Datasheet LTC2295 (Analog Devices)
| Hersteller | Analog Devices |
| Beschreibung | Dual 14-Bit, 10Msps Low Power 3V ADC |
| Seiten / Seite | 24 / 1 — FEATURES. DESCRIPTIO. Integrated Dual 14-Bit ADCs. Sample Rate: 10Msps. … |
| Dateiformat / Größe | PDF / 693 Kb |
| Dokumentensprache | Englisch |
FEATURES. DESCRIPTIO. Integrated Dual 14-Bit ADCs. Sample Rate: 10Msps. Single 3V Supply (2.7V to 3.4V). Low Power: 120mW
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LTC2295 Dual 14-Bit, 10Msps Low Power 3V ADC
U FEATURES DESCRIPTIO
■
Integrated Dual 14-Bit ADCs
The LTC®2295 is a 14-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 LTC2295 is perfect for ■
Low Power: 120mW
demanding imaging and communications applications ■
74.4dB SNR
with AC performance that includes 74.4dB SNR and 90dB ■
90dB SFDR
SFDR for signals well beyond the Nyquist frequency. ■ 110dB Channel Isolation DC specs include ±1.2LSB INL (typ), ±0.5LSB DNL (typ) ■ Multiplexed or Separate Data Bus and no missing codes over temperature. The transition ■ Flexible Input: 1VP-P to 2VP-P Range noise is a low 1LSB ■ 575MHz Full Power Bandwidth S/H RMS. ■ 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) A single-ended CLK input controls converter operation. An 65Msps: LTC2293 (12-Bit), LTC2298 (14-Bit) optional clock duty cycle stabilizer allows high perfor- 40Msps: LTC2292 (12-Bit), LTC2297 (14-Bit) mance at full speed for a wide range of clock duty cycles. 25Msps: LTC2291 (12-Bit), LTC2296 (14-Bit) , 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
OVDD 2.0 + 14-BIT ANALOG INPUT PIPELINED D13A 1.5 INPUT A S/H OUTPUT • ADC CORE • – DRIVERS • D0A 1.0 OGND 0.5 0 CLK A CLOCK/DUTY CYCLE CONTROL –0.5 INL ERROR (LSB) MUX –1.0 CLK B CLOCK/DUTY CYCLE CONTROL –1.5 OVDD –2.0 0 4096 8192 12288 16384 D13B + CODE OUTPUT • 14-BIT • ANALOG • INPUT DRIVERS 2295 G02 PIPELINED INPUT B D0B S/H ADC CORE – OGND 2295 TA01 2295fa 1
U FEATURES DESCRIPTIO
■
Integrated Dual 14-Bit ADCs
The LTC®2295 is a 14-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 LTC2295 is perfect for ■
Low Power: 120mW
demanding imaging and communications applications ■
74.4dB SNR
with AC performance that includes 74.4dB SNR and 90dB ■
90dB SFDR
SFDR for signals well beyond the Nyquist frequency. ■ 110dB Channel Isolation DC specs include ±1.2LSB INL (typ), ±0.5LSB DNL (typ) ■ Multiplexed or Separate Data Bus and no missing codes over temperature. The transition ■ Flexible Input: 1VP-P to 2VP-P Range noise is a low 1LSB ■ 575MHz Full Power Bandwidth S/H RMS. ■ 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) A single-ended CLK input controls converter operation. An 65Msps: LTC2293 (12-Bit), LTC2298 (14-Bit) optional clock duty cycle stabilizer allows high perfor- 40Msps: LTC2292 (12-Bit), LTC2297 (14-Bit) mance at full speed for a wide range of clock duty cycles. 25Msps: LTC2291 (12-Bit), LTC2296 (14-Bit) , 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
OVDD 2.0 + 14-BIT ANALOG INPUT PIPELINED D13A 1.5 INPUT A S/H OUTPUT • ADC CORE • – DRIVERS • D0A 1.0 OGND 0.5 0 CLK A CLOCK/DUTY CYCLE CONTROL –0.5 INL ERROR (LSB) MUX –1.0 CLK B CLOCK/DUTY CYCLE CONTROL –1.5 OVDD –2.0 0 4096 8192 12288 16384 D13B + CODE OUTPUT • 14-BIT • ANALOG • INPUT DRIVERS 2295 G02 PIPELINED INPUT B D0B S/H ADC CORE – OGND 2295 TA01 2295fa 1