參數(shù)資料
型號: TDF8704
廠商: NXP Semiconductors N.V.
英文描述: 8-bit high-speed analog-to-digital converter
中文描述: 8位高速模擬數(shù)字轉(zhuǎn)換器
文件頁數(shù): 2/20頁
文件大?。?/td> 137K
代理商: TDF8704
June 1994
2
Philips Semiconductors
Product specification
8-bit high-speed analog-to-digital converter
TDF8704
FEATURES
8-bit resolution
Sampling rate up to 50 MHz
Extended temperature range (
40 to +85
°
C)
High signal-to-noise ratio over a large analog input
frequency range (7.4 effective bits at 4.43 MHz full-scale
input and at f
clk
= 50 MHz)
Binary 3-state TTL outputs
Overflow/underflow 3-state TTL output
TTL compatible digital inputs
Low-level AC clock input signal allowed
Stable internal reference voltage regulator included
Power dissipation only 380 mW (typical)
Low analog input capacitance, no buffer amplifier
required
No sample-and-hold circuit required.
APPLICATIONS
General purpose high-speed analog-to-digital
conversion for extended temperature applications
Automotive
RF, satellite and GPS (Global Positioning System)
Medical
General industrial
Digital video (VCR, TV and satellite).
GENERAL DESCRIPTION
The TDF8704T is an 8-bit high-speed analog-to-digital
converter (ADC) for general industrial applications. It
converts the analog input signal into 8-bit binary-coded
digital words at a maximum sampling rate of 50 MHz. All
digital inputs and outputs are TTL compatible, although a
low-level AC clock input signal is allowed.
QUICK REFERENCE DATA
Note
1.
Full-scale sine wave (f
i
= 4.43 MHz; f
clk
= 50 MHz).
ORDERING INFORMATION
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
V
CCA
V
CCD
V
CCO
I
CCA
I
CCD
I
CCO
ILE
DLE
AILE
f
clk(max)
P
tot
analog supply voltage
digital supply voltage
output stages supply voltage
analog supply current
digital supply current
output stages supply current
DC integral linear error
DC differential linearity error
AC integral linearity error
maximum clock frequency
total power dissipation
4.75
4.75
4.75
50
5.0
5.0
5.0
37
23
16
±
0.4
±
0.2
380
5.25
5.25
5.25
46
35
21
±
1
±
0.5
±
2
535
V
V
V
mA
mA
mA
LSB
LSB
LSB
MHz
mW
note 1
TYPE NUMBER
PACKAGE
SAMPLING
FREQUENCY
PINS
PIN POSITION
MATERIAL
CODE
TDF8704T/2
TDF8704T/4
TDF8704T/5
24
24
24
SO24L
SO24L
SO24L
plastic
plastic
plastic
SOT137-1
SOT137-1
SOT137-1
20 MHz
40 MHz
50 MHz
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