参数资料
型号: AD7352YRUZ-RL
厂商: Analog Devices Inc
文件页数: 16/21页
文件大小: 0K
描述: IC ADC DUAL 12BIT 3MSPS 16TSSOP
设计资源: DC-Coupled, Single-Ended-to-Differential Conversion Using AD8138 and AD7352 (CN0040)
标准包装: 2,500
位数: 12
采样率(每秒): 3M
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 2
功率耗散(最大): 45mW
电压电源: 单电源
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 16-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 16-TSSOP
包装: 带卷 (TR)
输入数目和类型: 2 个差分,双极
AD7352
Rev. A | Page 3 of 20
SPECIFICATIONS
VDD = 2.5 V ± 10%, VDRIVE = 2.25 V to 3.6 V, internal reference = 2.048 V, fSCLK = 48 MHz, fSAMPLE = 3 MSPS, TA = TMIN to TMAX1, unless
otherwise noted.
Table 2.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
fIN = 1 MHz sine wave
Signal-to-Noise Ratio (SNR)2
70
71.5
dB
Signal-to-(Noise and Distortion) (SINAD)2
69.5
71
dB
Total Harmonic Distortion (THD)2
84
77.5
dB
Spurious Free Dynamic Range (SFDR)2
85
78.5
dB
Intermodulation Distortion (IMD)2
fa = 1 MHz + 50 kHz, fb = 1 MHz 50 KHz
Second-Order Terms
84
dB
Third-Order Terms
76
dB
ADC-to-ADC Isolation2
100
dB
fIN = 1 MHz, fNOISE = 100 kHz to 2.5 MHz
100
dB
fNOISE = 100 kHz to 2.5 MHz
SAMPLE AND HOLD
Aperture Delay
3.5
ns
Aperture Delay Match
40
ps
Aperture Jitter
16
ps
Full Power Bandwidth
@ 3 dB
110
MHz
@ 0.1 dB
77
MHz
DC ACCURACY
Resolution
12
Bits
Integral Nonlinearity (INL)2
±0.4
±1
LSB
Differential Nonlinearity (DNL)2
±0.5
±0.99
LSB
Guaranteed no missed codes to 12 bits
Positive Full-Scale Error2
±1
±6
LSB
Positive Full-Scale Error Match2
±2
±8
LSB
Midscale Error2
+5
0/+11
LSB
Midscale Error Match2
±2
±8
LSB
Negative Full-Scale Error2
±1
±6
LSB
Negative Full-Scale Error Match2
±2
±8
LSB
ANALOG INPUT
Fully Differential Input Range (VIN+ and VIN)
VCM ± VREF/2
V
VCM = common-mode voltage, VIN+ and VIN
must remain within GND and VDD
Common-Mode Voltage Range
0.5
1.9
V
The voltage around which VIN+ and VIN are centered
DC Leakage Current
±0.5
±5
μA
Input Capacitance
32
pF
When in track mode
8
pF
When in hold mode
REFERENCE INPUT/OUTPUT
VREF Input Voltage Range
2.048 + 0.1
VDD
V
VREF Input Current
0.3
0.45
mA
When in reference overdrive mode
VREF Output Voltage
2.038
2.058
V
2.048 V ± 0.5% max @ VDD = 2.5 V ± 5%
2.043
2.053
V
2.048 V ± 0.25% max @ VDD = 2.5 V ± 5% and 25°C
VREF Temperature Coefficient
6
20
ppm/°C
VREF Long Term Stability
100
ppm
For 1000 hours
VREF Thermal Hysteresis2
50
ppm
VREF Noise
60
μV rms
VREF Output Impedance
1
Ω
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