tda8768b NXP Semiconductors, tda8768b Datasheet

tda8768b

Manufacturer Part Number

tda8768b

Description

Tda8768b 12-bit, 80 Msps Analog-to-digital Converter Adc

Manufacturer

NXP Semiconductors

Datasheet

1.TDA8768B.pdf (30 pages)

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1. Description

2. Features

The TDA8768B is a biCMOS 12-bit Analog-to-Digital Converter (ADC) optimized for

EDGE and W-CDMA cellular infrastructures, professional telecommunications and

other applications such as advanced FM radio and professional imaging. Its main

innovation is the RF sampling, based on high-speed clock (up to 80 Msps) combined

with a high input frequency (up to 176 MHz). It converts the analog input signal into

12-bit binary coded digital words at a maximum sampling rate of 80 MHz. All static

digital inputs (SH, CE and OTC) are TTL and CMOS compatible and all outputs are

CMOS compatible. A sine wave clock input signal can also be used.

TDA8768B

12-bit, 80 Msps Analog-to-Digital Converter (ADC)

Rev. 02 — 20 January 2004

12-bit resolution

Sampling rate up to 80 MHz:

5 V power supplies and 3.3 V output power supply

Binary or twos complement CMOS outputs

In-range CMOS compatible output

TTL and CMOS compatible static digital inputs

TTL and CMOS compatible digital outputs

Single or differential clock input; TTL and CMOS compatible

Power dissipation 570 mW (typical)

Low analog input capacitance (typical 2 pF), no buffer ampliﬁer required

Integrated sample-and-hold ampliﬁer

Differential analog input

External amplitude range control

Voltage controlled regulator included

Ambient temperature from 40 C to +85 C.

3 dB bandwidth of 250 MHz

52 Msps at f

SFDR = 83 dB, S/N = 71 dB

80 Msps at f

SFDR = 65 dB, S/N = 62 dB

80 Msps at f

SFDR = 72 dB, S/N = 64 dB

= 175 MHz; B = 200 kHz (TDA8768BH/5):

= 20 MHz; Nyquist bandwidth (TDA8768BH/8):

= 50 MHz; B = 5 MHz (TDA8768BH/8/S1):

Product data

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