Product Descriptions
The AD5625R/AD5645R/AD5665R and AD5625/AD5665 members of the nanoDAC? family are low power, quad, 12-/ 14-/16-bit, buffered voltage-out DACs with/without an on-chip reference. All devices operate from a single 2.7 V to 5.5 V supply, are guaranteed monotonic by design, and have an I2C-compatible serial interface.
The AD5625R/AD5645R/AD5665R have an on-chip reference.
The LFCSP versions of the AD5625R/AD5645R/AD5665R have a 1.25 V or 2.5 V, 10 ppm/°C reference, giving a full-scale output range of 2.5 V or 5 V; the TSSOP versions of the AD5625R/ AD5645R/AD5665R have a 2.5 V, 5 ppm/°C reference, giving a full-scale output range of 5 V. The WLCSP has a 1.25 V reference.
The on-chip reference is off at power-up, allowing the use of an external reference. The internal reference is enabled via a software write. The AD5625/AD5665 require an external reference voltage to set the output range of the DAC.
The device incorporates a power-on reset circuit that ensures that the DAC output powers up to 0 V (POR = GND) or midscale (POR = VDD) and remains there until a valid write occurs. The on-chip precision output amplifier enables rail-to-rail output swing.
Product Features
? Low power, smallest pin-compatible, quad nanoDACs
? AD5625R/AD5645R/AD5665R
- 12-/14-/16-bit nanoDACs
- On-chip, 2.5 V, 5 ppm/°C reference in TSSOP
- On-chip, 2.5 V, 10 ppm/°C reference in LFCSP
- On-chip, 1.25 V, 10 ppm/°C reference in LFCSP
? AD5625/AD5665
- 12-/16-bit nanoDACs
- External reference only
? 3 mm × 3 mm, 10-lead LFCSP; 14-lead TSSOP; and 1.665 mm × 2.245 mm, 12-ball WLCSP
? 2.7 V to 5.5 V power supply
? Guaranteed monotonic by design
? Power-on reset to zero scale/midscale
? Per channel power-down
? Hardware LDAC and CLR functions
? I2C-compatible serial interface supports standard (100 kHz), fast (400 kHz), and high speed (3.4 MHz) modes
Product Applications
? Process control
? Data acquisition systems
? Portable battery-powered instruments
? Digital gain and offset adjustment
? Programmable voltage and current sources
? Programmable attenuators
Specifications
| Attribute | Attribute value |
| ANSM-Part# | ANSM-AD5625RBRUZ-2 |
| Category | Integrated Circuits (ICs) |
| Data Acquisition | |
| Digital to Analog Converters (DAC) | |
| Mfr | Original |
| Series | nanoDAC? |
| Package | Tube |
| Product Status | Active |
| DigiKey Programmable | Not Verified |
| Number of Bits | 12 |
| Number of D/A Converters | 4 |
| Settling Time | 4.5μs |
| Output Type | Voltage - Buffered |
| Differential Output | No |
| Data Interface | I2C |
| Reference Type | External, Internal |
| Voltage - Supply, Analog | 2.7V ~ 5.5V |
| Voltage - Supply, Digital | 2.7V ~ 5.5V |
| INL/DNL (LSB) | ±0.5, ±0.25 (Max) |
| Architecture | String DAC |
| Operating Temperature | -40°C ~ 105°C |
| Package / Case | 14-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 14-TSSOP |
| Mounting Type | Surface Mount |
| Base Product Number | AD5625 |
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