参数资料
型号: TC6400IUD-20#TRPBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: ADC
英文描述: 1-CH 16-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC16
封装: 3 X 3 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, MO-220WEED-2, QFN-16
文件页数: 2/16页
文件大小: 234K
代理商: TC6400IUD-20#TRPBF
LTC6400-20
10
640020p
BLOCK DIAGRAM
PIN FUNCTIONS
V+ (Pins 1, 3, 10): Positive Power Supply (Normally tied
to 3V or 3.3V). All three pins must be tied to the same
voltage. Bypass each pin with 1000pF and 0.1μF capaci-
tors as close to the pins as possible.
VOCM (Pin 2): This pin sets the output common mode
voltage. A 0.1μF external bypass capacitor is recom-
mended.
V(Pins 4, 9, 12, 17):
Negative Power Supply (GND). All
four pins must be connected to same voltage/ground.
–OUT, +OUT (Pins 5, 8): Unltered Outputs. These pins
have series resistors, ROUT 12.5Ω.
–OUTF, +OUTF (Pins 6, 7): Filtered Outputs. These pins
have 50Ω series resistors and a 2.7pF shunt capacitor.
ENABLE (Pin 11): This pin is a logic input referenced to
VEE. If low, the part is enabled. If high, the part is disabled
and draws approximately 1mA supply current.
+IN (Pins 13, 14): Positive Input. Pins 13 and 14 are
internally shorted together.
–IN (Pins 15, 16): Negative Input. Pins 15 and 16 are
internally shorted together.
Exposed Pad (Pin 17): V. The Exposed Pad must be
connected to same voltage/ground as pins 4, 9, 12.
13
640020 BD
1
V+
2
VOCM
14
7
15
+OUT
+OUTF
–OUTF
–OUT
+IN
IN+
OUT–
IN–
OUT+
+IN
–IN
5
16
RG
100
Ω
ROUT
12.5
Ω
RF
1000
Ω
RG
100
Ω
2k
RF
1000
Ω
6
4
V–
3
V+
12
V–
11
ENABLE
9
V–
10
V+
COMMON
MODE CONTROL
BIAS CONTROL
8
ROUT
12.5
Ω
RFILT
50
Ω
RFILT
50
Ω
CFILT
2.7pF
5.3pF
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