Leo LSI Co., Ltd.

CUSTOM ANALOG IP

All Products

LeoLSI has been accumulating plentiful knowhow for Analog IP design including Converters, High Speed Interface, PLL, OSC and PMICs, through over 10 years IP design experience on various foundry sites. LeoLSI has the ability to accelerate the IP development ,integration for smaller size and lower power, which can specialize, optimize customers applications and requirements accordingly.

Data Converter(ADC / DAC) IPs

Our data converter includes general purpose ADCs, DACs and special function data converters designed for wide range of application.

High Speed Interface(HSI) IPs

LeoLSI has experienced HSI PHY design of MiPi, eDP, HDMI, etc. with specialized engineers who can collaborate from spec. targetting to mass production supports.

Clock Generator(PLL / OSC) IPs

Various PLL design experience not only general purpose but also high speed for specific applications and OSCs for use as watch-god timers and system clock generator for MCUs.

Other IPs

Power management IPs are developed including Power-On Reset generator (POR), Low Drop Out Voltage Regulator(LDO), and Programmable gain amplifiers. Also we have experienced special IP design based on customer requirement.

Various foundry vendor experience

LeoLSI has experienced various foundry sites by porting standard and customized Analog IPs to many customer products.

Converter IPs

High Speed Interface IPs

PLL & OSC IPs

Other IPs

5V 16-ch 12-Bit IMSPS ADC

제품상세정보테이블

Key Features

Magnachip 0.18um 1P4M CMOS technology
12-bit resolution
1MHz conversion rate
4.5V to 5.5V analog voltage
1.62V to 1.98V digital voltage
Temperature range is -40℃ to 85℃
Current consumption : 2mA
DNL : ±1LSB, INL : ±2LSB

12bit 1MSPS ADC

Key Features

Samsung 100nm(LF6) CMOS technology
Wide operating range

AVDD : 2.7V to 5.5V(Typical : 5.0V)

Input range : Analog Ground to AVDD
Max conversion rate

1MHz @ 3.6V ≤ AVDD ≤ 5.5V
400kHz @ 2.7V ≤ AVDD ≤ 3.6V

16 Channel single-ended inputs
DNL : ±1.0LSB(typ)
INL : ±1.5LSB(typ)
SNT : 70.7dB(typ)
SFDR : 83.6dB(typ)
ENOB

11.3bit @ 4.5V ≤ AVDD ≤ 5.5V
11.1bit @ 3.6V ≤ AVDD ≤ 4.5V
11.0bit @ 2.7V ≤ AVDD ≤ 3.6V

Power consumption

5.0V supply : 8.0mW(typ)

Power down current : <0.1uA(typ)

16bit 16KSPS Sigma-Delta ADC

Key Features

55nm 2P7M SMIC CMOS technology
Programmable Gain : 0 to 50dB
Selectable Microphone bias : -1.3V / 2.5V ~ 2.9V
Mono audio input
4 channel GP fully differential inputs
16 bit resolution
16KSPS conversion rate
Digital serial interface : PDM / I2S / TDM
Analog input range : AVSS to AVDD @GP
Current consumption : 2.0mA @typ, analog
Current consumption : 0.2mA @typ, digital
SNR : 90dB @SMIC
Power down current : <1uA
Analog supply : 1.8V to 3.6V
Digital supply : 1.2V
Core size : 0.43mm2 @analog, 0.06mm2 @digital

Applications

Audio

55nm 8ch 12bit 1MSPS Low power ADC

Key Features

12bit resolution
0.1MSPS to 1MSPS conversion rate
2.4V to 3.6V analog power supply
1.08V to 1.32V digital power supply
8 channel single-ended inputs
Analog input range : REFB to REFT
Current consumption : 1.1mA(typ)
DNL / INL : ±1.0 / ±2.0 LSB
SFDR : 89dB(typ)
SNR : 72dB(typ)
ENOB : 11.7bit(typ)
Power down current : <0.1uA(typ)
Operating Temperature : -40°C to 125℃
Core size : 0.1mm2

