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| 型号： | TS(X)8387MF_ |
| 厂商： | ATMEL CORP |
| 元件分类： | ADC |
| 英文描述： | 1-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, CQFP68 |
| 封装： | 24 X 24 MM, CERAMIC, QFP-68 |
| 文件页数： | 4/38页 |
| 文件大小： | 617K |
| 代理商： | TS(X)8387MF_ |
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TS8387
12/38
4. PACKAGE DESCRIPTION.
4.1.
TS8387 PIN DESCRIPTION
Symbol
Pin number
Function
GND
1, 2, 5, 13, 16, 17, 18, 27,
28, 34, 35, 36, 41, 42, 43,
50, 51, 52, 53, 58, 59, 60*,
68
Ground pins.
To be connected to external ground plane.
VCC
26, 29, 32, 33, 46, 47, 61
+5 V positive supply.
VEE
30, 31, 44, 45, 48
–5 V analog negative supply.
DVEE
8, 9, 10
–5 V digital negative supply.
VIN
54(1), 55
In phase (+) analog input signal of the Sample and Hold
differential preamplifier.
VINB
56, 57(1)
Inverted phase (–) of analog input signal (VIN).
CLK
37(1), 38
In phase (+) ECL clock input signal. The analog input is
sampled and held on the rising edge of the CLK signal.
CLKB
39, 40(1)
Inverted phase (–) of ECL clock input signal (CLK).
B0, B1, B2, B3, B4, B5,
B6, B7
23, 21, 19, 14, 6, 3, 66, 64
In phase (+) digital outputs.
B0 is the LSB. B7 is the MSB.
B0B, B1B, B2B, B3B,
B4B, B5B, B6B, B7B
24, 22, 20, 15, 7, 4, 67, 65
Inverted phase (–) Digital outputs.
B0B is the inverted LSB. B7B is the inverted MSB.
OR
62
In phase (+) Out of Range Bit.
Out of Range is high on the leading edge of code 0 and
code 256.
ORB
63
Inverted phase (+) of Out of Range Bit (OR).
DR
11
In phase (+) output of Data Ready Signal.
DRB
12
Inverted phase (–) output of Data Ready Signal (DR).
GORB
25
Gray or Binary select output format control pin.
- Binary output format if GORB is floating or VCC.
- Gray output format if GORB is connected at ground (0 V).
GAIN
60(2)
ADC gain adjust pin (optional).
The gain pin is by default grounded, the ADC gain transfer
function is nominaly close to one.
DIODE
49
Die junction temperature measurement pin. Do not use.
Can be left floating or to be grounded.
Note 1 :Following pin numbers 37 (CLK), 40 (CLKB), 54 (VIN) and 57 (VINB) have to be connected to GND through a 50 W resistor
as close as possible to the package.(50 ohms termination preferred option).
Note 2 : Gain pin 60 is internally shorted to ground
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