參數(shù)資料
型號: AD1934WBSTZ
廠商: Analog Devices Inc
文件頁數(shù): 22/28頁
文件大?。?/td> 0K
描述: IC DAC 8CH W/ON-CHIP PLL 48LQFP
標(biāo)準(zhǔn)包裝: 1
位數(shù): 24
數(shù)據(jù)接口: 串行,SPI?
轉(zhuǎn)換器數(shù)目: 8
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: 托盤
輸出數(shù)目和類型: 8 電壓,單極
采樣率(每秒): *
Data Sheet
AD1934
Rev. D | Page 3 of 28
SPECIFICATIONS
TEST CONDITIONS
Performance of all channels is identical, exclusive of the interchannel gain mismatch and interchannel phase deviation specifications.
Supply Voltages (AVDD, DVDD)
3.3 V
Temperature Range1
As specified in Table 1 and Table 2
Master Clock
12.288 MHz (48 kHz fS, 256 × fS mode)
Input Sample Rate
48 kHz
Measurement Bandwidth
20 Hz to 20 kHz
Word Width
24 bits
Load Capacitance (Digital Output)
20 pF
Load Current (Digital Output)
±1 mA or 1.5 k to DVDD supply
Input Voltage HI
2.0 V
Input Voltage LO
0.8 V
1
Functionally guaranteed at 40°C to +125°C case temperature.
ANALOG PERFORMANCE SPECIFICATIONS
Specifications guaranteed at 25°C (ambient).
Table 1.
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
DIGITAL-TO-ANALOG CONVERTERS
Dynamic Range
20 Hz to 20 kHz, 60 dB input
No Filter (RMS)
98
104
dB
With A-Weighted Filter (RMS)
100
106
dB
With A-Weighted Filter (Average)
108
dB
Total Harmonic Distortion + Noise
0 dBFS
Single-Ended Version
Two channels running
92
dB
Eight channels running
86
75
dB
Full-Scale Output Voltage
0.88 (2.48)
V rms (V p-p)
Gain Error
10
+10
%
Interchannel Gain Mismatch
0.2
+0.2
dB
Offset Error
16
4
+16
mV
Gain Drift
30
+30
ppm/°C
Interchannel Isolation
100
dB
Interchannel Phase Deviation
0
Degrees
Volume Control Step
0.375
dB
Volume Control Range
95
dB
De-emphasis Gain Error
±0.6
dB
Output Resistance at Each Pin
100
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
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