yīng)用: 車載,監(jiān)視器,MP3
安裝類型: 表面貼裝
封裝/外殼: 48-LQFP
供應(yīng)商設(shè)備封裝: 48-LQFP(7x7)
包裝: 托盤
產(chǎn)品目錄頁(yè)面: 776 (CN2011-ZH PDF)
ADAU1702
Rev. C | Page 6 of 52
DIGITAL INPUT/OUTPUT
Table 2.
Parameter
Symbol
Min
Typ
Max 1
Unit
Test Conditions/Comments
Input Voltage, High
VIH
2.0
IOVDD
V
Input Voltage, Low
VIL
0.8
V
Input Leakage, High
IIH
1
μA
Excluding MCLKI
Input Leakage, Low
IIL
1
μA
Excluding MCLKI and bidirectional pins
Bidirectional Pin Pull-Up Current, Low
150
μA
MCLKI Input Leakage, High
IIH
3
μA
MCLKI Input Leakage, Low
IIL
3
μA
High Level Output Voltage
VOH
2.0
V
IOH = 2 mA
Low Level Output Voltage
VOL
0.8
V
IOL = 2 mA
Input Capacitance
5
pF
GPIO Output Drive
2
mA
1 Maximum specifications are measured across a temperature range of
40°C to +130°C (case), a DVDD range of 1.62 V to 1.98 V, and an AVDD range of 2.97 V to 3.63 V.
POWER
Table 3.
Parameter
Min
Typ
Unit
SUPPLY VOLTAGE
Analog Voltage
3.3
V
Digital Voltage
1.8
V
PLL Voltage
3.3
V
IOVDD Voltage
3.3
V
SUPPLY CURRENT
Analog Current (AVDD and PVDD)
50
85
mA
Digital Current (DVDD)
40
60
mA
Analog Current, Reset
35
55
mA
Digital Current, Reset
1.5
4.5
mA
DISSIPATION
Operation (AVDD, DVDD, PVDD) 2
286.5
mW
Reset, All Supplies
118
mW
POWER SUPPLY REJECTION RATIO (PSRR)
1 kHz, 200 mV p-p Signal at AVDD
50
dB
1 Maximum specifications are measured across a temperature range of
40°C to +130°C (case), a DVDD range of 1.62 V to 1.98 V, and an AVDD range of 2.97 V to 3.63 V.
2 Power dissipation does not include IOVDD power because the current drawn from this supply is dependent on the loads at the digital output pins.
PLL AND OSCILLATOR
Table 4. PLL and Oscillator
Parameter
Min
Typ
Max 1
Unit
PLL Operating Range
MCLK_Nom 20%
MCLK_Nom + 20%
MHz
PLL Lock Time
20
ms
Crystal Oscillator Transconductance (gm)
78
mmho
1 Maximum specifications are measured across a temperature range of
40°C to +130°C (case), a DVDD range of 1.62 V to 1.98 V, and an AVDD range of 2.97 V to 3.63 V.
REGULATOR
Table 5. Regulator
Parameter
Unit
DVDD Voltage
1.7
1.8
1.84
V
1 Regulator specifications are calculated using a Zetex Semiconductors FZT953 transistor in the circuit.
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