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參數(shù)資料
型號(hào)： AD7328BRUZ-REEL7
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 32/37頁(yè)
文件大?。?/td> 0K
描述： IC ADC 12BIT+ SAR 8CHAN 20TSSOP
設(shè)計(jì)資源： Using AD7328 in Appls with Single-Ended Industrial-Level Signals (CN0047)
標(biāo)準(zhǔn)包裝： 1,000
系列： iCMOS®
位數(shù)： 12
采樣率（每秒）： 1M
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）： 30mW
電壓電源： 雙 ±
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 20-TSSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 20-TSSOP
包裝： 帶卷 (TR)
輸入數(shù)目和類型： 8 個(gè)單端，單極；8 個(gè)單端，雙極；4 個(gè)差分，單極；4 個(gè)差分，雙極
Data Sheet
AD7328
Rev. C | Page 3 of 36
SPECIFICATIONS
Unless otherwise noted, VDD = 12 V to 16.5 V, VSS = 12 V to 16.5 V, VCC = 4.75 V to 5.25 V, VDRIVE = 2.7 V to 5.25 V, VREF = 2.5 V to 3.0 V
internal/external, fSCLK = 20 MHz, fS = 1 MSPS, TA = TMAX to TMIN. With VCC < 4.75 V, all specifications are typical.
Table 2.
B Version
Parameter1
Min
Typ
Max
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
fIN = 50 kHz sine wave
Signal-to-Noise Ratio (SNR)
76
dB
Differential mode
72.5
dB
Single-ended/pseudo differential mode
Signal-to-Noise and Distortion
(SINAD)2
75
dB
Differential mode; ±2.5 V and ±5 V ranges
76
dB
Differential mode; 0 V to +10 V and ±10 V ranges
72
dB
Single-ended/pseudo differential mode; ±2.5 V and ±5 V
ranges
72.5
dB
Single-ended/pseudo differential mode; 0 V to +10 V
and ±10 V ranges
Total Harmonic Distortion (THD)2
80
dB
Differential mode; ±2.5 V and ±5 V ranges
82
dB
Differential mode; 0 V to +10 V and ±10 V ranges
77
dB
Single-ended/pseudo differential mode; ±2.5 V and ±5 V
ranges
80
dB
Single-ended/pseudo differential mode; 0 V to +10 V
and ±10 V ranges
Peak Harmonic or Spurious Noise
(SFDR)2
80
dB
Differential mode; ±2.5 V and ±5 V ranges
82
dB
Differential mode; 0 V to +10 V and ±10 V ranges
78
dB
Single-ended/pseudo differential mode; ±2.5 V and ±5 V
ranges
79
dB
Single-ended/pseudo differential mode; 0 V to +10 V
and ±10 V ranges
Intermodulation Distortion (IMD)2
fa = 50 kHz, fb = 30 kHz
Second-Order Terms
88
dB
Third-Order Terms
90
dB
Aperture Delay3
7
ns
Aperture Jitter3
50
ps
Common-Mode Rejection Ratio
(CMRR)2
79
dB
Up to 100 kHz ripple frequency; see Figure 17
Channel-to-Channel Isolation2
72
dB
fIN on unselected channels up to 100 kHz; see Figure 14
Full Power Bandwidth
22
MHz
At 3 dB
5
MHz
At 0.1 dB
DC ACCURACY4
All specifications are typical for 0 V to 10 V mode
Single-ended/pseudo differential mode 1 LSB =
FSR/4096, unless otherwise noted
Differential mode 1 LSB = FSR/8192, unless otherwise
noted
Resolution
13
Bits
No Missing Codes
12-bit
plus sign
(13 bits)
Bits
Differential mode
11-bit
plus sign
(12 bits)
Bits
Single-ended/pseudo differential mode
Integral Nonlinearity2
±1.1
LSB
Differential mode
±1
LSB
Single-ended/pseudo differential mode
0.7/+1.2
LSB
Single-ended/pseudo differential mode (LSB = FSR/8192)
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