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TDA9952

Features: · Sample rate = 25 Msps;10-bit resolution· Single 3.0 V supply operation (2.2 to 3.6 V operation for the digital outputs)· Low power consumption: only 115 mW at 2.7 V· Power consumption in standby mode: 4.5 mW (typical value)· Programmable gain amplifier: gain range = 36 dB in 0.1 dB ste...

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SeekIC No. : 004517004 Detail

TDA9952: Features: · Sample rate = 25 Msps;10-bit resolution· Single 3.0 V supply operation (2.2 to 3.6 V operation for the digital outputs)· Low power consumption: only 115 mW at 2.7 V· Power consumption in...

TDA9952 Data Sheet

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Part Number:
TDA9952
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

· Sample rate = 25 Msps;10-bit resolution
· Single 3.0 V supply operation (2.2 to 3.6 V operation for the digital outputs)
· Low power consumption: only 115 mW at 2.7 V
· Power consumption in standby mode: 4.5 mW (typical value)
· Programmable gain amplifier: gain range = 36 dB in 0.1 dB steps
· Correlated double sampling
· Internal input buffer for the correlated double sampling
· Fully programmable via a 3-wire serial interface
· 8-bit DAC included for external analog settings
· TTL-compatible inputs and CMOS-compatible outputs.


Application

· Video camcorders
· Digital still cameras
· PC-cameras.


Pinout

Connection Diagram


Specifications

SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
VCCA
 analog supply voltage
note 1
-0.3
+4.5
V
VCCD
 digital supply voltage
note 1
-0.3
+4.5
V
VCCO
 digital outputs supply voltage
note 1
-0.3
+4.5
V
VCC
 supply voltage difference
between VCCA and VCCD
between VCCA and VCCO
between VCCD and VCCO
-0.5
-0.5
-0.5
+0.5
+1.2
+1.2
V
V
V
Vi
 input voltage
referenced to AGND
-0.3
+6.5
V
Io
 data output current
-
±10
mA
Tstg
 storage temperature
-55
+150
Tamb
 ambient temperature
-20
+75
Tj
 junction temperature
-
150
Note
1. All supplies are connected together.


Description

The TDA9952 is a 10-bit analog-to-digital interface for CCD cameras. The device consists of a Correlated Double  Sampling (CDS) circuit, a digitally Programmable Gain Amplifier (PGA), a black level clamp and a 10-bit Analog-to-Digital Converter (ADC).

An internal CDS input buffer is incorporated in order to avoid using an external buffer that would consume more power and therefore optimizing the application for low noise, low power working.

The PGA gain, the ADC clamp level and other settings are controlled via a 3-wire serial digital interface. An additional DAC is provided for system controls. The TDA9952 operates from a single 3 V power supply (2.7 V minimum) and dissipates 135 mW (typical value).




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