参数资料
型号: MAX19708
厂商: Maxim Integrated Products, Inc.
英文描述: 10-Bit, 45Msps, Ultra-Low-Power Analog Front-End
中文描述: 10位、11Msps、超低功耗模拟前端
文件页数: 4/37页
文件大小: 561K
代理商: MAX19708
M
10-Bit, 45Msps, Ultra-Low-Power
Analog Front-End
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= 3V, OV
DD
= 1.8V, internal reference (1.024V), C
L
10pF on all digital outputs, f
CLK
= 45MHz (50% duty cycle), Rx ADC input
amplitude = -0.5dBFS, Tx DAC output amplitude = 0dBFS, differential Rx ADC input, differential Tx DAC output, C
REFP
= C
REFN
=
C
COM
= 0.33μF, unless otherwise noted. C
L
< 5pF on all aux-DAC outputs. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Rx ADC ANALOG INPUT
Input Differential Range
V
ID
Differential or single-ended inputs
±0.512
V
Input Common-Mode Voltage
Range
V
CM
V
DD
/ 2
V
R
IN
C
IN
Switched capacitor load
120
5
k
pF
Input Impedance
Rx ADC CONVERSION RATE
Maximum Clock Frequency
f
CLK
(Note 2)
Channel I
Channel Q
45
MHz
5
Data Latency (Figure 3)
5.5
Clock
Cycles
Rx ADC DYNAMIC CHARACTERISTICS (Note 3)
f
IN
= 5.5MHz, f
CLK
= 45MHz
f
IN
= 22MHz, f
CLK
= 45MHz
f
IN
= 5.5MHz, f
CLK
= 45MHz
f
IN
= 22MHz, f
CLK
= 45MHz
f
IN
= 5.5MHz, f
CLK
= 45MHz
f
IN
= 22MHz, f
CLK
= 45MHz
f
IN
= 5.5MHz, f
CLK
= 45MHz
f
IN
= 22MHz, f
CLK
= 45MHz
f
1
=
1.8
MHz, -7dBFS;
f
2
= 1MHz, -7dBFS
52.5
54.2
54.1
54.1
54
71.2
70.4
-78.1
-73.1
Signal-to-Noise Ratio
SNR
dB
52.2
Signal-to-Noise Plus Distortion
SINAD
dB
62.1
Spurious-Free Dynamic Range
SFDR
dBc
Third-Harmonic Distortion
HD3
dBc
Intermodulation Distortion
IMD
-68.6
dBc
Third-Order Intermodulation
Distortion
IM3
f
1
= 1.8MHz, -7dBFS;
f
2
= 1MHz, -7dBFS
f
IN
= 5.5MHz, f
CLK
= 45MHz
f
IN
= 22MHz, f
CLK
= 45MHz
-79.2
dBc
-68.4
-68.8
3.5
2
-61.5
Total Harmonic Distortion
THD
dBc
Aperture Delay
Overdrive Recovery Time
Rx ADC INTERCHANNEL CHARACTERISTICS
ns
ns
1.5x full-scale input
Crosstalk Rejection
f
IN X,Y
= 5.5MH z at - 0.5d BFS f
IN X,Y
= 1.8MH z
at - 0.5d BFS ( N ote 4)
-90
dB
Amplitude Matching
Phase Matching
f
IN
= 5.5MHz at -0.5dBFS (Note 5)
f
IN
= 5.5MHz at -0.5dBFS (Note 5)
±0.01
±0.03
dB
D eg ees
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