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: 6/37页
文件大小: 561K
代理商: MAX19708
M
10-Bit, 45Msps, Ultra-Low-Power
Analog Front-End
6
_______________________________________________________________________________________
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–Tx DAC INTERCHANNEL CHARACTERISTICS
Receive Transmit Isolation
ADC f
INI
= f
INQ
= 5.5MHz, DAC f
OUTI
=
f
OUTQ
= 2.2MHz, f
CLK
= 45MHz
85
dB
AUXILIARY ADC (ADC1, ADC2)
Resolution
N
10
Bits
AD1 = 0 (default)
AD1 = 1
2.048
V
DD
0 to
V
REF
500
Full-Scale Reference
V
REF
V
Analog Input Range
V
Analog Input Impedance
At DC
k
Input-Leakage Current
Measured at unselected input from 0 to
V
REF
Includes reference error
±0.1
μA
Gain Error
Zero-Code Error
Differential Nonlinearity
Integral Nonlinearity
Supply Current
AUXILIARY DACs (DAC1, DAC2, DAC3)
Resolution
Integral Nonlinearity
GE
ZE
DNL
INL
-5
+5
%FS
mV
LSB
LSB
μA
2
±0.53
±0.45
210
N
(Note 6)
12
Bits
LSB
INL
±1.25
Differential Nonlinearity
DNL
Guaranteed monotonic over codes 100 to
4000 (Note 6)
-1.0
±0.65
+1.1
LSB
Gain Error
Zero-Code Error
Output-Voltage Low
Output-Voltage High
DC Output Impedance
Settling Time
Glitch Impulse
Rx ADC–Tx DAC TIMING CHARACTERISTICS
GE
ZE
V
OL
V
OH
R
L
> 200k
±0.7
±0.6
%FS
%FS
V
V
μs
nV
s
R
L
> 200k
R
L
> 200k
DC output at midscale
From 1/4 FS to 3/4 FS, within ±10 LSB
From 0 to FS transition
0.1
2.56
4
1
24
CLK Rise to Channel-I Output Data
Valid
t
DOI
Figure 3 (Note 6)
5.4
6.5
8.1
ns
CLK Fall to Channel-Q Output
Data Valid
t
DOQ
Figure 3 (Note 6)
7.3
8.8
11.1
ns
I-DAC DATA to CLK Fall Setup
Time
t
DSI
Figure 5 (Note 6)
9
ns
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