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參數(shù)資料
型號(hào)： AD7888(中文)
廠商： Analog Devices, Inc.
英文描述： 2.7 V to 5.25 V, Micro Power, 8-Channel,125kSPS,12-Bit ADC(微功耗,125kSPS,8通道12位A/D轉(zhuǎn)換器)
中文描述： 2.7 V至5.25 V，微功耗，8通道，125kSPS的12位模數(shù)轉(zhuǎn)換器（微功耗，125kSPS的8通道12位的A / D轉(zhuǎn)換器）
文件頁(yè)數(shù)： 5/16頁(yè)
文件大小： 326K
代理商： AD7888(中文)
==00-2-25==
P&S
ooá|′μ×ó1é· YóDT1
==16-5==
P &S
oo á|′μ×ó1é· YóDT1
μ :
ot±±ooêD×μèa· 15o
μ°:
( 86) ( 027￡87493500 87493506
D :
ooêD70020D
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( 86) ( 027) 87491166, 87493497
óê±à:
430079
P&Sí í :
http://www.p8s.com
2. 2 μìD
￡¨3y· áí óDμ÷￡
V
DD
=+2.7V
á
+5.25V
￡
REF
IN
/REF
OUT
=2.5V
ía2
/
ú2ù×￡
f
SCLK
=2MHz
￡
T
A
=T
MIN
á
T
MAX
￡
A Version
1
B Version
1
Units
Parameter
Test Conditions/Comments
DYNAMIC PERFORMANCE
Signal to Noise + Distortion Ratio
2
70
(SNR)
Total Harmonic Distortion (THD)
Peak Harmonic or Spurious Noise
Intermodulation Distortion (IMD)
Second Order Terms
Third Order Terms
Channel-to-Channel Isolation
Full Power Bandwidth
71
dB min
Typically SNR is 72 dB
V
IN
= 10 kHz Sine Wave, f
SAMPLE
= 125 ksps
V
IN
= 10 kHz Sine Wave, f
SAMPLE
= 125 ksps
V
IN
= 10 kHz Sine Wave, f
SAMPLE
= 125 ksps
78
78
78
78
dB max
dB max
78
78
80
80
80
80
dB typ
dB typ
dB typ
MHz typ
fa = 9.983 kHz, fb = 10.05 kHz, f
SAMPLE
= 125 ksps
fa = 9.983 kHz, fb = 10.05 kHz, f
SAMPLE
= 125 ksps
V
= 25 kHz
@ 3 dB
DC ACCURACY
Resolution
Integral Nonlinearity
Differential Nonlinearity
Any Channel
12
2
2
12
1
1
Bits
LSB max
LSB max
Guaranteed No Missed Codes to 11 Bits (A Grade)
12 Bits (B Grade).
Total Unadjusted Error
Offset Error
Offset Error Match
Gain Error
Gain Error Match
3
3
3
3
3
3
3
3
3
3
LSB typ
LSB max
LSB max
LSB max
LSB max
ANALOG INPUT
Input Voltage Ranges
Leakage Current
Input Capacitance
0 to V
REF
1
38
4
0 to V
REF
1
38
4
Volts
A max
pF typ
pF typ
When in Track.
When in Hold.
REFERENCE INPUT/OUTPUT
REF
Input Voltage Range
Input Impedance
REF
OUT
Output Voltage
REF
OUT
Tempco
2.3/V
DD
10
2.45/2.55
50
2.3/V
DD
10
2.45/2.55
50
V min/max
kWtyp
V min/max
ppm/ C typ
Functional from 1.2 V
Very High Impedance if Internal Reference Disabled
LOGIC INPUTS
Input High Voltage, V
INH
2.4
2.1
0.8
10
10
2.4
2.1
0.8
10
10
V min
V min
V max
A max
pF max
V
DD
= 4.75 V to 5.25 V
V
DD
=2.7 V to 3.6V
V
DD
= 2.7 V to 5.25 V
Typically 10 nA, V
IN
= 0 V or V
DD
Input Low Voltage, V
INL
Input Current, I
IN
Input Capacitance, C
IN3
LOGIC OUTPUTS
Output High Voltage, V
OH
I
SOURCE
= 200 A
V
DD
= 2.7 V to 5.25 V
I
SINK
=200 A
V
DD
-0.5
0.4
10
V
DD
-0.5
0.4
10
10
V min
V max
A max
pF max
Output Low Voltage, V
Floating-State Leakage Current
Floating-State Output Capacitance
4
10
Output Coding
Straight (Natural) Binary
CONVERSION RATE
Throughput Time
16
16
SCLK cycles Conversion Time + Acquisition Time. 125ksps with 2MHz
clock
SCLK cycles
SCLK cycles 7.25 s (2MHz clock)
Track/Hold Acquisition Time
Conversion Time
1.5
14.5
1.5
14.5
相關(guān)PDF資料
PDF描述
AD7888 +2.7 V to +5.25 V, Micropower, 8-Channel, 125 kSPS, 12-Bit ADC in 16-Lead TSSOP
AD7888AR +2.7 V to +5.25 V, Micropower, 8-Channel, 125 kSPS, 12-Bit ADC in 16-Lead TSSOP
AD7888ARU +2.7 V to +5.25 V, Micropower, 8-Channel, 125 kSPS, 12-Bit ADC in 16-Lead TSSOP
AD7888BR +2.7 V to +5.25 V, Micropower, 8-Channel, 125 kSPS, 12-Bit ADC in 16-Lead TSSOP
AD7888BRU +2.7 V to +5.25 V, Micropower, 8-Channel, 125 kSPS, 12-Bit ADC in 16-Lead TSSOP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD7888AR 制造商:Analog Devices 功能描述:ADC Single SAR 125ksps 12-bit Serial 16-Pin SOIC N 制造商:Analog Devices 功能描述:IC 12BIT ADC 8CH MICROPOWER 7888
AD7888AR-REEL 制造商:Analog Devices 功能描述:ADC Single SAR 125ksps 12-bit Serial 16-Pin SOIC N T/R
AD7888AR-REEL7 制造商:Analog Devices 功能描述:ADC Single SAR 125ksps 12-bit Serial 16-Pin SOIC N T/R
AD7888ARU 功能描述:IC ADC 12BIT 8CH 125KSPS 16TSSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 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
AD7888ARU-REEL 功能描述:IC ADC 12BIT 8CH SRL 16-TSSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個(gè)單端，單極
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