Benefits

Low power, Small size

Applications

Data Acquisition Systems
Battery powered Systems
Wireless Sensor Networks
Pressure Sensors

65nm 8ch 12bit 1MSPS Low power ADC

Key Features

12bit resolution
0.1MSPS to 1MSPS conversion rate
2.4V to 3.6V analog power supply
1.08V to 1.32V digital power supply
8 channel single-ended inputs
Analog input range : REFB to REFT
Current consumption : 1.1mA(typ)
DNL / INL : ±1.0 / ±2.0 LSB
SFDR : 88dB(typ)
SNR : 72dB(typ)
ENOB : 11.6bit(typ)
Power down current : <0.1uA(typ)
Operating Temperature : -40°C to 125℃
Core size : 0.1mm2

Benefits

Low power, Small size

Applications

Data Acquisition Systems
Battery powered Systems
Wireless Sensor Networks
Pressure Sensors

55nm 8-ch 10bit 1MSPS Low-power ADC

Key Features

10bit resolution
0.1MSPS to 1MSPS conversion rate
3.0V to 3.6V analog power supply
1.08V to 1.32V digital power supply or 0.95V to 1.05V digital power supply
8 channel single-ended inputs
Analog input range : REFB to REFT
Current consumption : 1.0mA(typ)
DNL / INL : ±1.0 / ±2.0 LSB
SFDR : 76dB(typ)
SNR : 62dB(typ)
ENOB : 9.9bit(typ)
Power down current : <1uA(typ)
Core size : 0.9mm2

Benefits

Low power, Small size

Applications

Data Acquisition Systems
Battery powered Systems
Wireless Sensor Networks
Pressure Sensors

180nm 8ch 12bit 1MSPS ADC

Key Features

0.18um 2P5M CMOS technology
10bit resolution
0.1MSPS to 1MSPS conversion rate
1.8V analog and digital power supply
8 channel single-ended inputs
Analog input range : REFB to REFT
Current consumption : 1.2mA(typ)
DNL / INL : ±0.8 / ±1.1 LSB(typ)
SFDR : 73dB(typ)
SNR : 68.5dB(typ)
ENOB : 10.8bit(typ)
Power down current : <1uA

Benefits

Low power consumption : 1.2mA @ 1.8V
small size

Applications

Data Acquisition Systems
Battery powered Systems
Wireless Sensor Networks
Pressure Sensors

65nm 10bit 1MSPS SAR ADC

Key Features

10bit resolution
Maximum 1MHz conversion rate
2.2V to 3.6V analog power supply
1.08V to 1.32V digital power supply
8 channel single-ended inputs
Analog input range : 0V to AVDD
Current consumption : 700uA(typ)
DNL / INL : ±0.5 / ±1.0 LSB
Power down current : <1uA

Benefits

Low power, Small size
Wide output range
High performance

Applications

Data acquisition systems
Battery-powered systems
Wireless sensor networks
Pressure sensors

55nm 10bit 250MHz Video DAC

Key Features

10bit resolution
250MHz conversion rate
3.3V analog power supply
1.2V digital power supply
1 channel differential output
Output load : 75ohm(typ)
DNL / INL : ±0.5 / ±1.0 LSB
SFDR : -65.7dB(typ)
SNR : 62.1dB(typ)
ENOB : 9.5bit(typ)
Power dissipation : 62mW(typ)
Power dissipation(power down mode) : 1uW(typ)
Core area : 0.9mm2

Benefits

Low power, Small size
Wide output range
High performance

Applications

Digital Video Systems
High Speed Instrumentation and Control
Image Processing
Waveform Generation

MiPi D-PHY V1.2

Key Features

Support MiPi D-PHY v1.2
Support Max. 4-lane MiPi D-PHY mode
Support both high speed mode and low power modes
80Mbps to 1.5Gbps data rate per lane without skew calibration
Up to 2.5Gbps data rate per lane with skew calibration
10Mbps per data lane in low power mode
Support internal loopback mode for testability

