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參數(shù)資料
| 型號： | AD7468BRT |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | 1.8 V, Micro-Power, 8/10/12-Bit ADCs in 6 Lead SOT-23 |
| 中文描述： | 1-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO6 |
| 封裝： | MO-178AB, SOT-23, 6 PIN |
| 文件頁數(shù)： | 18/24頁 |
| 文件大小： | 327K |
| 代理商： | AD7468BRT |
–3–
REV. PrF
PRELIMINARY TECHNICAL DATA
(VDD = 1.6 V to 3.6 V, fSCLK = 3.4 MHz, fSAMPLE = 100 kSPS unless otherwise noted;
TA = TMIN to TMAX, unless otherwise noted.)
AD7466–SPECIFICATIONS1
Parameter
B Version
1, 2
Unit
Test Conditions/Comments
POWER REQUIREMENTS(continued)
Power-Down
0.5
A max
SCLK Off
T B D
A max
SCLK On
Power Dissipation
5
Normal Mode (Operational)
0.66
mW max
VDD= 3V, fSAMPLE=100KSPS
0.42
mW max
VDD= 2.5V, fSAMPLE=100KSPS
0.18
mW max
VDD= 1.8V, fSAMPLE=100KSPS
Power-Down
T B D
W max
VDD= 3V, SCLK Off
T B D
W max
VDD= 2.5V, SCLK Off
T B D
W max
VDD= 1.8V, SCLK Off
NOTES
1Temperature ranges as follows: B Versions: –40°C to +85°C.
2See Terminology.
3Sample tested at 25°C to ensure compliance.
4See TPC10 Supply current vs Supply voltage.
5See Power Consumption section.
Specifications subject to change without notice.
AD7467–SPECIFICATIONS1
(VDD = 1.6 V to 3.6 V, fSCLK = 3.4 MHz, fSAMPLE = 100 kSPS unless otherwise noted;
TA = TMIN to TMAX, unless otherwise noted.)
Parameter
B Version
1, 2
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
fIN = 30 kHz Sine Wave,
Signal-to-Noise + Distortion (SINAD)
2
61
dB min
Total Harmonic Distortion (THD)2
–73
dB max
Peak Harmonic or Spurious Noise (SFDR)
2
–74
dB max
Intermodulation Distortion (IMD)
2
fa = 29.1 kHz, fb = 29.9 kHz
Second Order Terms
–78
dB typ
Third Order Terms
–78
dB typ
Aperture Delay
10
ns typ
Aperture Jitter
30
ps typ
Full Power Bandwidth
T B D
MHz typ
@ 3 dB
Full Power Bandwidth
T B D
MHz typ
@ 0.1 dB
DC ACCURACY
Resolution
10
Bits
Integral Nonlinearity
± 1
LSB max
Differential Nonlinearity
±0.9
LSB max
Guaranteed No Missed Codes to 10 Bits
Offset Error
± 1
LSB max
Gain Error
± 1
LSB max
Total Unajusted Error (TUE)
T B D
LSB max
ANALOG INPUT
Input Voltage Ranges
0 to VDD
V
DC Leakage Current
± 1
A max
Input Capacitance
30
pF typ
LOGIC INPUTS
Input High Voltage, VINH
0.7(VDD)
V min
1.6V
Vdd< 2.7V
2
V min
2.7V
Vdd
3.6V
Input Low Voltage, VINL
0.2(VDD)
V max
1.6V
Vdd< 1.8V
0.3(VDD)
V max
1.8V
Vdd< 2.7V
0.8
V max
2.7V
Vdd
3.6V
Input Current, IIN, SCLK Pin
± 1
A max
Typically 10 nA, VIN = 0 V or VDD
Input Current, IIN,
CS Pin
± 1
A typ
Input Capacitance, CIN
3
10
pF max
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