Datasheet LTC2290 (Analog Devices)
| 制造商 | Analog Devices |
| 描述 | Dual 12-Bit, 10Msps Low Power 3V ADC |
| 页数 / 页 | 24 / 1 — FEATURES. DESCRIPTIO. Integrated Dual 12-Bit ADCs. Sample Rate: 10Msps. … |
| 文件格式/大小 | PDF / 776 Kb |
| 文件语言 | 英语 |
FEATURES. DESCRIPTIO. Integrated Dual 12-Bit ADCs. Sample Rate: 10Msps. Single 3V Supply (2.7V to 3.4V). Low Power: 120mW
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LTC2290 Dual 12-Bit, 10Msps Low Power 3V ADC
U FEATURES DESCRIPTIO
■
Integrated Dual 12-Bit ADCs
The LTC®2290 is a 12-bit 10Msps, low power dual 3V ■
Sample Rate: 10Msps
A/D converter designed for digitizing high frequency, wide ■
Single 3V Supply (2.7V to 3.4V)
dynamic range signals. The LTC2290 is perfect for ■
Low Power: 120mW
demanding imaging and communications applications ■
71.3dB SNR
with AC performance that includes 71.3dB SNR and 90dB ■
90dB SFDR
SFDR for signals well beyond the Nyquist frequency. ■ 110dB Channel Isolation DC specs include ±0.3LSB INL (typ), ±0.15LSB DNL (typ) ■ Multiplexed or Separate Data Bus ■ and no missing codes over temperature. The transition Flexible Input: 1VP-P to 2VP-P Range ■ 575MHz Full Power Bandwidth S/H noise is a low 0.25LSBRMS. ■ Clock Duty Cycle Stabilizer A single 3V supply allows low power operation. A separate ■ Shutdown and Nap Modes output supply allows the outputs to drive 0.5V to 3.6V ■ Pin Compatible Family logic. An optional multiplexer allows both channels to 105Msps: LTC2282 (12-Bit), LTC2284 (14-Bit) share a digital output bus. 80Msps: LTC2294 (12-Bit), LTC2299 (14-Bit) 65Msps: LTC2293 (12-Bit), LTC2298 (14-Bit) A single-ended CLK input controls converter operation. 40Msps: LTC2292 (12-Bit), LTC2297 (14-Bit) An optional clock duty cycle stabilizer allows high perfor- 25Msps: LTC2291 (12-Bit), LTC2296 (14-Bit) mance at full speed for a wide range of clock duty cycles. , LTC and LT are registered trademarks of Linear Technology Corporation. 10Msps: LTC2290 (12-Bit), LTC2295 (14-Bit) All other trademarks are the property of their respective owners. ■ 64-Pin (9mm × 9mm) QFN Package
U APPLICATIO S
■ Wireless and Wired Broadband Communication ■ Imaging Systems ■ Spectral Analysis ■ Portable Instrumentation
U TYPICAL APPLICATIO Typical INL, 2V Range
OV 1.0 + DD 12-BIT ANALOG INPUT 0.8 PIPELINED D11A INPUT A S/H OUTPUT • ADC CORE • • 0.6 – DRIVERS D0A 0.4 OGND 0.2 0 CLK A CLOCK/DUTY CYCLE CONTROL –0.2 INL ERROR (LSB) MUX –0.4 CLK B CLOCK/DUTY CYCLE –0.6 CONTROL –0.8 OV –1.0 DD 0 1024 2048 3072 4096 D11B CODE + OUTPUT • 12-BIT • ANALOG • 2290 TA01 INPUT DRIVERS PIPELINED INPUT B D0B S/H ADC CORE – OGND 2295 TA01 2290fa 1
U FEATURES DESCRIPTIO
■
Integrated Dual 12-Bit ADCs
The LTC®2290 is a 12-bit 10Msps, low power dual 3V ■
Sample Rate: 10Msps
A/D converter designed for digitizing high frequency, wide ■
Single 3V Supply (2.7V to 3.4V)
dynamic range signals. The LTC2290 is perfect for ■
Low Power: 120mW
demanding imaging and communications applications ■
71.3dB SNR
with AC performance that includes 71.3dB SNR and 90dB ■
90dB SFDR
SFDR for signals well beyond the Nyquist frequency. ■ 110dB Channel Isolation DC specs include ±0.3LSB INL (typ), ±0.15LSB DNL (typ) ■ Multiplexed or Separate Data Bus ■ and no missing codes over temperature. The transition Flexible Input: 1VP-P to 2VP-P Range ■ 575MHz Full Power Bandwidth S/H noise is a low 0.25LSBRMS. ■ Clock Duty Cycle Stabilizer A single 3V supply allows low power operation. A separate ■ Shutdown and Nap Modes output supply allows the outputs to drive 0.5V to 3.6V ■ Pin Compatible Family logic. An optional multiplexer allows both channels to 105Msps: LTC2282 (12-Bit), LTC2284 (14-Bit) share a digital output bus. 80Msps: LTC2294 (12-Bit), LTC2299 (14-Bit) 65Msps: LTC2293 (12-Bit), LTC2298 (14-Bit) A single-ended CLK input controls converter operation. 40Msps: LTC2292 (12-Bit), LTC2297 (14-Bit) An optional clock duty cycle stabilizer allows high perfor- 25Msps: LTC2291 (12-Bit), LTC2296 (14-Bit) mance at full speed for a wide range of clock duty cycles. , LTC and LT are registered trademarks of Linear Technology Corporation. 10Msps: LTC2290 (12-Bit), LTC2295 (14-Bit) All other trademarks are the property of their respective owners. ■ 64-Pin (9mm × 9mm) QFN Package
U APPLICATIO S
■ Wireless and Wired Broadband Communication ■ Imaging Systems ■ Spectral Analysis ■ Portable Instrumentation
U TYPICAL APPLICATIO Typical INL, 2V Range
OV 1.0 + DD 12-BIT ANALOG INPUT 0.8 PIPELINED D11A INPUT A S/H OUTPUT • ADC CORE • • 0.6 – DRIVERS D0A 0.4 OGND 0.2 0 CLK A CLOCK/DUTY CYCLE CONTROL –0.2 INL ERROR (LSB) MUX –0.4 CLK B CLOCK/DUTY CYCLE –0.6 CONTROL –0.8 OV –1.0 DD 0 1024 2048 3072 4096 D11B CODE + OUTPUT • 12-BIT • ANALOG • 2290 TA01 INPUT DRIVERS PIPELINED INPUT B D0B S/H ADC CORE – OGND 2295 TA01 2290fa 1