参数资料
型号: MAX19705ETM+T
厂商: Maxim Integrated Products
文件页数: 33/37页
文件大小: 0K
描述: IC ANLG FRNT END 48-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
位数: 10
通道数: 4
功率(瓦特): 28.2mW
电压 - 电源,模拟: 2.7 V ~ 3.3 V
电压 - 电源,数字: 1.8 V ~ 3.3 V
封装/外壳: 48-WFQFN 裸露焊盘
供应商设备封装: 48-TQFN-EP(7x7)
包装: 带卷 (TR)
MAX19705
10-Bit, 7.5Msps, Ultra-Low-Power
Analog Front-End
_______________________________________________________________________________________
5
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 3V, OVDD = 1.8V, internal reference (1.024V), CL
≈ 10pF on all digital outputs, fCLK = 7.5MHz (50% duty cycle), Rx ADC input
amplitude = -0.5dBFS, Tx DAC output amplitude = 0dBFS, differential Rx ADC input, differential Tx DAC output, CREFP = CREFN =
CCOM = 0.33F, unless otherwise noted. CL < 5pF on all aux-DAC outputs. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Tx DAC DC ACCURACY
Resolution
N
10
Bits
Integral Nonlinearity
INL
±0.35
LSB
Differential Nonlinearity
DNL
Guaranteed monotonic (Note 2)
-1
±0.25
+1
LSB
Residual DC Offset
VOS
-4
±0.06
+4
mV
Full-Scale Gain Error
Include reference error (peak-to-peak error)
-55
+55
mV
Tx DAC DYNAMIC PERFORMANCE
DAC Conversion Rate
fCLK
(Note 3)
7.5
MHz
In-Band Noise Density
ND
fOUT = 620kHz, fCLK = 7.5MHz
-127
dBc/Hz
Third-Order Intermodulation
Distortion
IM3
f1 = 620kHz, f2 = 640kHz
78
dBc
Glitch Impulse
10
pVs
Spurious-Free Dynamic Range to
Nyquist
SFDR
fCLK = 7.5MHz, fOUT = 620kHz
59
77.2
dBc
Total Harmonic Distortion to
Nyquist
THD
fCLK = 7.5MHz, fOUT = 620kHz
-76.1
-59.5
dB
Signal-to-Noise Ratio to Nyquist
SNR
fCLK = 7.5MHz, fOUT = 620kHz
61
dB
Tx DAC INTERCHANNEL CHARACTERISTICS
I-to-Q Output Isolation
fOUTX,Y = 500kHz, fOUTX,Y = 620kHz
90
dB
Gain Mismatch Between DAC
Outputs
Measured at DC
-0.4
±0.03
+0.4
dB
Phase Mismatch Between DAC
Outputs
fOUT = 620kHz, fCLK = 7.5MHz
±0.08
Degrees
Differential Output Impedance
800
Tx DAC ANALOG OUTPUT
Full-Scale Output Voltage
VFS
±400
mV
Bits CM1 = 0, CM0 = 0 (default)
1.30
1.35
1.48
Bits CM1 = 0, CM0 = 1
1.2
Bits CM1 = 1, CM0 = 0
1.05
Output Common-Mode Voltage
VCOM
Bits CM1 = 1, CM0 = 1
0.9
V
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