HF-mini LVDS Tx

Key Features

Analog 2.5V / 3.3V, 1.1V power supply
Digital 1.1V single power supply
Output frequency range : 90MHz ~ 300MHz
Individual power down mode : Channel power down & Data driver power down
4 to 1 Serialize
Including PLL
4-Channel output(1Channel : 5 Data driver, 1 Clock driver)

700Mbps Sub-LVDS Rx PHY

Key Features

1.2V and 1.8V dual power supply
2clock / 8data lane Rx(lane selectable by 4bit mode controls)
700Mbps(350MHz DDR) for each lane / totally 5.6Gbps
8/10/12/14/16 bit selectable parallel data output
Rail to rail receiver for multi level common mode application(0.9V and 0.2V)
100ohm input termination resistors(internal poly resistor 80 ~ 125ohm)
Lane data and clock delay control(skew adjustment, manual setting)
Byte clock(parallel clock) interting function(1bit control per clock lane)

700Mbps Sub-LVDS Tx PHY

Key Features

1.2V and 1.8V dual power supply
700Mbps(350MHz DDR) data rate
Power down mode
Delay control for clock-data skew adjustment
3 bit based mode selection(# of data channels)
2 channel output(1 channel : 4data driver, 1 clock driver)

Sub-LVDS Tx PHY

Key Features

1.2V and 1.8V Dual Power Supply
700Mbps(350MHz DDR) data rate
Power down mode - Delay control for clock-data skew adjustment
3-bit based mode selection(#of data channels)
2 Channel output(1 Channel : 4 data driver, 1 Clock drier)

12~85Mhz LVDS Rx

Key Features

12 to 85MHz Shift clock support
Low Power consumption
±1V Common-mode range(around +1.2V)
Up to 2.38Gbps throughput
Up to 297.53Mbytes/sec bandwidth
345mV(typ) swing LVDS devices for low EMI
PLL requires no external components
Rising / Falling edge data strobe

100~600MHz De-skew PLL

Key Features

Hynix 90nm low power CMOS technology
Wide input range De-Skew PLL
1.1V Single power supply
Power down mode
Input frequency range : 100 ~ 600MHz
Output frequency range : 100 ~ 600MHz
Duty ratio : 40% to 60%

20~500MHz Synthesizer PLL

Key Features

0.18um 1P4M Magnachip CMOS technology
Single power supply : 1.8V
VCO operating frequency range : 150 ~ 500MHz
Built-in lock detection circuit and free running
Internal loop filter
Core size : 0.58mm2

OSC (0.5~3MHz, 10~80MHz)

Key Features

TSMC 0.18um CMOS technology
Frequency controllable clock oscillator
Low power consumption : <100uA
Dual channel band
wide band frequency controllable oscillator : 10MHz ~ 80MHz, 0.5MHz ~ 3MHz
Support power down mode
Support frequency fine trimming
Operating voltage : 1.62V ~ 1.98V
Operating temperature : -40°C ~ 125°C
Duty cycle : 50%(±5%)
Frequency accuracy : ±5% over entire voltage & process variation

100V Boost Converter

Key Features

Max. 100V, High voltage boost converter
Programmable boost voltage : 40V ~ 100V
Programmable switching frequency : 80KHz ~ 160KHz
Boost supply voltage(VBAT) : 3.5V ~ 5.5V
Internal supply voltage(VDD) : 3V
Internal reference voltage
External FET switch and power diode

150V Differential High Voltage Driver

Key Features

High Voltage class-AB amplifier
3V, 100V dual supply voltage
3V input, Differential 150V output
Single-ended input and Differential output mode
Differential input and differential output mode
20 ~ 50x programmable gain control
Max. 10mA load current
250Hz sing-wave drive at 15nF load