參數(shù)資料
型號(hào): AD1974YSTZ-RL
廠商: Analog Devices Inc
文件頁(yè)數(shù): 19/24頁(yè)
文件大?。?/td> 0K
描述: IC CODEC 4CH ADC W/PLL 48-LQFP
標(biāo)準(zhǔn)包裝: 2,000
位數(shù): 24
采樣率(每秒): 192k
數(shù)據(jù)接口: 串行,SPI?
轉(zhuǎn)換器數(shù)目: 4
功率耗散(最大): 429mW
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 105°C
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: 帶卷 (TR)
輸入數(shù)目和類型: 4 個(gè)差分,單極
AD1974
Data Sheet
Rev. D | Page 4 of 24
Specifications measured at 125°C (case).
Table 2.
Parameter
Conditions
Min
Typ
Max
Unit
ANALOG-TO-DIGITAL CONVERTERS
ADC Resolution
All ADCs
24
Bits
Full-Scale Input Voltage (Differential)
1.9
V rms
Dynamic Range
20 Hz to 20 kHz, 60 dB input
No Filter (RMS)
95
102
dB
With A-Weighted Filter (RMS)
97
105
dB
Total Harmonic Distortion + Noise (THD + N)
1 dBFS
96
87
dB
Gain Error
10
+10
%
Interchannel Gain Mismatch
0.25
+0.25
dB
Offset Error
10
0
+10
mV
REFERENCE
Internal Reference Voltage
FILTR pin
1.50
V
External Reference Voltage
FILTR pin
1.32
1.50
1.68
V
Common-Mode Reference Output
CM pin
1.50
V
CRYSTAL OSCILLATOR SPECIFICATIONS
Table 3.
Parameter
Min
Typ
Max
Unit
Transconductance
3.5
Mmhos
DIGITAL INPUT/OUTPUT SPECIFICATIONS
40°C < TC < +125°C, DVDD = 3.3 V ± 10%.
Table 4.
Parameter
Conditions/Comments
Min
Typ
Max
Unit
Input Voltage High (VIH)
2.0
V
Input Voltage High (VIH)
MCLKI pin
2.2
V
Input Voltage Low (VIL)
0.8
V
Input Leakage
IIH @ VIH = 2.4 V
10
A
IIL @ VIL = 0.8 V
10
A
High Level Output Voltage (VOH)
IOH = 1 mA
DVDD 0.60
V
Low Level Output Voltage (VOL)
IOL = 1 mA
0.4
V
Input Capacitance
5
pF
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