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参数资料
| 型号： | AD7357YRUZ-RL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 16/21页 |
| 文件大小： | 0K |
| 描述： | IC ADC DUAL14BIT 4.2MSPS 16TSSOP |
| 设计资源： | DC-Coupled, Single-Ended-to-Differential Conversion Using AD8138 and AD7357 (CN0061) |
| 标准包装： | 2,500 |
| 位数： | 14 |
| 采样率（每秒）： | 4.2M |
| 数据接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 2 |
| 功率耗散（最大）： | 59mW |
| 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 |
AD7357
Rev. B | Page 3 of 20
SPECIFICATIONS
VDD = 2.5 ± 10% V, VDRIVE = 2.25 V to 3.6 V, internal reference = 2.048 V, fSCLK = 80 MHz, fSAMPLE = 4.2 MSPS; TA = TMIN to TMAX1, unless
otherwise noted.
Table 2.
AD7357B/AD7357Y
AD7357WY
Parameter
Min
Typ
Max
Min
Typ
Max
Unit
Test Conditions/
Comments
DYNAMIC PERFORMANCE
fIN = 500 kHz sine wave
Signal-to-Noise Ratio (SNR)
74.5
76.5
74.5
76.5
dB
74
40°C to +25°C only
Signal-to-Noise and Distortion (SINAD)2
74
76
74
76
dB
73.5
40°C to +25°C only
Total Harmonic Distortion (THD)2
83
80
83
80
dB
79
40°C to +25°C only
Spurious Free Dynamic Range (SFDR)
85
82
85
82
dB
81
40°C to +25°C only
Intermodulation Distortion (IMD)2
fa = 1 MHz + 50 kHz,
fb = 1 MHz – 50 kHz
Second-Order Terms
86
dB
Third-Order Terms
79
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
@ 0.1 dB
DC ACCURACY
Resolution
14
Bits
Integral Nonlinearity (INL)2
±2
±3
±2
±3
LSB
Differential Nonlinearity (DNL)2
±0.5
±0.99
±0.5
±0.99
LSB
Guaranteed no missed
codes to 14 bits
Positive Full-Scale Error2
±20
LSB
Positive Full-Scale Error Match2
±20
LSB
Midscale Error2
0/35
0/38
LSB
Midscale Error Match2
±12
±15
LSB
Negative Full-Scale Error2
±20
LSB
Negative Full-Scale Error Match2
±20
LSB
ANALOG INPUT
Fully Differential Input Range
(VIN+ and VIN)
VCM ± VREF/2
VCM ±
VREF/2
V
VCM = common-mode
voltage; VIN+ and VIN must
remain within GND and VDD
Common-Mode Voltage Range
0.5
1.6
0.5
1.6
V
The voltage around which
VIN+ and VIN are centered
DC Leakage Current
±0.5
±5
±0.5
±5
μA
Input Capacitance
32
pF
When in track mode
8
pF
When in hold mode
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