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參數(shù)資料
| 型號： | LTC1292BIN8 |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 19/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DATA ACQ SYSTEM 12BIT 8-DIP |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 類型： | 數(shù)據(jù)采集系統(tǒng)（DAS） |
| 分辨率（位）： | 12 b |
| 采樣率（每秒）： | 60k |
| 數(shù)據(jù)接口： | 串行，并聯(lián) |
| 電壓電源： | 單電源 |
| 電源電壓： | 5V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 8-DIP（0.300"，7.62mm） |
| 供應(yīng)商設(shè)備封裝： | 8-PDIP |
| 包裝： | 管件 |
4
LTC1292/LTC1297
12927fb
LTC1292B/LTC1297B
LTC1292C/LTC1297C
LTC1292D/LTC1297D
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ICC
Positive Supply Current
CS High
LTC1292
q
612
mA
CS Low
LTC1297
q
612
mA
CS High Power Shutdown CLK Off
LTC1297
q
510
A
IREF
Reference Current
CS High
q
10
50
A
DIGITAL A D DC ELECTRICAL CHARACTERISTICS
U
CC
HARA TERISTICS
UW
A
TYPICALPERFOR
CE
AMBIENT TEMPERATURE (
°C)
–50
SUPPLY
CURRENT
(mA)
7
8
9
30
70
LTC1292/7 G02
6
5
–30 –10
50
90 110
4
3
10
130
CLK = 1MHz
VCC = 5V
SUPPLY VOLTAGE (V)
4
SUPPLY
CURRENT
(mA)
4
6
LTC1292/7 G01
2
0
5
10
8
CLK = 1MHz
TA = 25°C
LTC1297 Supply Current (Power
Shutdown) vs Temperature
AMBIENT TEMPERATURE (
°C)
–50
0
SUPPLY
CURRENT
(
A)
1
3
4
5
10
7
0
50
75
LTC1292/7 G03
2
8
9
6
–25
25
100
125
VCC = 5V
VREF = 5V
CS HIGH
CLK OFF
Supply Current vs Temperature
Supply Current vs Supply Voltage
below GND or one diode drop above VCC. Be careful during testing at low
VCC levels (4.5V), as high level reference or analog inputs (5V) can cause
this input diode to conduct, especially at elevated temperatures, and cause
errors for inputs near full scale. This spec allows 50mV forward bias of
either diode. This means that as long as the reference or analog input does
not exceed the supply voltage by more than 50mV, the output code will be
correct. To achieve an absolute 0V to 5V input voltage range will therefore
require a minimum supply voltage of 4.950V over initial tolerance,
temperature variations and loading.
Note 8: Channel leakage current is measured after the channel selection.
Note 9: Increased leakage currents at elevated temperatures cause the
S/H to droop, therefore it is recommended that fCLK ≥125kHz at 125°C,
fCLK ≥ 31kHz at 85°C, and fCLK ≥ 3kHz at 25°C.
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: All voltage values are with respect to ground (unless otherwise
noted).
Note 3: VCC = 5V, VREF = 5V, CLK = 1.0MHz unless otherwise specified.
Note 4: One LSB is equal to VREF divided by 4096. For example, when
VREF = 5V, 1LSB = 5V/4096 = 1.22mV.
Note 5: Linearity error is specified between the actual end points of the
A/D transfer curve. The deviation is measured from the center of the
quantization band.
Note 6: Recommended operating conditions.
Note 7: Two on-chip diodes are tied to each reference and analog input
which will conduct for reference or analog input voltages one diode drop
The q denotes the specifications which
apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 3)
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