器件名称: U2752M-AFLG3
功能描述: Digital I/Q-Generator Chip for DAB
文件大小: 79.85KB 共6页
简 介:U2752M
Digital I/Q-Generator Chip for DAB
Description
Electrostatic sensitive device. Observe precautions for handling. The U2752M is an integrated circuit in CMOS technology for splitting a digital DAB signal into its quadrature components. The device is designed for DAB (ETS 300 401) applications.
Features
D U2752M splits a digital DAB input signal into its D D D
quadrature components Quadrature matching: 0 dB in magnitude, ≤ 1.6° in phase Clock frequency: 4.096 MHz Input signal – Center frequency: 3.072 MHz – Bandwidth: 1.536 MHz – Data format: 8 bit, 4.096 MHz in 2’s complement representation
D Output signal
Block Diagram
om po ne
2 AP–I MUX 2 AP–Q
96 12265
nt s
– Select pin for baseband or 1.024-MHz center frequency – I-, Q- components in time multiplex – Data format: 8 bit, 4.096 MHz in 2’s complement representation
8
DATA_IN
RESET CLOCK
Ad ro nic C
VDD VSS
Figure 1. Block diagram
Ordering Information
Extended Type Number U2752M-AFL U2752M-AFLG3
Package SO24 SO24
Taping according to IEC-286-3
Rev. A1, 29-Jun-98
Gm bH
IQDATA 7 DATA_RI MIX_OFF
Remarks
1 (6)
Preliminary Information
U2752M
MIX_OFF 1 RESET VSS DATA_IN0 2 3 4 5 6 7 8 9
24 23 22 21 20 19
DATA_IN1 DATA_IN2 DATA_IN3 DATA_IN4 DATA_IN5
Ad ro nic C
18
17
16
DATA_IN6 10
15 14 13
DATA_IN7 11 VSS 12
96 12266
Figure 2. Pinning
2 (6)
om po ne
VDD IQDATA0 IQDATA1 IQDATA2 IQDATA3 IQDATA4 IQDATA5 IQDATA6 IQDATA7 VDD DATA_RI CLOCK
……
