參數(shù)資料
型號(hào)： MAX5865
廠(chǎng)商： Maxim Integrated Products, Inc.
英文描述： Ultra-Low-Power, High-Dynamic- Performance, 40Msps Analog Front End
中文描述： 超低功耗、高動(dòng)態(tài)性能、40Msps模擬前端
文件頁(yè)數(shù)： 6/26頁(yè)
文件大?。?/td> 2144K
代理商： MAX5865
M
Ultra-Low-Power, High-Dynamic-
Performance, 40Msps 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
= 40MHz, ADC input amplitude = -0.5dBFS,
DAC output amplitude = 0dBFS, differential ADC input, differential DAC output, C
REFP
= C
REFN
= C
COM
= 0.33μF, Xcvr mode, unless
otherwise noted. Typical values are at T
A
= +25
°
C, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
From idle to Rx mode with CLK present
during idle, Figure 6, ADC settles to within
1dB SINAD
10
Idle Wake-Up Time (with CLK)
t
WAKE,ST0
From idle to Tx mode with CLK present
during idle, Figure 6, DAC settles to 10 LSB
error
10
μs
From standby to Rx mode, Figure 6, ADC
settles to within 1dB SINAD
10
Standby Wake-Up Time
t
WAKE,ST1
From standby to Tx mode, Figure 6, DAC
settles to 10 LSB error
40
μs
Enable Time from Xcvr or Tx to Rx
Enable Time from Xcvr or Rx to Tx
INTERNAL REFERENCE
(REFIN = V
DD
. V
REFP
, V
REFN
and V
COM
are generated internally.)
Positive Reference
Negative Reference
t
ENABLE, Rx
ADC settles to within 1dB SINAD
t
ENABLE, Tx
DAC settles to 10 LSB error
10
10
μs
μs
V
REFP
- V
COM
V
REFN
- V
COM
0.256
-0.256
V
V
Common-Mode Output Voltage
V
COM
V
DD
/ 2
- 0.15
V
DD
/ 2
V
DD
/ 2
+ 0.15
V
Differential Reference Output
V
REF
V
REFP
- V
REFN
+0.49
+0.512
+0.534
V
Differential Reference
Temperature Coefficient
REFTC
±
30
ppm/
°
C
Maximum REFP/REFN/COM
Source Current
I
SOURCE
2
mA
Maximum REFP/REFN/COM
Sink Current
I
SINK
2
mA
BUFFERED EXTERNAL REFERENCE
(REFIN = 1.024V.
V
REFP
, V
REFN
, and V
COM
are generated internally.)
Reference Input
V
REFIN
Differential Reference Output
V
DIFF
V
REFP
- V
REFN
Common-Mode Output Voltage
V
COM
Maximum REFP/REFN/COM
Source Current
1.024
0.512
V
DD
/ 2
V
V
V
I
SOURCE
2
mA
Maximum REFP/REFN/COM
Sink Current
I
SINK
2
mA
REFIN Input Resistance
REFIN Input Current
DIGITAL INPUTS (CLK, SCLK, DIN,
CS
, DD0–DD9)
>500
-0.7
k
μA
Input High Threshold
V
INH
DD0
–
DD9, CLK, SCLK, DIN,
CS
0.7 x
OV
DD
V
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