Parameter1 A Grade1, 2
參數(shù)資料
型號: AD7920BKSZ-REEL
廠商: Analog Devices Inc
文件頁數(shù): 19/24頁
文件大?。?/td> 0K
描述: IC ADC 12BIT SRL 250KSPS SC70-6
標準包裝: 10,000
位數(shù): 12
采樣率(每秒): 250k
數(shù)據(jù)接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 15mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 6-TSSOP,SC-88,SOT-363
供應商設備封裝: SC-70-6
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 1 個單端,單極
配用: EVAL-AD7920CBZ-ND - BOARD EVALUATION FOR AD7920
AD7910/AD7920
Rev. C | Page 4 of 24
Parameter1
A Grade1, 2
Unit
Test Conditions/Comments
Power Dissipation6
Normal Mode (Operational)
15
mW max
VDD = 5 V, fSAMPLE = 250 kSPS
4.2
mW max
VDD = 3 V, fSAMPLE = 250 kSPS
Full Power-Down
5
μW max
VDD = 5 V
3
μW max
VDD = 3 V
1 Temperature range from 40°C to +85°C.
2 Operational from VDD = 2.0 V, with input high voltage (VINH) 1.8 V min.
3 See the Terminology section.
4 SC70 values guaranteed by characterization.
5 Guaranteed by characterization.
6 See the Power vs. Throughput Rate section.
AD7920
VDD = 2.35 V to 5.25 V, fSCLK = 5 MHz, fSAMPLE = 250 kSPS, TA = TMIN to TMAX, unless otherwise noted.
Table 2.
Parameter1
A Grade ,
B Grade1, 2
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
fIN = 100 kHz sine wave
Signal-to-Noise + Distortion (SINAD)3
70
dB min
VDD = 2.35 V to 3.6 V, TA = 25°C
69
dB min
VDD = 2.4 V to 3.6 V
71.5
dB typ
VDD = 2.35 V to 3.6 V
69
dB min
VDD = 4.75 V to 5.25 V, TA = 25°C
68
dB min
VDD = 4.75 V to 5.25 V
Signal-to-Noise Ratio (SNR)3
71
dB min
VDD = 2.35 V to 3.6 V, TA = 25°C
70
dB min
VDD = 2.4 V to 3.6 V
70
dB min
VDD = 4.75 V to 5.25 V, TA = 25°C
69
dB min
VDD = 4.75 V to 5.25 V
Total Harmonic Distortion (THD)3
80
dB typ
Peak Harmonic or Spurious Noise (SFDR)3
82
dB typ
Intermodulation Distortion (IMD)3
Second-Order Terms
84
dB typ
fa = 100.73 kHz, fb = 90.72 kHz
Third-Order Terms
84
dB typ
fa = 100.73 kHz, fb = 90.72 kHz
Aperture Delay
10
ns typ
Aperture Jitter
30
ps typ
Full Power Bandwidth
13.5
MHz typ
@ 3 dB
2
MHz typ
@ 0.1 dB
DC ACCURACY
B Grade4
Resolution
12
Bits
Integral Nonlinearity3
±1.5
LSB max
± 0.75
LSB typ
Differential Nonlinearity
0.9/+1.5
LSB max
Guaranteed no missed codes to 12 bits
±0.75
LSB typ
Offset Error3, 5
±1.5
LSB max
±1.5
±0.2
LSB typ
Gain Error3, 5
±1.5
LSB max
±1.5
±0.5
LSB typ
Total Unadjusted Error (TUE)3, 5
±2
LSB max
ANALOG INPUT
Input Voltage Ranges
0 to VDD
V
DC Leakage Current
±0.5
μA max
Input Capacitance
20
pF typ
Track-and-hold in track, 6 pF typ when in hold
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