AVDD = DV
參數(shù)資料
型號: ADF4156BRUZ-RL
廠商: Analog Devices Inc
文件頁數(shù): 18/24頁
文件大?。?/td> 0K
描述: IC PLL FRAC-N FREQ SYNTH 16TSSOP
產(chǎn)品變化通告: Improve Phase Noise Performance
設計資源: Low-Noise Microwave fractional-N PLL using active loop filter and RF prescaler (CN0174)
標準包裝: 2,500
類型: 分數(shù) N 合成器(RF)
PLL:
輸入: CMOS,TTL
輸出: 時鐘
電路數(shù): 1
比率 - 輸入:輸出: 2:1
差分 - 輸入:輸出: 是/無
頻率 - 最大: 6.2GHz
除法器/乘法器: 是/是
電源電壓: 2.7 V ~ 3.3 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-TSSOP(0.173",4.40mm 寬)
供應商設備封裝: 16-TSSOP
包裝: 帶卷 (TR)
Data Sheet
ADF4156
Rev. E | Page 3 of 24
SPECIFICATIONS
AVDD = DVDD = 2.7 V to 3.3 V, VP = AVDD to 5.5 V, AGND = DGND = 0 V, TA = TMIN to TMAX, dBm referred to 50 , unless otherwise noted.
Table 1.
Parameter
B Version
Unit
Test Conditions/Comments1
RF CHARACTERISTICS
RF Input Frequency (RFIN)
0.5/6.2
GHz min/max
10 dBm min to 0 dBm max. For lower frequencies,
ensure slew rate (SR) > 400 V/s.
REFERENCE CHARACTERISTICS
REFIN Input Frequency
10/250
MHz min/max
For f < 10 MHz, use a dc-coupled CMOS-compatible
square wave, slew rate > 25 V/s.
REFIN Input Sensitivity
0.4/AVDD
V p-p min/max
Biased at AVDD/2.2
REFIN Input Capacitance
10
pF max
REFIN Input Current
±100
A max
PHASE DETECTOR
Phase Detector Frequency3
32
MHz max
CHARGE PUMP
ICP Sink/Source
Programmable.
High Value
5
mA typ
With RSET = 5.1 kΩ.
Low Value
312.5
A typ
Absolute Accuracy
2.5
% typ
With RSET = 5.1 kΩ.
RSET Range
2.7/10
kΩ min/max
ICP Three-State Leakage Current
1
nA typ
Sink and source current.
Matching
2
% typ
0.5 V < VCP < VP 0.5.
ICP vs. VCP
2
% typ
0.5 V < VCP < VP 0.5.
ICP vs. Temperature
2
% typ
VCP = VP/2.
LOGIC INPUTS
VINH, Input High Voltage
1.4
V min
VINL, Input Low Voltage
0.6
V max
IINH/IINL, Input Current
±1
A max
CIN, Input Capacitance
10
pF max
LOGIC OUTPUTS
VOH, Output High Voltage
1.4
V min
Open-drain output chosen; 1 kΩ pull-up to 1.8 V.
VOH, Output High Voltage
VDD 0.4
V min
CMOS output chosen.
IOH, Output High Current
100
A max
VOL, Output Low Voltage
0.4
V max
IOL = 500 A.
POWER SUPPLIES
AVDD
2.7/3.3
V min/max
DVDD
AVDD
VP
AVDD/5.5
V min/max
IDD
32
mA max
26 mA typical.
Low Power Sleep Mode
1
A typ
NOISE CHARACTERISTICS
Normalized Phase Noise Floor (PNSYNTH)4
220
dBc/Hz typ
PLL loop BW = 500 kHz. Measured at 100 kHz offset.
Normalized 1/f Noise (PN1_f)5
110
dBc/Hz typ
10 kHz offset; normalized to 1 GHz.
Phase Noise Performance6
At VCO output.
5800 MHz Output7
89
dBc/Hz typ
At 5 kHz offset, 25 MHz PFD frequency.
1
Operating temperature for B version: 40°C to +85°C.
2
AC coupling ensures AVDD/2 bias.
3
Guaranteed by design. Sample tested to ensure compliance.
4
The synthesizer phase noise floor is estimated by measuring the in-band phase noise at the output of the VCO and subtracting 20 log(N) (where N is the N divider
value) and 10 log(FPFD). PNSYNTH = PNTOT 10 log(FPFD) 20 log(N).
5
The PLL phase noise is composed of 1/f (flicker) noise plus the normalized PLL noise floor. The formula for calculating the 1/f noise contribution at an RF frequency, FRF,
and at a frequency offset f is given by PN = PN1_f + 10 log(10 kHz/f) + 20 log(FRF/1 GHz). Both the normalized phase noise floor and flicker noise are modeled in ADIsimPLL.
6
The phase noise is measured with the EV-ADF4156SD1Z evaluation board and the Agilent E5500 phase noise system.
7
fREFIN = 100 MHz, fPFD = 25 MHz, offset frequency = 5 kHz, RFOUT = 5800 MHz, N = 232, loop bandwidth = 20 kHz, ICP = 313 A, and lowest noise mode.
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