參數(shù)資料
型號： AD7899AR-3
英文描述： Dual 12-Bit Rail-to-Rail Micropower DACs; Package: SO; No of Pins: 16; Temperature Range: 0°C to +70°C
中文描述： 模擬到數(shù)字轉(zhuǎn)換器，14位
文件頁數(shù)： 2/20頁
文件大小： 191K
代理商： AD7899AR-3
REV. B
–2–
AD7890–SPECIFICATIONS
Parameter
A Versions
1
B Versions
S Version
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
Signal to (Noise + Distortion) Ratio
2
Total Harmonic Distortion (THD)
2
Peak Harmonic or Spurious Noise
2
Intermodulation Distortion
2nd Order Terms
3rd Order Terms
Channel-to-Channel Isolation
2
Using External
CONVST
. Any Channel
f
IN
= 10 kHz Sine Wave, f
SAMPLE
= 100 kHz
3
f
IN
= 10 kHz Sine Wave, f
SAMPLE
= 100 kHz
3
f
= 10 kHz Sine Wave, f
SAMPLE
= 100 kHz
3
fa = 9 kHz, fb = 9.5 kHz, f
SAMPLE
= 100 kHz
3
70
–78
–79
70
–78
–79
70
–78
–79
dB min
dB max
dB max
–80
–80
–80
–80
–80
–80
–80
–80
–80
dB typ
dB typ
dB max
f
IN
= 1 kHz Sine Wave
DC ACCURACY
Resolution
Minimum Resolution for Which
No Missing Codes Are Guaranteed
Relative Accuracy
2
Differential Nonlinearity
2
Positive Full-Scale Error
2
Full-Scale Error Match
4
AD7890-2, AD7890-4
Unipolar Offset Error
2
Unipolar Offset Error
Match
AD7890-10 Only
Negative Full-Scale Error
2
Bipolar Zero Error
Bipolar Zero Error
Match
12
12
12
Bits
12
±
1
±
1
±
2.5
2
12
±
0.5
±
1
±
2.5
2
12
±
1
±
1
±
2.5
2
Bits
LSB max
LSB max
LSB max
LSB max
±
2
2
±
2
2
±
2
2
LSB max
LSB max
±
2
±
5
2
±
2
±
5
2
±
2
±
5
2
LSB max
LSB max
LSB max
ANALOG INPUTS
AD7890-10
Input Voltage Range
Input Resistance
AD7890-4
Input Voltage Range
Input Resistance
AD7890-2
Input Voltage Range
Input Current
±
10
20
±
10
20
±
10
20
Volts
k
min
0 to 4.096
11
0 to 4.096
11
0 to 4.096
11
Volts
k
min
0 to 2.5
50
0 to 2.5
50
0 to 2.5
200
Volts
nA max
MUX OUT OUTPUT
Output Voltage Range
Output Resistance
(AD7890-10, AD7890-4)
(AD7890-2)
0 to 2.5
0 to 2.5
0 to 2.5
Volts
3/5
2
3/5
2
3/5
2
k
min/k
max
k
max
Assuming V
IN
Is Driven from Low Impedance
SHA IN INPUT
Input Voltage Range
Input Current
0 to 2.5
±
50
0 to 2.5
±
50
0 to 2.5
±
50
Volts
nA max
REFERENCE OUTPUT/INPUT
REF IN Input Voltage Range
Input Impedance
Input Capacitance
5
REF OUT Output Voltage
REF OUT Error @ 25
°
C
T
MIN
to T
MAX
REF OUT Temperature Coefficient
REF OUT Output Impedance
2.375/2.625
1.6
10
2.5
±
10
±
20
25
2
2.375/2.625
1.6
10
2.5
±
10
±
20
25
2
2.375/2.625
1.6
10
2.5
±
10
±
25
25
2
V min/V max
k
min
pF max
V nom
mV max
mV max
ppm/
°
C typ
k
nom
2.5 V
±
5%
Resistor Connected to Internal Reference Node
LOGIC INPUTS
Input High Voltage, V
INH
Input Low Voltage, V
INL
Input Current, I
IN
Input Capacitance, C
IN5
2.4
0.8
±
10
10
2.4
0.8
±
10
10
2.4
0.8
±
10
10
V min
V max
μ
A max
pF max
V
DD
= 5 V
±
5%
V
DD
= 5 V
±
5%
V
IN
= 0 V to V
DD
(V
DD
= 5 V, AGND = DGND = 0 V, REF IN = 2.5 V, f
CLK IN
= 2.5 MHz external, MUX OUT
connect to SHA IN. All specifications T
MIN
to T
MAX
unless otherwise noted.)
相關(guān)PDF資料
PDF描述
AD7899ARS-1 Dual 12-Bit Rail-to-Rail Micropower DACs; Package: SO; No of Pins: 16; Temperature Range: -40°C to +85°C
AD7899ARS-2 Analog-to-Digital Converter， 14-Bit
AD7899ARS-3 Dual 12-Bit Rail-to-Rail Micropower DACs; Package: SO; No of Pins: 16; Temperature Range: 0°C to +70°C
AD7899BR-1 Analog-to-Digital Converter， 14-Bit
AD7899BR-3 12-Bit Rail-to-Rail Micropower DAC with Clear Input; Package: PDIP; No of Pins: 8; Temperature Range: 0°C to +70°C
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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AD7899ARS-1REEL 功能描述:IC ADC 14BIT 400KSPS 5V 28-SSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標準包裝: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 個單端，單極；1 個單端，雙極
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