參數資料
型號: AD7738BRUZ-REEL
廠商: Analog Devices Inc
文件頁數: 12/28頁
文件大小: 0K
描述: IC ADC 24BIT 8CH SIG-DEL 28TSSOP
標準包裝: 2,500
位數: 24
采樣率(每秒): 15.4k
數據接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
轉換器數目: 1
功率耗散(最大): 100mW
電壓電源: 模擬和數字
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 28-TSSOP(0.173",4.40mm 寬)
供應商設備封裝: 28-TSSOP
包裝: 帶卷 (TR)
輸入數目和類型: 8 個單端,單極;8 個單端,雙極;4 個差分,單極;4 個差分,雙極
配用: EVAL-AD7738EBZ-ND - BOARD EVAL FOR AD7738
REV. 0
–2–
AD7738–SPECIFICATIONS
Parameter
Min
Typ
Max
Unit
Test Conditions/Comment
ADC PERFORMANCE—
CHOPPING ENABLED
Conversion Time Rate
372
12190
Hz
Configure via Conversion Time Register
No Missing Codes
1
24
Bits
FW
≥ 6 (Conversion Time ≥ 165 s)
See Typical Performance Characteristics
Output Noise
See Table I
Resolution
See Tables II and III
Integral Nonlinearity (INL)
±0.0015
% of FSR
AIN Range =
±2.5 V
±0.0015
% of FSR
AIN Range =
±1.25 V
Offset Error (Unipolar, Bipolar)
2
±10
V
Before Calibration
Offset Drift vs. Temperature
1
±280
nV/
°C
Gain Error
2
±0.2
%
Before Calibration
Gain Drift vs. Temperature
1
±2.5
ppm of FS/ C
Positive Full-Scale Error
2
±0.2
% of FSR
Before Calibration
Positive Full-Scale Drift vs. Temperature
1
±2.5
ppm of FS/ C
Bipolar Negative Full-Scale Error
3
±0.0030
% of FSR
After Calibration
3
Common-Mode Rejection
80
100
dB
At DC, AIN = 1 V
Power Supply Rejection
70
80
dB
At DC, AIN = 1 V
ADC PERFORMANCE—
CHOPPING DISABLED
Conversion Time Rate
737
15437
Hz
Configure via Conversion Time Register
No Missing Codes
1
24
Bits
FW
≥ 8 (Conversion Time ≥ 117 s)
See Typical Perfomance Charateristics
Output Noise
See Table IV
Resolution
See Tables V and VI
Integral Nonlinearity (INL)
±0.0015
% of FSR
Offset Error (Unipolar, Bipolar)
4
± 1mV
Before Calibration
Offset Drift vs. Temperature
±1.5
V/ C
Gain Error
2
±0.2
%
Before Calibration
Gain Drift vs. Temperature
±2.5
ppm of FS/ C
Positive Full-Scale Error
2
±0.2
% of FSR
Before Calibration
Positive Full-Scale Drift vs. Temperature
±2.5
ppm of FS/ C
Bipolar Negative Full-Scale Error
3
±0.0030
% of FSR
After Calibration
3
Common-Mode Rejection
75
dB
At DC, AIN = 1 V
Power Supply Rejection
65
dB
At DC, AIN = 1 V
ANALOG INPUTS
Analog Input Voltage Ranges
1, 5
±2.5 V Range
–2.9
±2.5
+2.9
V
+2.5 V Range
0
0 to 2.5
2.9
V
±1.25 V Range
–1.45
±1.25
+1.45
V
+1.25 V Range
0
0 to 1.25 1.45
V
±0.625 V Range
–725
±625
+725
mV
+0.625 V Range
0
0 to 625
725
mV
AIN, AINCOM Common-Mode Voltage
1
0.2
AVDD – 0.3 V
AIN, AINCOM Input Current
6
200
nA
Only One Channel, Chop Disabled
AIN to MUXOUT On Resistance
1
200
REFERENCE INPUT
REFIN(+) to REFIN(–) Voltage
1, 7
2.475
2.5
2.525
V
NOREF Trigger Voltage
0.5
V
NOREF Bit in Channel Status Register
REFIN(+), REFIN(–)
Common-Mode Voltage
1
0AVDD
V
Reference Input Current
8
400
A
SYSTEM CALIBRATION1, 9
Full Scale Calibration Limit
+1.05
FS V
Zero Scale Calibration Limit
–1.05
FS
V
Input Span
0.8
FS
2.1
FS
V
(–40 C to +105 C, AVDD = 5 V
5%, DVDD = 2.7 V to 3.6 V or 5 V
5%,
REFIN(+) = 2.5 V, REFIN(–) = 0 V, AINCOM = 2.5 V, MUXOUT(+) = ADCIN(+), MUXOUT(–) = ADCIN(–), Internal Buffer ON, AIN Range =
1.25 V,
fMCLK = 6.144 MHz; unless otherwise noted.)
相關PDF資料
PDF描述
VE-23R-CU-F2 CONVERTER MOD DC/DC 7.5V 200W
AD9216BCPZRL7-65 IC ADC 10BIT DUAL 65MSPS 64LFCSP
VE-B2L-MW-F2 CONVERTER MOD DC/DC 28V 100W
VE-23P-IW-S CONVERTER MOD DC/DC 13.8V 100W
VI-264-MY CONVERTER MOD DC/DC 48V 50W
相關代理商/技術參數
參數描述
AD7738BRUZ-REEL7 功能描述:IC ADC 24BIT 8CH SIG-DEL 28TSSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1,000 系列:- 位數:12 采樣率(每秒):300k 數據接口:并聯(lián) 轉換器數目: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) 供應商設備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數目和類型:1 個單端,單極;1 個單端,雙極
AD7739 制造商:AD 制造商全稱:Analog Devices 功能描述:8-Channel, High Throughput, 24-Bit Sigma-Delta ADC
AD7739BRU 功能描述:IC ADC 24BIT 8-CH 24-TSSOP RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1,000 系列:- 位數:12 采樣率(每秒):300k 數據接口:并聯(lián) 轉換器數目: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) 供應商設備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數目和類型:1 個單端,單極;1 個單端,雙極
AD7739BRU-REEL 功能描述:IC ADC 24BIT 8CH SIG-DEL 24TSSOP RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1,000 系列:- 位數:12 采樣率(每秒):300k 數據接口:并聯(lián) 轉換器數目: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) 供應商設備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數目和類型:1 個單端,單極;1 個單端,雙極
AD7739BRU-REEL7 制造商:Analog Devices 功能描述:ADC Single Delta-Sigma 3.05Msps 24-bit Serial 24-Pin TSSOP T/R 制造商:Analog Devices 功能描述:ADC SGL DELTA-SIGMA 15.133KSPS 24BIT SERL 24TSSOP - Tape and Reel