Transfer Function .................................................................................................................................................. 13
Analog Input ......................................................................................................................................................... 13
Power Considerations ........................................................................................................................................... 22
Timing and Control ............................................................................................................................................... 23
Digital Filter Types ................................................................................................................................................ 26
Digital Interface .................................................................................................................................................... 33
Filtered Output Data .............................................................................................................................................. 36
No Latency Output Data ........................................................................................................................................ 45
Consult ADI Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to:
http://www.linear.com/tapeandreel/.
Some packages are available in 500 unit reels through
designated sales channels with #TRMPBF suffix.
250032fb
For more information
www.linear.com/LTC2500-32
3
LTC2500-32
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. (Note 4)
SYMBOL
V
IN+
V
IN–
V
IN+
– V
IN–
V
CM
I
IN
C
IN
CMRR
PARAMETER
Absolute Input Range (IN
+
)
Absolute Input Range (IN
–
)
Input Differential Voltage Range
Common Mode Input Range
Analog Input Leakage Current
Analog Input Capacitance
Input Common Mode Rejection Ratio
Sample Mode
Hold Mode
No Latency Output
V
IN+
= V
IN–
= 4.5V
P-P
, 2kHz Sine
CONDITIONS
(Note 5)
(Note 5)
V
IN
= V
IN+
– V
IN–
l
l
l
l
ELECTRICAL CHARACTERISTICS
MIN
0
0
−V
REF
0
TYP
MAX
V
REF
V
REF
V
REF
V
REF
UNITS
V
V
V
V
nA
pF
pF
dB
10
45
5
128
CONVERTER CHARACTERISTICS FOR FILTERED OUTPUT (SDOA)
The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T
A
= 25°C.
(Note 4)
SYMBOL
PARAMETER
Resolution
No Missing Codes
Transition Noise
DF
INL
ZSE
FSE
Down-Sampling Factor
Integral Linearity Error
Zero-Scale Error
Zero-Scale Error Drift
Full-Scale Error
Full-Scale Error Drift
(Notes 7, 8)
(Notes 7, 9)
(Note 7)
(Notes 7, 9)
(Note 7)
l
l
l
CONDITIONS
l
l
MIN
32
32
4
–2
13
–100
TYP
MAX
UNITS
Bits
Bits
(Note 6) See Table 2
16384
±0.5
0
±7
±10
±0.05
100
2
13
ppm
ppm
ppb/°C
ppm
ppm/°C
The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T
A
= 25°C and
ssinc filter. (Notes 4, 9)
SYMBOL
DR
PARAMETER
Dynamic Range
CONDITIONS
DF = 4
IN
+
= IN
–
= V
CM
, V
REF
= 5V, DF = 64
IN
+
= IN
–
= V
CM
, V
REF
= 5V, DF = 1024
l
l
l
DYNAMIC ACCURACY FOR FILTERED OUTPUT (SDOA)
MIN
110
122
129.5
TYP
116
128
138
MAX
UNITS
dB
dB
dB
The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T
A
= 25°C.
(Notes 4)
SYMBOL
PARAMETER
Resolution:
Differential
Common Mode
No Missing Codes:
Differential
Common Mode
Transition Noise:
Differential
Common Mode
CONDITIONS
l
l
l
l
CONVERTER CHARACTERISTICS FOR NO LATENCY OUTPUT (SDOB)
MIN
24
7
24
7
2.3
1
TYP
MAX
UNITS
Bits
Bits
Bits
Bits
ppm
RMS
LSB
RMS
250032fb
4
For more information
www.linear.com/LTC2500-32
LTC2500-32
The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T
A
= 25°C.
(Notes 4)
SYMBOL
INL
PARAMETER
Integral Linearity Error:
Differential
Common Mode
Zero-Scale Error:
Differential
Common Mode
Zero-Scale Error Drift:
Differential
FSE
Full-Scale Error:
Differential
Common Mode
Full-Scale Error Drift:
Differential
l
CONVERTER CHARACTERISTICS FOR NO LATENCY OUTPUT (SDOB)
CONDITIONS
l
MIN
–2
TYP
±0.5
±0.1
0
±1
±7
MAX
2
UNITS
ppm
LSB
ppm
LSB
ppb/°C
7-Bit Output
l
ZSE
7-Bit Output
–13
13
7-Bit Output
–100
±10
±1
±0.05
100
ppm
LSB
ppm/°C
DYNAMIC ACCURACY FOR NO LATENCY OUTPUT (SDOB)
The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T
A
= 25°C and
A
IN
= –1dBFS. The specifications are for the differential output (Notes 4, 10)
SYMBOL
SINAD
SNR
THD
SFDR
PARAMETER
Signal-to-(Noise + Distortion) Ratio
Signal-to-Noise Ratio
Total Harmonic Distortion
Spurious Free Dynamic Range
–3dB Input Linear Bandwidth
Aperture Delay
Aperture Jitter
Transient Response
Full-Scale Step
CONDITIONS
f
IN
= 2kHz, V
REF
= 5V
f
IN
= 2kHz, V
REF
= 5V
f
IN
= 2kHz, V
REF
= 5V
f
IN
= 2kHz, V
REF
= 2.5V
f
IN
= 2kHz, V
REF
= 5V
l
l
l
l
MIN
100
100
TYP
104
104
–120
–120
MAX
UNITS
dB
dB
–114
–113
dB
dB
dB
MHz
ps
ps
RMS
ns
115
128
34
500
4
125
The
l
denotes the specifications which apply over the full operating temperature range,
Can't Initialize Target CPU:
**Error**: Serial Communication failed at port: COM65, baud rate:9600!
To use serial monitor, please ensure the following prerequisites are satisf ......
据国外媒体报道，英特尔将处理器价格最高下调31%，但降价整体来说是有限的。 根据英特尔7月20日的新定价单来看，Core 2 Duo E8500(3.16GHz)价格降幅最高，从266美元下调至183美元，降幅达31%；Core 2 Duo E7200 (2.53GHz)次之，从133美元下调至113美元，降幅15%。 其他降价处理器还有四核Q6600(2.4GHz)，从224美...[详细]
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