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TDA8790 数据表(PDF) 2 Page - NXP Semiconductors

部件名 TDA8790
功能描述  8-bit, 40 Msps 2.7 to 5.5 V universal analog-to-digital converter
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 PHILIPS - NXP Semiconductors

TDA8790 数据表(HTML) 2 Page - NXP Semiconductors

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1996 Feb 21
2
Philips Semiconductors
Product specification
8-bit, 40 Msps 2.7 to 5.5 V universal
analog-to-digital converter
TDA8790
FEATURES
• 8-bit resolution
• Operation between 2.7 and 5.5 V
• Sampling rate up to 40 MHz
• DC sampling allowed
• High signal-to-noise ratio over a large analog input
frequency range (7.3 effective bits at 4.43 MHz
full-scale input at fclk = 40 MHz)
• CMOS/TTL compatible digital inputs and outputs
• External reference voltage regulator
• Power dissipation only 30 mW (typical)
• Low analog input capacitance, no buffer amplifier
required
• Sleep mode (4 mW)
• No sample-and-hold circuit required.
APPLICATIONS
High-speed analog-to-digital conversion for:
• Video data digitizing
• Camera
• Camcorder
• Radio communication.
GENERAL DESCRIPTION
The TDA8790 is an 8-bit universal analog-to-digital
converter (ADC) for video and general purpose
applications. It converts the analog input signal from
2.7 to 5.5 V into 8-bit binary-coded digital words at a
maximum sampling rate of 40 MHz. All digital inputs and
outputs are CMOS/TTL compatible. A sleep mode allows
reduction of the device power consumption down to 4 mW.
QUICK REFERENCE DATA
ORDERING INFORMATION
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
VDDA
analog supply voltage
2.7
3.3
5.5
V
VDDD
digital supply voltage
2.7
3.3
5.5
V
VDDO
output stages supply voltage
2.5
3.3
5.5
V
∆V
DD
supply voltage difference
VDDA − VDDD
−0.2
+0.2
V
VDDD − VDDO
−0.2
+2.25
V
IDDA
analog supply current
46mA
IDDD
digital supply current
58mA
IDDO
output stages supply current
fclk = 40 MHz; CL = 20 pF;
ramp input
12mA
INL
integral non-linearity
fclk = 40 MHz; ramp input
−±0.5
±0.75
LSB
DNL
differential non-linearity
fclk = 40 MHz; ramp input
−±0.25
±0.5
LSB
fclk(max)
maximum clock frequency
40
−−
MHz
Ptot
total power dissipation
VDDA =VDDD =VDDO = 3.3 V
30
53
mW
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA8790M
SSOP20
plastic shrink small outline package; 20 leads; body width 4.4 mm
SOT266-1


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