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參數(shù)資料
| 型號(hào)： | AD7690BRMZ-RL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 18/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 18BIT 400KSPS 10-MSOP |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 系列： | PulSAR® |
| 位數(shù)： | 18 |
| 采樣率（每秒）： | 400k |
| 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）： | 20mW |
| 電壓電源： | 模擬和數(shù)字 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 10-TFSOP，10-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 10-MSOP |
| 包裝： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | 1 個(gè)差分，雙極 |
AD7690
Rev. B | Page 3 of 24
SPECIFICATIONS
VDD = 4.75 V to 5.25 V, VIO = 2.3 V to VDD, VREF = VDD, all specifications TMIN to TMAX, unless otherwise noted.
Table 2.
Parameter
Conditions
Min
Typ
Max
Unit
RESOLUTION
18
Bits
ANALOG INPUT
Voltage Range
IN+ to IN
VREF
+VREF
V
Absolute Input Voltage
IN+, IN
0.1
VREF + 0.1
V
Common-Mode Input Range
IN+, IN
VREF/2 0.1
VREF/2
VREF/2 + 0.1
V
Analog Input CMRR
fIN = 250 kHz
65
dB
Leakage Current at 25°C
Acquisition phase
1
nA
Input Impedance1
THROUGHPUT
Conversion Rate
0
400
kSPS
Transient Response
Full-scale step
400
ns
ACCURACY
No Missing Codes
18
Bits
Integral Linearity Error
1.5
±0.75
+1.5
LSB2
Differential Linearity Error
1
±0.5
+1.25
LSB
Transition Noise
REF = VDD = 5 V
0.75
LSB
Gain Error3
40
±2
+40
LSB
Gain Error Temperature Drift
±0.3
ppm/°C
Zero Error3
0.8
+0.8
mV
Zero Temperature Drift
±0.3
ppm/°C
Power Supply Sensitivity
VDD = 5 V
± 5%
±0.25
LSB
AC ACCURACY
Dynamic Range
VREF = 5 V
101
102
dB4
Oversampled Dynamic Range5
fIN= 1 kSPS
125
dB
Signal-to-Noise
fIN = 1 kHz, VREF = 5 V
100
101.5
dB
fIN = 1 kHz, VREF = 2.5 V
94.5
96
dB
Spurious-Free Dynamic Range
fIN = 1 kHz, VREF = 5 V
125
dB
Total Harmonic Distortion
fIN = 1 kHz, VREF = 5 V
125
dB
Signal-to-(Noise + Distortion)
fIN = 1 kHz, VREF = 5 V
100
101.5
dB
Intermodulation Distortion6
115
dB
1 See the Analog Inputs section.
2 LSB means least significant bit. With the ±5 V input range, one LSB is 38.15 μV.
3 See the Terminology section. These specifications include full temperature range variation but not the error contribution from the external reference.
4 All specifications in dB are referred to a full-scale input FSR. Tested with an input signal at 0.5 dB below full scale, unless otherwise specified.
5 Dynamic range obtained by oversampling the ADC running at a throughput fS of 400 kSPS, followed by postdigital filtering with an output word rate fO.
6 fIN1 = 21.4 kHz and fIN2 = 18.9 kHz, with each tone at 7 dB below full scale.
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| AD7691BCPZRL | 功能描述:IC ADC 18BIT SAR 250KSPS 10LFCSP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:PulSAR® 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):12 采樣率（每秒）:300k 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:75mW 電壓電源:單電源 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數(shù)目和類型:1 個(gè)單端，單極；1 個(gè)單端，雙極 |
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