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參數資料
型號： AD7854L*
廠商： Analog Devices, Inc.
英文描述： 3.3V/5V Low Power RS232 3-Driver/5-Receiver Transceiver; Package: SSOP; No of Pins: 28; Temperature Range: 0°C to +70°C
中文描述： 3 V至5 V單電源。 200 kSPS的12位采樣ADC
文件頁數： 2/28頁
文件大小： 264K
Parameter
A Version
1
B Version
1
S Version
1
Units
Test Conditions/Comments
DYNAMIC PERFORMANCE
Signal to Noise + Distortion Ratio
3
(SNR)
70
71
70
dB min
Typically SNR is 72 dB
V
IN
= 10 kHz Sine Wave, f
SAMPLE
= 200 kHz
(L Version: f
SAMPLE
= 100 kHz @ f
CLKIN
= 2 MHz)
V
IN
= 10 kHz Sine Wave, f
SAMPLE
= 200 kHz
(L Version: f
SAMPLE
= 100 kHz @ f
CLKIN
= 2 MHz)
V
IN
= 10 kHz Sine Wave, f
SAMPLE
= 200 kHz
(L Version: f
SAMPLE
= 100 kHz @ f
CLKIN
= 2 MHz)
Total Harmonic Distortion (THD)
–78
–78
–78
dB max
Peak Harmonic or Spurious Noise
–78
–78
–78
dB max
Intermodulation Distortion (IMD)
Second Order Terms
–78
–78
–78
dB typ
fa = 9.983 kHz, fb = 10.05 kHz, f
SAMPLE
= 200 kHz
(L Version: f
SAMPLE
= 100 kHz @ f
CLKIN
= 2 MHz)
fa = 9.983 kHz, fb = 10.05 kHz, f
SAMPLE
= 200 kHz
(L Version: f
SAMPLE
= 100 kHz @ f
CLKIN
= 2 MHz)
Third Order Terms
–78
–78
–78
dB typ
DC ACCURACY
Resolution
Integral Nonlinearity
Differential Nonlinearity
Unipolar Offset Error
12
±
1
±
1
±
3
±
2
±
4
±
2
±
4
±
2
±
4
±
2
±
4
12
±
0.5
±
1
±
3
±
2
±
4
±
2
±
4
±
2
±
4
±
2
±
4
12
±
1
±
1
±
4
±
2
±
4
±
2
±
5
±
2
±
5
±
2
±
5
Bits
LSB max
LSB max
LSB max
LSB typ
LSB max
LSB typ
LSB max
LSB typ
LSB max
LSB typ
LSB max
5 V Reference V
DD
= 5 V
Guaranteed No Missed Codes to 12 Bits
Unipolar Gain Error
Bipolar Positive Full-Scale Error
Negative Full-Scale Error
Bipolar Zero Error
ANALOG INPUT
Input Voltage Ranges
0 to V
REF
0 to V
REF
0 to V
REF
Volts
i.e., AIN(+) – AIN(–) = 0 to V
REF
, AIN(–) can be
biased up but AIN(+) cannot go below AIN(–).
i.e., AIN(+) – AIN(–) = –V
REF
/2 to +V
REF
/2, AIN(–)
should be biased to +V
REF
/2 and AIN(+) can go below
AIN(–) but cannot go below 0 V.
