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參數(shù)資料
| 型號： | AD7453BRTZ-REEL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 16/21頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 12BIT W/DIFF INP SOT23-8 |
| 設(shè)計(jì)資源： | Measuring -48 V High-Side Current Using AD629, AD8603, AD780, and AD7453 (CN0100) |
| 標(biāo)準(zhǔn)包裝： | 3,000 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 555k |
| 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）： | 7.25mW |
| 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： | SOT-23-8 |
| 供應(yīng)商設(shè)備封裝： | SOT-23-8 |
| 包裝： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | 1 個偽差分，雙極 |
AD7453
Rev. B | Page 3 of 20
SPECIFICATIONS
VDD = 2.7 V to 5.25 V, fSCLK = 10 MHz, fS = 555 kSPS, VREF = 2.5 V, FIN = 100 kHz, TA = TMIN to TMAX, unless otherwise noted
Table 1.
Parameter
Test Conditions/Comments
A Version1
B Version1
Unit
DYNAMIC PERFORMANCE
fIN = 100 kHz
Signal to Noise Ratio (SNR)2
VDD = 2.7 V to 5.25 V
70
dB min
Signal to (Noise + Distortion) (SINAD)2
VDD = 2.7 V to 3.6 V
69
dB min
VDD = 4.75 V to 5.25 V
70
dB min
Total Harmonic Distortion (THD)2
VDD = 2.7 V to 3.6 V; –78 dB typ
–73
dB max
VDD = 4.75 V to 5.25 V; –80 dB typ
–75
dB max
Peak Harmonic or Spurious Noise2
VDD = 2.7 V to 3.6 V; –80 dB typ
–73
dB max
VDD = 4.75 V to 5.25 V; –82 dB typ
–75
dB max
Intermodulation Distortion (IMD)2
fa = 90 kHz; fb = 110 kHz
Second-Order Terms
–80
dB typ
Third-Order Terms
–80
dB typ
Aperture Delay2
5
ns typ
Aperture Jitter2
50
ps typ
Full-Power Bandwidth2, 3
@ –3 dB
20
MHz typ
@ –0.1 dB
2.5
MHz typ
DC ACCURACY
Resolution
12
Bits
Integral Nonlinearity (INL)2
±1.5
±1
LSB max
Differential Nonlinearity (DNL)2
Guaranteed no missed codes to 12 bits
±0.95
LSB max
Offset Error2
±3.5
LSB max
Gain Error2
±3
LSB max
ANALOG INPUT
Full-Scale Input Span
VIN+ – VIN–
VREF
V
Absolute Input Voltage
VIN+
VREF
V
VIN–4
VDD = 2.7 V to 3.6 V
–0.1 to +0.4
V
VDD = 4.75 V to 5.25 V
–0.1 to +1.5
V
DC Leakage Current
±1
A max
Input Capacitance
When in track/hold
30/10
pF typ
REFERENCE INPUT
VREF Input Voltage
± 1% tolerance for specified performance
2.5 5
2.55
V
DC Leakage Current
±1
A max
VREF Input Capacitance
When in track/hold
10/30
pF typ
LOGIC INPUTS
Input High Voltage, VINH
2.4
V min
Input Low Voltage, VINL
0.8
V max
Input Current, IIN
Typically 10 nA, VIN = 0 V or VDD
±1
A max
Input Capacitance, CIN 6
10
pF max
LOGIC OUTPUTS
Output High Voltage, VOH
VDD = 4.75 V to 5.25 V, ISOURCE = 200 A
2.8
V min
VDD = 2.7 V to 3.6 V, ISOURCE = 200 A
2.4
V min
Output Low Voltage, VOL
ISINK = 200 A
0.4
V max
Floating-State Leakage Current
±1
A max
Floating-State Output Capacitance6
10
pF max
Output Coding
Straight (natural) binary
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