Datasheet > UAA1570HL

UAA1570HL

更新时间： 2024-01-14 03:12:28

品牌	Logo	应用领域
恩智浦 - NXP		全球定位系统
页数	文件大小	规格书
76页	893K
描述
Global Positioning System GPS front-end receiver circuit

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UAA1570HL 技术参数

生命周期：	Obsolete	零件包装代码：	QFP
包装说明：	LFQFP,	针数：	48
Reach Compliance Code：	unknown	HTS代码：	8542.39.00.01
风险等级：	5.84	JESD-30 代码：	S-PQFP-G48
长度：	7 mm	功能数量：	1
端子数量：	48	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	LFQFP	封装形状：	SQUARE
封装形式：	FLATPACK, LOW PROFILE, FINE PITCH	认证状态：	Not Qualified
座面最大高度：	1.6 mm	标称供电电压：	3 V
表面贴装：	YES	电信集成电路类型：	TELECOM CIRCUIT
温度等级：	INDUSTRIAL	端子形式：	GULL WING
端子节距：	0.5 mm	端子位置：	QUAD
宽度：	7 mm	Base Number Matches：	1

UAA1570HL 数据手册

Philips Semiconductors

Product speciﬁcation

Global Positioning System (GPS) front-end

receiver circuit

UAA1570HL

PINNING INFORMATION

PIN VOLTAGE

TYPICAL VALUES (V)

SYMBOL

DESCRIPTION

V_CC= 2.7 V V_CC= 5 V

V_CCA(LNA2)

2.7

LNA2 power supply: DC operation range 2.7 to 5 V; use close

proximity RF decoupling to pins 2, 4 and 5

LNA2GND1

LNA2IN

LNA2 ground 1: minimize RF ground inductance

LNA2 input: use external RF AC coupling

0.815

0.807

BIASGND2

LNA2GND2

LNA2OUT

LNA2 bias circuit ground: minimize RF ground inductance

LNA2 ground 2: minimize RF ground inductance

1.48

3.629

LNA2 output: use external RF AC coupling. The DC voltage is

approximately 1.3 V below the V_CCA(LNA2)supply on pin 1.

CLOCK

CMOS level CMOS level Serial interface clock input: this DC coupled CMOS CLOCK

input moves 20-bit programming words into the synthesizer

DATA input register while the STROBE is LOW. A DC

short-circuit to ground is recommended with the default

frequency plan.

REFIN

1.69

3.99

Reference input: use external AC coupling. The DC voltage is

approximately 1 V below the V_CCA(PLL)supply on pin 36.

V_CCA(VCO)

TANK

2.7

VCO power supply: DC operation range 2.7 to 5 V; use critical

close proximity RF decoupling to pin 11

10 1.92

1.92

VCO negative impedance resonator port: use the absolute

minimum trace lengths and widths and keep the loop to the VCO

ground pin 11 as short as possible, while centring the COMP

output voltage at pin 40 within the charge pump output voltage

range given in Chapter 11 by adjusting the resonator inductance

and/or required AC coupling component.

VCOGND

P12GND

VCO ground: minimize RF ground inductance; use critical

close proximity RF decoupling to VCO supply pin 9

this pin provides additional RF shielding and has to be

connected to ground

MXPGND

MX1IN

RF mixer preampliﬁer ground: minimize RF ground inductance

14 0.82

0.81

RF mixer preampliﬁer input: use external AC coupling and RF

matching

MX1GND

V_CCA(MX1P)

IF1P

RF mixer ground: minimize RF ground inductance; use critical

close proximity RF decoupling to V_CCA(MX1P)supply pin 16

16 2.7

17 2.7

RF preampliﬁer/mixer power supply: DC operation range

2.7 to 5 V; use critical close proximity RF decoupling to pin 15

RF mixer IF positive output: DC couple this output pin to the

V_CCA(MX1P)supply through ﬁrst IF ﬁlter inductors or RF chokes.

Capacitively decouple the supply near the output inductors.

Balanced ﬁrst mixer IF1 outputs are recommended. Prevent

externally squared reference harmonics from entering the ﬁrst IF

signal path or components.

1999 May 10

1...3 4 567 8 9...76

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