参数资料
型号: AD7468BRT-R2
厂商: Analog Devices Inc
文件页数: 24/29页
文件大小: 0K
描述: IC ADC 8BIT 1.6V LP SOT-23-6
标准包装: 1
位数: 8
采样率(每秒): 200k
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 900µW
电压电源: 单电源
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: SOT-23-6
供应商设备封装: SOT-23-6
包装: 剪切带 (CT)
输入数目和类型: 1 个单端,单极
其它名称: AD7468BRT-R2CT
AD7466/AD7467/AD7468
Rev. C | Page 3 of 28
SPECIFICATIONS
AD7466
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.
The temperature range for the B version is 40°C to +85°C.
Table 1.
Parameter
B Version
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
fIN = 30 kHz sine wave
Signal-to-Noise and Distortion (SINAD)
69
dB min
1.8 V ≤ VDD ≤ 2 V; see the Terminology section
70
dB min
2.5 V ≤ VDD ≤ 3.6 V
70
dB typ
VDD = 1.6 V
Signal-to-Noise Ratio (SNR)
70
dB min
1.8 V ≤ VDD ≤ 2 V; see the Terminology section
71
dB typ
1.8 V ≤ VDD ≤ 2 V
71
dB min
2.5 V ≤ VDD ≤ 3.6 V
70.5
dB typ
VDD = 1.6 V
Total Harmonic Distortion (THD)
83
dB typ
See the Terminology section
Peak Harmonic or Spurious Noise (SFDR)
85
dB typ
See the Terminology section
Intermodulation Distortion (IMD)
fa = 29.1 kHz, fb = 29.9 kHz; see the Terminology
section
Second-Order Terms
84
dB typ
Third-Order Terms
86
dB typ
Aperture Delay
10
ns typ
Aperture Jitter
40
ps typ
Full Power Bandwidth
3.2
MHz typ
@ 3 dB, 2.5 V ≤ VDD ≤ 3.6 V
1.9
MHz typ
@ 3 dB, 1.6 V ≤ VDD ≤ 2.2 V
750
kHz typ
@ 0.1 dB, 2.5 V ≤ VDD ≤ 3.6 V
450
kHz typ
@ 0.1 dB, 1.6 V ≤ VDD ≤ 2.2 V
DC ACCURACY
Maximum specifications apply as typical figures when
VDD = 1.6 V
Resolution
12
Bits
Integral Nonlinearity
±1.5
LSB max
See the Terminology section
Differential Nonlinearity
0.9/+1.5
LSB max
Guaranteed no missed codes to 12 bits; see the
Offset Error
±1
LSB max
See the Terminology section
Gain Error
±1
LSB max
See the Terminology section
Total Unadjusted Error (TUE)
±2
LSB max
See the Terminology section
ANALOG INPUT
Input Voltage Ranges
0 to VDD
V
DC Leakage Current
±1
μA max
Input Capacitance
20
pF typ
LOGIC INPUTS
Input High Voltage, VINH
0.7 × VDD
V min
1.6 V ≤ VDD < 2.7 V
2
V min
2.7 V ≤ VDD ≤ 3.6 V
Input Low Voltage, VINL
0.2 × VDD
V max
1.6 V ≤ VDD < 1.8 V
0.3 × VDD
V max
1.8 V ≤ VDD < 2.7 V
0.8
V max
2.7 V ≤ VDD ≤ 3.6 V
Input Current, IIN, SCLK Pin
±1
μA max
Typically 20 nA, VIN = 0 V or VDD
Input Current, IIN, CS Pin
±1
μA typ
Input Capacitance, CIN
10
pF max
Sample tested at 25°C to ensure compliance
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