±
V
REF
/2
±
V
REF
/2
±
V
REF
/2
Volts
Leakage Current
Input Capacitance
±
1
20
±
1
20
±
1
20
μ
A max
pF typ
REFERENCE INPUT/OUTPUT
REF
IN
Input Voltage Range
Input Impedance
REF
OUT
Output Voltage
REF
OUT
Tempco
2.3/V
DD
150
2.3/2.75
20
2.3/V
DD
150
2.3/2.7
20
2.3/V
DD
150
2.3/2.7
20
V min/max
k
typ
V min/max
ppm/
°
C typ
Functional from 1.2 V
LOGIC INPUTS
Input High Voltage, V
INH
3
2.1
0.4
0.6
±
10
10
3
2.1
0.4
0.6
±
10
10
3
2.1
0.4
0.6
±
10
10
V min
V min
V max
V max
μ
A max
pF max
AV
DD
= DV
DD
= 4.5 V to 5.5 V
AV
DD
= DV
DD
= 3.0 V to 3.6 V
AV
DD
= DV
DD
= 4.5 V to 5.5 V
AV
DD
= DV
DD
= 3.0 V to 3.6 V
Typically 10 nA, V
IN
= 0 V or V
DD
Input Low Voltage, V
INL
Input Current, I
IN
Input Capacitance, C
IN4
LOGIC OUTPUTS
Output High Voltage, V
OH
I
SOURCE
= 200
μ
A
AV
DD
= DV
DD
= 4.5 V to 5.5 V
AV
DD
= DV
DD
= 3.0 V to 3.6 V
4
2.4
4
2.4
4
2.4
V min
V min
Output Low Voltage, V
OL
Floating-State Leakage Current
Floating-State Output Capacitance
4
Output Coding
0.4
±
10
10
0.4
±
10
10
0.4
±
10
10
V max
μ
A max
pF max
I
SINK
= 0.8 mA
Straight (Natural) Binary
Twos Complement
Unipolar Input Range
Bipolar Input Range
CONVERSION RATE
Conversion Time
Track/Hold Acquisition Time
t
CLKIN
×
18
(L Versions Only, 0
°
C to +70
°
C, 1.8 MHz CLKIN)
(L Versions Only, –40
°
C to +85
°
C, 1 MHz CLKIN)
4.6 (10)
0.5 (1)
4.6 (9)
0.5 (1)
4.6 (9)
0.5 (1)
μ
s max
μ
s min
AD7854/AD7854L–SPECIFICATIONS
1, 2
External Reference, f
CLKIN
= 4 MHz (for L Version: 1.8 MHz (0 C to +70 C) and 1 MHz (–40 C to +85 C)); f
SAMPLE
= 200 kHz (AD7854), 100 kHz
(AD7854L); T
A
= T
MIN
to T
MAX
, unless otherwise noted.) Specifications in () apply to the AD7854L.
(AV
DD
= DV
DD
= +3.0 V to +5.5 V, REF
IN
/REF
OUT
= 2.5 V
–2–
REV. B
相關PDF資料
PDF描述
AD7854BR 3 V to 5 V Single Supply, 200 kSPS 12-Bit Sampling ADCs
AD7854AR 3 V to 5 V Single Supply, 200 kSPS 12-Bit Sampling ADCs
AD7854L 12-Bit Sampling ADC(單電源,200kSPS 12位采樣A/D轉換器)
AD7854 12-Bit Sampling ADC(單電源,200kSPS 12位采樣A/D轉換器)
AD7858LARS 3 V to 5 V Single Supply, 200 kSPS 8-Channel, 12-Bit Sampling ADC
相關代理商/技術參數
參數描述
AD7854LAQ 制造商:Rochester Electronics LLC 功能描述:12 BIT SINGLE CHANNEL PARALLEL ADC I.C. - Bulk
AD7854LAR 制造商:Analog Devices 功能描述:ADC Single SAR 100ksps 12-bit Parallel 28-Pin SOIC W 制造商:Rochester Electronics LLC 功能描述:12-BIT SINGLE CHANNEL PARALLEL ADC I.C. - Bulk
AD7854LAR-REEL 制造商:Analog Devices 功能描述:ADC Single SAR 100ksps 12-bit Parallel 28-Pin SOIC W T/R 制造商:Analog Devices 功能描述:ADC SGL SAR 100KSPS 12-BIT PARALLEL 28SOIC W - Tape and Reel
AD7854LARS 功能描述:IC ADC 12BIT PARALLEL LP 28-SSOP RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 位數:12 采樣率（每秒）:3M 數據接口:- 轉換器數目:- 功率耗散（最大）:- 電壓電源:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應商設備封裝:SOT-23-6 包裝:帶卷 (TR) 輸入數目和類型:-
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