Hi ,

I Have a question about enable ADN8834.

I put a TEC of 2,5Ohm resistor between TEC_P & TEC_N.

I control the ADN8834 with a DAC by default 1,25 V so output it's 0V.

But when I enable the ADN8834 by EN/SY ( all V power, V ref are good) I have…

I have a question on the Vout2. What  is the voltage on  Vout2 when the object temperature equals to the target temperature? It is described on Page 19 on the Datasheet.

Vout2 = Vtempset - (Z2/Z1)(Vout1 - Vtempset)

When the object temperature equals to…

Dear Sir/Madam,

I have a question about ADN8834, in the Datasheet there is a typical application circuit on Page 14, as shown below

I want to know what the function of the two resistors.  What is the meaning that get the Vref/2? If I would like to contol the temprature…

Hi 

I tested ADN8834.

I set IN2P 0 to 3.3V and out2 changed 0 to 2.5V (out1 only 3.3V)

but LDR and SFB is strange

this is my result.

(TEC+ = LDR,  TEC- = SFB)

why SFB is not bigger then LDR?

This is my schematic. 

Thank you for reading. and…

Hi,

I am using AND8834 for a TEC module, and I have two questions ( forgive my English, I am Chinese) :

1) Based on formulas given in DS, I have following conclusions:

     Vout2 = Vtempset - Z2 / Z1 ( Vout1 - Vtempset )

     Vtec = VLDR - VSFB = - 5 ( Vout2…

Hi

My custmer try to use ADN8834.

The TEC voltage and the upper limit of the electric current are being designed by 1.0V/1.5A respectively.

In DS, Recommended Inductors

My custmer try to use ,

Vender:TDK

Value:2.2uH ±30%　2.62A（Typ）

Device No…

Hallo,

are the two chopper stabilized amplifers inside the ADN8834 on while the chip is in standby. I plan implementing a digital control loop arournd the AD8834. It want to use one of the amplifiers for buffering the voltage across the thermistor. But…